R5460x2xx SERIES
Li-ION/POLYMER 2-CELL PROTECTOR
NO.EA-165-160603
OUTLINE
The R5460x2xxxx Series are high voltage CMOS-based protection ICs for over-charge/discharge of rechargeable two-cell
Lithium-ion (Li+) / Lithium polymer, further include a short circuit protection circuit for preventing large external short circuit
current and the protection circuits against the excess discharge-current and excess charge current.
Each of these ICs is composed of six voltage detectors, a reference unit, a delay circuit, a short circuit protector, an oscillator,
a counter, and a logic circuit. When the over-charge voltage threshold or excess-charge current threshold crosses the each
detector threshold from a low value to a high value, the output of COUT pin switches to “L” level after internal fixed delay time.
To release over-charge detector after detecting over-charge, the detector can be reset and the output of COUT becomes "H"
when a kind of load is connected to VDD after a charger is disconnected from the battery pack and the cell voltage becomes
lower than over-charge detector threshold. In case that a charger is continuously connected to the battery pack, if the cell
voltage becomes lower than the over-charge released voltage, over-charge state is also released.
The output of DOUT pin, the output of the over-discharge detector and the excess discharge-current detector, switches to “L”
level after internally fixed delay time, when discharged voltage crosses the detector threshold from a high value to a value
lower than VDET2.
The conditions to release over-discharge voltage detector after detecting over-discharge voltage are as follows:
A/D versions: after connecting a charger, when the cell voltage becomes higher than over-discharge detector threshold or,
without connecting charger, when the cell voltage becomes equal or higher than over-discharge released voltage.
C version: after connecting a charger, when the cell voltage becomes higher than over-discharge detector threshold voltage.
E version: whether connecting a charger, or not, when the cell voltage becomes higher than released voltage from overdischarge.
F version: after connecting a charger, when the cell voltage becomes higher than released voltage from over-discharge.
In case that connecting a charger, for A/C/D versions, there is no hysteresis for over-discharge detector. E/F versions, even if
a charger is connected to the battery pack, the hysteresis of over-discharge detector exists.
To satisfy the release conditions for over-discharge voltage protector, the output voltage of DOUT becomes "H".
Even if a battery is discharged to 0V, charge current is acceptable.
After detecting excess-discharge current or short current, when the load is disconnected, the excess discharged or short
condition is released and DOUT becomes “H”.
After detecting over-discharge voltage, supply current will be kept extremely low by halting internal circuits' operation.
When the output of COUT is “H”, if V- pin level is set at -1.6V, the delay time of over-charge and over-discharge detector can be
shortened. Especially, the delay time of the over-charge detector can be reduced into approximately 1/60 and test time for
protection circuit PCB can be reduced. The output type of COUT and DOUT is CMOS.
1
R5460x2xx
NO.EA-165-160603
FEATURES
Manufactured with High Voltage Tolerant Process................... Absolute Maximum Rating
30V
Low supply current ................................................... Supply current (At normal mode)
Standby current
Typ. 4.0µA
Typ. 1.2µA (A/ D/ E version)
Max. 0.1A (C/ F version)
High accuracy detector threshold ............................. Over-charge detector
(Ta=25°C)
±25mV
(Ta=-5 to 55°C)
±30mV
Over-discharge detector
±2.5%
Excess discharge-current detector
±15mV
Excess charge-current detector
±40mV
Variety of detector threshold
Over-charge detector threshold (A/C/E/F version)
4.1V-4.5V step of 0.005V (VD1U/VD1L)
Over-charge detector threshold (D version)
3.5V-4.0V step of 0.005V (VD1U/VD1L)
Over-discharge detector threshold
2.0V-3.0V step of 0.005V (VD2U/VD2L)
Excess discharge-current threshold
0.05V-0.20V step of 0.005V
3 options of Excess charge-current threshold
(1) -0.4V 40mV
(2) -0.2V 30mV
(3) -0.1V 30mV
Over-charge released voltage
0.1V-0.4V step of 0.05V (VH1U/VH1L)
Over-discharge released voltage
0.2V-0.7V step of 0.1V (VH2U/VH2L)
Internal fixed Output delay time ............................... Over-charge detector Output Delay
1.0s
Over-discharge detector Output Delay
128ms
Excess discharge-current detector Output Delay
12ms
Excess charge-current detector Output Delay
8ms
Short Circuit detector Output Delay
300µs
Output Delay Time Shortening Function.................. At COUT is “H”, if V- level is set at –1.6V, the Output Delay time of detect
the over-charge and over-discharge can be reduced. (Delay Time for
over-charge becomes about 1/60 of normal state.)
0V-battery charge ..................................................... acceptable
Ultra Small package ................................................. SOT-23-6, DFN(PLP)1820-6
APPLICATIONS
Li+ / Li Polymer protector of over-charge, over-discharge, excess-current for battery pack
High precision protectors for cell-phones and any other gadgets using on board Li+ / Li Polymer battery
2
R5460x2xx
NO.EA-165-160603
BLOCK DIAGRAMS
A/D/E/F version
VDD
DS Circuit
VD1U
Ｏscillator
Counter
Level
Shift
Logic
Circuit
Delay
VD2U
Short
Detector
Vc
VD4
VD1L
VD2L
Logic
Circuit
VD3
VSS
DOUT
COUT
V-
C version
VDD
DS Circuit
VD1U
Ｏscillator
Counter
Level
Shift
Logic
Circuit
Delay
VD2U
Short
Detector
Vc
VD4
VD1L
VD2L
VSS
Logic
Circuit
VD3
DOUT
COUT
V-
3
R5460x2xx
NO.EA-165-160603
SELECTION GUIDE
In the R5460x2xxxx Series, input threshold of over-charge, over-discharge, excess discharge current, and the package and
taping can be designated.
Part Number is designated as follows:
R5460x2xxxx-xx Part Number
a b cd e
Code
Contents
a
Package Type
N: SOT-23-6
K: DFN(PLP)1820-6
Serial Number for the R5460 Series designating input threshold for over-charge, over-discharge,
b
excess discharge-current detectors.
c
Designation of Output delay option of over-charge and excess discharge-current.
d
Designation of version symbols.
e
Taping Type: TR (refer to Taping Specification)
PIN CONFIGURATIONS
SOT-23-6
6
5
DFN(PLP)1820-6
4
6
mark side
1
4
2
5
4
mark side
3
1
2
3
R5460x2xx
NO.EA-165-160603
PIN DESCRIPTION
Pin No.
Symbol
Description
SOT-23-6
PLP1820-6
1
3
DOUT
Output pin of over-discharge detection, CMOS output
2
1
COUT
Output pin of over-charge detection, CMOS output
3
2
V-
Charger negative Input Pin
4
6
VC
Input Pin of the center voltage between two-cell
5
5
VDD
Power supply pin, the substrate voltage level of the IC.
6
4
VSS
VSS pin. Ground pin for the IC
The backside tab of DFN(PLP)1820-6 package is connected to the substrate level. (VDD) Note that avoiding
short with other level.
ABSOLUTE MAXIMUM RATINGS
Ta=25C, Vss=0V
Item
Supply Voltage
Symbol
VDD
Ratings
-0.3
Unit
to 12
V
Input Voltage
Middle pin Voltage between 2-cell
V- pin Voltage
Vc
V-
Vss-0.3 to VDD+0.3
V
VDD-30 to VDD+0.3
V
VDD-30 to VDD+0.3
V
Vss-0.3 to VDD+0.3
V
150
mW
Output Voltage
COUT pin Voltage
DOUT pin Voltage
Power Dissipation
Operating Temperature
Storage Temperature
VCOUT
VDOUT
PD
Ta
Tstg
-40
to
85
C
-55
to
125
C
*Note: Exposure to the condition exceeded Absolute Maximum Ratings may cause the permanent
damages and affects the reliability and safety of both device and systems using the device.
The functional operations cannot be guaranteed beyond specified values in the recommended
conditions.
5
R5460x2xx
NO.EA-165-160603
ELECTRICAL CHARACTERISTICS
R5460x2xxAA/AD/AE version
Unless otherwise specified, Ta=25°C
Symbol Item
VDD1
Operating input voltage
Minimum operating Voltage for 0V
Vst
charging
VDET1U
CELL1 Over-charge threshold
VREL1U
CELL1 Over-charge released voltage
tVDET1
tVREL1
VDET1L
VREL1L
VDET2U
VREL2U
tVDET2
tVREL2
VDET2L
VREL2L
VDET3
tVDET3
tVREL3
Conditions
Min.
Voltage defined as VDD-VSS
1.5
Voltage defined as VDD-VVDD-VSS=0V
Detect rising edge of supply voltage
R1=330
VDET1U-0.025
VDET1U-0.030
R1=330 (Ta=-5 to 55°C)*Note
VDET1U VDET1U+0.025
VDET1U VDET1U+0.030
V
V
R1=330
VREL1U-0.05
VREL1U
VREL1U+0.05
V
0.7
1.0
1.3
s
11
16
21
ms
VDD=3.2V to 4.5V,
VC-VSS=3.2V
Output delay of release from over-charge VDD=4.5V to 3.2V, VC-VSS=3.2V
Detect rising edge of supply voltage
CELL2 Over-charge detector threshold
R2=330
R2=330 (Ta=-5 to 55°C)*Note
CELL2 Over-charge released voltage
R2=330
Detect falling edge of supply
CELL1 Over-discharge threshold
voltage
CELL1 Released Voltage from OverDetect rising edge of supply voltage
discharge
VDD-VC=3.2V to 1.9V VCOutput delay of over-discharge
VSS=3.2V
Output delay of release from overVDD-VC=1.9V to 3.2V, VCdischarge
VSS=3.2V
CELL2 Over-discharge threshold
Detect falling edge of supply voltage
CELL2 Released Voltage from OverDetect rising edge of supply voltage
discharge
Excess discharge-current threshold
Detect rising edge of 'V-' pin voltage
VDD-VC=VC-VSS=3.2V,
Output delay of excess discharge
V-=0V to 0.5V
current
Output delay of release from
VDD-VC=VC-VSS=3.2V,
V-=3V to 0V
excess discharge-current
Output delay of over-charge
VDET4 Excess charge-current threshold
Detect falling edge of 'V-' pin voltage
tVDET4 Output delay of excess charge-current VDD-VC=VC-VSS=3.2V, V-=0V to -1V
Output delay of release from excess
VDD-VC=VC-VSS=3.2V,
tVREL4
V-=-1V to 0V
charge-current
Vshort Short protection voltage
VDD-VC=VC-VSS=3.2V
VDD-VC=VC-VSS=3.2V,
tshort Output Delay of Short protection
V-=0V to 6.4V
Reset resistance for Excess
Rshort
VDD-VC=VC-VSS=3.2V, V-=1V
discharge-current protection
VDS
Delay Shortening Mode input voltage VDD-VC=VC-VSS=4.0V
IOL=50µA,
VOL1 Nch ON voltage of COUT
VDD-VC=VC-VSS=4.5V
IOH=-50µA,
VOH1 Pch ON voltage of COUT
VDD-VC=VC-VSS=3.2V
IOL=50µA,
VOL2 Nch ON voltage of DOUT
VDD-VC=VC-VSS=1.9V
VDD-VC=VCIOH=-50µA,
VOH2 Pch ON voltage of DOUT
VSS=3.2V
VDD-VC=VC-VSS=3.2V,
IDD
Supply current
V-=0V
IS
Standby current
VDD-VC=VC-VSS=1.9V
Typ.
Max.
10.0
1.8
Unit
V
V
VDET1L-0.025
VDET1L-0.030
VREL1L-0.05
VDET1L VDET1L+0.025
VDET1L VDET1L+0.030
VREL1L VREL1L+0.05
V
V
V
VDET2U0.975
VDET2U VDET2U1.025
V
VREL2U0.975
VREL2U VREL2U1.025
V
89
128
167
ms
0.7
1.2
1.7
ms
VDET2L0.975
VDET2L VDET2L1.025
V
VREL2L0.975
VREL2L
VREL2L1.025
V
VDET3-0.015
VDET3
VDET3+0.015
V
8
12
16
ms
0.7
1.2
1.7
ms
-0.44
-0.23
-0.13
5
-0.40
-0.20
-0.10
8
-0.36
-0.17
-0.07
11
ms
0.7
1.2
1.7
ms
0.7
1.1
1.5
V
150
300
500
µs
25
40
75
k
-2.2
-1.6
-1.0
V
0.4
0.5
V
6.8
7.4
0.2
6.8
V
V
0.5
7.4
V
V
4.0
8.0
µA
1.2
2.0
µA
*Note: We compensate for this characteristic related to temperature by laser-trim, however, this specification is guaranteed by design, not
production tested.
6
R5460x2xx
NO.EA-165-160603
R5460x2xxAC version
Unless otherwise specified, Ta=25°C
Symbol
Item
VDD1 Operating input voltage
Vst
Minimum operating Voltage for 0V
charging
Output delay of release from overdischarge
CELL2 Over-discharge threshold
Excess discharge-current threshold
Output delay of excess discharge
current
Output delay of release from
excess discharge-current
Excess charge-current threshold
Detect falling edge of 'V-' pin voltage
VREL1U CELL1 Over-charge released voltage
tVDET1 Output delay of over-charge
tVREL1 Output delay of release from over-charge
VDET1L CELL2 Over-charge detector threshold
VREL1L CELL2 Over-charge released voltage
VDET2U CELL1 Over-discharge threshold
tVDET2 Output delay of over-discharge
VDET2L
VDET3
tVDET3
tVREL3
VDET4
tVDET4 Output delay of excess charge-current
Output delay of release from excess
charge-current
Vshort Short protection voltage
tVREL4
tshort Output Delay of Short protection
VDS
VOL1
VOH1
VOL2
Reset resistance for Excess
discharge-current protection
Delay Shortening Mode input voltage
Nch ON voltage of COUT
Pch ON voltage of COUT
Nch ON voltage of DOUT
VOH2
Pch ON voltage of DOUT
IDD
IS
Supply current
Standby current
Rshort
Min.
1.50
Typ.
Voltage defined as VDD-V-
VDD-VSS=0V
Detect rising edge of supply voltage
R1=330
R1=330 (Ta=-5 to 55°C)*Note
R1=330
VDD=3.2V to 4.5V, VC-VSS=3.2V
VDD=4.5V to 3.2V, VC-VSS=3.2V
Detect rising edge of supply voltage
R2=330
R2=330 (Ta=-5 to 5°C)*Note
R2=330
Detect falling edge of supply voltage
VDD-VC=3.2V to 1.9V VCVSS=3.2V
VDD-VC=1.9V to 3.2V VCVSS=3.2V
Detect falling edge of supply voltage
Detect rising edge of 'V-' pin voltage
VDD-VC=VC-VSS=3.2V,
V-=0V to 0.5V
VDD-VC=VC-VSS=3.2V,
V-=3V to 0V
VDET1U CELL1 Over-charge threshold
tVREL2
Conditions
Voltage defined as VDD-VSS
VDD-VC=VC-VSS=3.2V, V-=0V to 1V
VDD-VC=VC-VSS=3.2V,
V-=-1V to 0V
VDD-VC=VC-VSS=3.2V
VDD-VC=VC-VSS=3.2V,
V-=0V to 6.4V
VDD-VCC=VC-VSS=3.2V, V-=1V
VDD-VC=VC-VSS=4.0V
IOL=50µA VDD-VC=VC-VSS=4.5V
IOH=-50µA VDD-VC=VC-VSS=3.2V
IOL=50µA VDD-VC=VC-VSS=1.9V
IOH=-50µA, VDD-VC=VCVSS=3.2V
VDD-VC=VC-VSS=3.2V, V-=0V
VDD-VC=VC-VSS=1.9V
Max.
10.0
Unit
V
1.8
V
VDET1U-0.025
VDET1U-0.030
VREL1U-0.05
0.7
11
VDET1U VDET1U+0.025
VDET1U VDET1U+0.030
VREL1U VREL1U+0.05
1.0
1.3
16
21
VDET1L-0.025
VDET1L-0.030
VREL1L-0.050
VDET2U0.975
VDET1L
VDET1L
VREL1L
VDET2U
VDET1L+0.025
VDET1L+0.030
VREL1L+0.050
VDET2U1.025
V
V
V
V
89
128
167
ms
0.7
1.2
1.7
ms
VDET2L0.975
VDET3-0.015
VDET2L VDET2L1.025
VDET3 VDET3+0.015
V
V
V
s
ms
V
V
8
12
16
ms
0.7
1.2
1.7
ms
-0.44
-0.23
-0.13
-0.40
-0.20
-0.10
-0.36
-0.17
-0.07
V
5
8
11
ms
0.7
1.2
1.7
ms
0.7
1.1
1.5
V
150
300
500
µs
25
40
75
k
-2.2
-1.6
0.4
7.4
0.2
-1.0
0.5
V
V
V
V
6.8
6.8
0.5
7.4
4.0
V
8.0
0.1
µA
µA
*Note: We compensate for this characteristic related to temperature by laser-trim, however, this specification is guaranteed by design, not
production tested.
7
R5460x2xx
NO.EA-165-160603
R5460x2xxAF version
Unless otherwise specified, Ta=25°C
Symbol
VDD1
Item
Min.
Typ.
10.0
1.8
V
VREL1U CELL1 Over-charge released voltage
tVDET1 Output delay of over-charge
VDD=3.2V to 4.5V, VC-VSS=3.2V
0.7
1.0
1.3
s
VDD=4.5V to 3.2V, VC-VSS=3.2V
11
16
21
m
s
VDET1L+0.025
VDET1L+0.030
VREL1L+0.050
VDET2U1.025
V
V
V
V
VREL2U
VREL2U1.025
V
128
167
VDET1U
tVREL1
CELL1 Over-charge threshold
Output delay of release from overcharge
VDET1L CELL2 Over-charge detector threshold
VREL1L CELL2 Over-charge released voltage
VDET2U CELL1 Over-discharge threshold
CELL1 Released Voltage from OverVREL2U
discharge
tVDET2 Output delay of over-discharge
tVREL2
VDET2L
VREL2L
VDET3
tVDET3
tVREL3
VDET4
Detect rising edge of supply voltage
R2=330
R2=330 (Ta=-5 to 55°C)*Note
R2=330
Detect falling edge of supply voltage
VDD-VC=3.2V to 1.9V VC89
VSS=3.2V
VDD-VC=1.9V to 3.2V VC0.7
VSS=3.2V
Detect falling edge of supply voltage VDET2L0.975
1.2
1.7
VDET2L
VDET2L1.025
m
s
m
s
V
VREL2L
VREL2L1.025
V
Detect rising edge of 'V-' pin voltage
VDD-VC=VC-VSS=3.2V,
V-=0V to 0.5V
VDD-VC=VC-VSS=3.2V,
V-=3V to 0V
VDET3-0.015
VDET3
VDET3+0.015
8
12
16
0.7
1.2
1.7
V
m
s
m
s
Excess charge-current threshold
Detect falling edge of 'V-' pin voltage
-0.44
-0.23
-0.13
-0.40
-0.20
-0.10
-0.36
-0.17
-0.07
V
5
8
11
m
s
0.7
1.2
1.7
m
s
0.7
1.1
1.5
V
150
300
500
µs
VDD-VC=VC-VSS=3.2V, V-=1V
25
40
75
k
VDD-VC=VC-VSS=4.0V
IOL=50µA VDD-VC=VC-VSS=4.5V
IOH=-50µA VDD-VC=VC-VSS=3.2V
IOL=50µA VDD-VC=VC-VSS=1.9V
IOH=-50µA, VDD-VC=VCVSS=3.2V
VDD-VC=VC-VSS=3.2V V-=0V
VDD-VC=VC-VSS=1.9V
-2.2
-1.6
0.4
7.4
0.2
-1.0
0.5
V
V
V
V
Output delay of release from excess
charge-current
Reset resistance for Excess
discharge-current protection
Delay Shortening Mode input voltage
Nch ON voltage of COUT
Pch ON voltage of COUT
Nch ON voltage of DOUT
VOH2 Pch ON voltage of DOUT
IDD
IS
VDET1L-0.025 VDET1L
VDET1L-0.030 VDET1L
VREL1L-0.050 VREL1L
VDET2U0.975 VDET2U
V
V
V
Detect rising edge of supply voltage VREL2L0.975
tshort Output Delay of Short protection
VDS
VOL1
VOH1
VOL2
VDET1U VDET1U+0.025V
VDET1U DET1U+0.030
VREL1U VREL1U+0.05
Output delay of release from overdischarge
CELL2 Over-discharge threshold
CELL2 Released Voltage from Overdischarge
Excess discharge-current threshold
Output delay of excess discharge
current
Output delay of release from
excess discharge-current
Vshort Short protection voltage
Rshort
VDET1U-0.025
VDET1U-0.030
VREL1U-0.05
Detect rising edge of supply voltage VREL2U0.975
tVDET4 Output delay of excess charge-current VDD-VC=VC-VSS=3.2V, V-=0V to -1V
tVREL4
1.5
Uni
t
V
Max.
Voltage defined as VDD-VSS
Voltage defined as VDD-VVDD-VSS=0V
Detect rising edge of supply voltage
R1=330
R1=330 (Ta=-5 to 55°C)*Note
R1=330
Vst
Operating input voltage
Minimum operating Voltage for 0V
charging
Conditions
Supply current
Standby current
VDD-VC=VC-VSS=3.2V,
V-=-1V to 0V
VDD-VC=VC-VSS=3.2V
VDD-VC=VC-VSS=3.2V,
V-=0V to 6.4VV
6.8
6.8
0.5
7.4
4.0
V
8.0
0.1
µA
µA
*Note: We compensate for this characteristic related to temperature by laser-trim, however, this specification is guaranteed by design, not
production tested.
8
R5460x2xx
NO.EA-165-160603
OPERATION
VDET1U, VDET1L / Over-Charge Detectors
The VDET1U and VDET1L monitor the voltage between VDD pin and VC pin (the voltage of Cell1) and the voltage between VC pin
and VSS pin (the voltage of Cell2), if either voltage becomes equal or more than the over-charge detector threshold, the overcharge is detected, and an external charge control Nch MOSFET turns off with COUT pin being at "L" level.
VDET1U is the detector of Cell1, and the VDET1L is the detector of Cell2.
To reset the over-charge and make the COUT pin level to "H" again after detecting over-charge, in such conditions that a time
when the both Cell1 and Cell2 are down to a level lower than over-charge voltage, by connecting a kind of load to VDD after
disconnecting a charger from the battery pack. Then, the output voltage of COUT pin becomes "H" and it makes an external
Nch MOSFET turn on, and charge cycle is available. In case of the charger is continuously connected and over-charge is
detected, both battery voltages of Cell1 and Cell2 become lower than the released voltage from over-charge, charge becomes
possible. Therefore there is a specific hysteresis for over-charge detectors. To judge whether or not load is connected, the
built-in excess-discharge current detector is used. By connecting some load, V- pin voltage becomes equal or more than
excess-discharge current detector threshold, and reset the over-charge detecting state.
Further, either or both voltage of Cell1 and Cell2 is higher than the over-charge detector threshold, if a charger is removed
and some load is connected, COUT outputs “L”, however, load current can flow through the parasitic diode of the external charge
control Nch MOSFET. After that, when both voltages of Cell1 and Cell2 become lower than the over-charge detector threshold,
COUT becomes “H”.
Internal fixed output delay times for over-charge detection and release from over-charge exist. If either or both of the voltage
of Cell1 or Cell2 keeps its level more than the over-charge detector threshold, and output delay time passes, over-charge
voltage is detected. Even when the voltage of Cell1 or Cell2 pin level becomes equal or higher level than VDET1 if these voltages
would be back to a level lower than the over-charge detector threshold within a time period of the output delay time, the overcharge is not detected. Besides, after detecting over-charge, while the both of Cell1 and Cell2 voltages are lower than the
over-charge detector threshold, even if a charger is removed and a load is connected, if the voltage is recovered within output
delay time of release from over-charge, over-charge state is not released.
A level shifter incorporated in a buffer driver for the COUT pin makes the "L" level of COUT pin to the V - pin voltage and the "H"
level of COUT pin is set to VDD voltage with CMOS buffer.
VDET2U, VDET2L / Over-Discharge Detectors
The VDET2U and VDET2L monitor the voltage between VDD pin and VC pin (Cell1 voltage) and the voltage between VC pin and VSS
pin (Cell2 voltage). When either of the cell1 or cell2 voltage becomes equal or less than the over-discharge detector threshold,
the over-discharge is detected and discharge stops by the external discharge control Nch MOSFET turning off with the DOUT
pin being at "L" level.
The conditions to release over-discharge voltage detector after detecting over-discharge voltage are as follows:
A/D versions: after connecting a charger, when the cell voltage becomes higher than over-discharge detector threshold or,
without connecting charger, when the cell voltage becomes equal or higher than over-discharge released voltage.
C version: after connecting a charger, when the cell voltage becomes higher than over-discharge detector threshold voltage.
E version: whether connecting a charger, or not, when the cell voltage becomes higher than released voltage from overdischarge.
F version: after connecting a charger, when the cell voltage becomes higher than released voltage from over-discharge.
In case that connecting a charger, for A/C/D versions, there is no hysteresis for over-discharge detector. For E/F versions,
even if a charger is connected to the battery pack, the hysteresis of over-discharge detector exists.
When a cell voltage equals to zero, if the voltage of a charger is equal or more than 0V-charge minimum voltage (Vst), COUT
pin becomes "H" and a system is allowable to charge.
The output delay time for over-discharge detect is fixed internally. Even if either voltage of Cell1 or Cell2 is down to equal or
lower than the over-discharge detector threshold, if the both voltages of Cell1 or Cell2 would be back to a level higher than the
over-discharge detector threshold within a time period of the output delay time, the over-discharge is not detected. Output
delay time for release from over-discharge is also set.
After detecting over-discharge, supply current would be reduced and be into standby by halting unnecessary circuits and
9
R5460x2xx
NO.EA-165-160603
consumption current of the IC itself is made as small as possible.
C/F version: after detecting over-discharge, all the circuits are halted and the R5460 will be into standby mode.
Others: after detecting over-discharge, whole circuits except over-discharge released detector function are halted,
and the R5460 will be into standby mode.
The output type of DOUT pin is CMOS having "H" level of VDD and "L" level of VSS.
VDET3 /Excess discharge-current Detector, Short Circuit Protector
Both of the excess current detector and short circuit protection can work when the both of control FETs are in "ON" state.
When the V- pin voltage is up to a value between the short protection voltage (Vshort) and excess discharge-current threshold
VDET3, VDET3 operates and further soaring of V- pin voltage higher than Vshort makes the short circuit protector enabled. This
leads the external discharge control Nch MOSFET turns off with the DOUT pin being at "L" level.
An output delay time for the excess discharge-current detector is internally fixed.
A quick recovery of V- pin level from a value between Vshort and VDET3 within the delay time keeps the discharge control FET
staying "H" state. Output delay time for Release from excess discharge-current detection is also set.
When the short circuit protector is enabled, the DOUT would be "L" and the delay time is also set.
The V- pin has a built-in pull-down resistor to the VSS pin, that is, the resistance to release from excess-discharge current.
After an excess discharge-current or short circuit protection is detected, removing a cause of excess discharge-current or
external short circuit makes an external discharge control FET to an "ON" state automatically with the V- pin level being down
to the VSS level through the built-in pulled down resistor. The reset resistor of excess discharge-current is off at normal state.
Only when detecting excess discharge-current or short circuit, the resistor is on.
Output delay time of excess discharge-current is set shorter than the delay time for over-discharge detector. Therefore, if VDD
voltage would be lower than VDET2 at the same time as the excess discharge-current is detected, the R5460x is at excess
discharge-current detection mode. By disconnecting a load, VDET3 is automatically released from excess discharge-current.
VDET4/ Excess charge-current detector
When the battery pack is chargeable and discharge is also possible, VDET4 senses V- pin voltage. For example, in case that a
battery pack is charged by an inappropriate charger, an excess current flows, then the voltage of V- pin becomes equal or less
than excess charge-current detector threshold. Then, the output of COUT becomes "L", and prevents from flowing excess current
in the circuit by turning off the external Nch MOSFET.
Output delay of excess charge current is internally fixed. Even the voltage level of V- pin becomes equal or lower than the
excess charge-current detector threshold, the voltage is higher than the VDET4 threshold within the delay time, the excess
charge current is not detected. Output delay for the release from excess charge current is also set.
VDET4 can be released with disconnecting a charger and connecting a load.
DS (Delay Shorten) function
Output delay time of over-charge, over-discharge can be shorter than those setting value by forcing equal or less than the
delay shortening mode voltage to V- pin when the COUT is “H”.
Operation against 2-Cell Unbalance
A/D/E version: If one of the cells detects over-charge and the output of COUT becomes "L" and keeps the status, even if the
other cell detects over-charge or over-discharge or short, the over-charge status is maintained and the output of COUT keeps
"L". If one of the cell detects over-charge and the output of COUT becomes "L", the other cell detects over-discharge and the
former cell is released from over-charge, after the delay time of the released from over-charge, the output of COUT becomes
"H", and after the delay time of detecting over-discharge, the output of DOUT becomes "L". After detecting over-discharge, A/D/E
version halts internal unnecessary circuits and be into the standby mode. (Supply current Max. 2.0A)
C/F version: If one of the cells detects over-charge, and when the COUT becomes "L", even if the other cell would detect overdischarge or short, the over-charge detector will be dominant and COUT keeps the "L" level. If one of the cell detects the overdischarge, and when the DOUT becomes "L", in case that a charger is connected to the battery pack and the other cell detects
over-charge, the internal counter will start and after the delay time of over-discharge detector, DOUT will become "H". After the
delay time of over-charge release from when the internal counter starts, COUT will be "L". If the over-discharge is detected,
internal unnecessary circuits will be cut off and the standby mode will be realized. (Standby current Max. 0.1A)
In any versions, the external FETs do not turn off at the same time.
10
R5460x2xx
NO.EA-165-160603
TIMING CHART
(1) Timing diagram of Over-charge, Excess charge current
AA/AC/AD version
Connect Charger
Connect Load
Excess
Charge
Current
Charger Open
and Connect
Load
VDD-VC VDET1
V REL1
t
VC - VSSVDET1
V
REL1
V
DD
t
V-
VDET3
V
SS
V DET4
t
VREL1
t
V
V REL1
t
V
ＤＥＴ4
t
V
REL4
t
DD
COUT
t VDET1
t
VDET1
V-
t
Charge Current
Charge/
Discharge
Current
0
t
11
R5460x2xx
NO.EA-165-160603
AE / AF version
Connect
Load
Connect Charger
Excess
Charge
Current
Charger Open
＆ Connect Load
V
DET1U
V DD- VC
VREL1U
t
VDET1L
VC - VSS
VREL1L
t
V DD
V-
VDET3
V SS
VDET4
t
V
VREL1
t
V REL1
t VREL4
t
DD
t VDET4
C OUT
t VDET1
VCharge Current
tVDET
1
t
Charge/
Discharge
Current
0
12
t
R5460x2xx
NO.EA-165-160603
(2) Over-discharge, Excess discharge current, short circuit
AA/AD version
Connect Load
V DD-
Connect Charger
Excess
discharge
current Open
Short
Open
VC
VREL2U
VDET2U
t
VC
VSS REL2L
V
V DET2L
t
V DD
V short
V-
V DET3
V SS
V DET4
t VREL2
t
V
VREL3
t
V
t
REL2
V DD
t
DOUT
t V DET2
V
DET3
tshort
t V DET2
Vss
t
Charge Current
Charge/Discharge
Current
0
t
13
R5460x2xx
NO.EA-165-160603
AC version
Connect Load
Connect
Charger
Connect
Charger
Connect
Load
Excessdischarge
Current
Open
Short
Open
VDD- VC
V DET2
t
VC- V SS
V DET2
t
V DD
Vshort
VDET3
V-
V SS
VDET4
t
V
V
t
REL2
VREL2
t
DD
VREL3
t
VREL3 t
tshort
DOUT
t
VDET2
tV
DET2
t
V DET3
Vss
t
Charge
Current
Charge/
Discharge
Current
14
0
t
R5460x2xx
NO.EA-165-160603
AE version
Connec t
Charger
Co nnect Load
Disc harge
Current Open
ShortOp en
VDD - VCV
REL2U
VDET2U
t
VC - VSSVREL2L
VDE T2L
t
V
V-
DD
V short
V DET3
VSS
V DET4
t VREL2
tVREL2
t
VREL3
t
VREL3
t
VDD
DOUT
t
VDET2
t
VDET2
t VDET3
tshort
Vss
t
Charge Current
Charge
/Discharge 0
Current
t
15
R5460x2xx
NO.EA-165-160603
AF version
Connect Connect Load
Charger
Connect Load
Connect Charger
Excess
discharge Open
current
Short Open
VDD- VC REL2U
V
V
DET2U
t
VC - VSS
VREL2U
V
DET2L
t
V DD
V short
V-
V DET3
V SS
V
DET4
t
V
VREL2
t
tVREL3
VREL2
tVREL3
t
DD
DOUT
t
Vss
V
DET2
t
VDET2
t VDET3
tshort
ｔ
Charge
current
Charge
/Discharge
0
Current
16
ｔ
R5460x2xx
NO.EA-165-160603
(3) Operation with unbalanced cells
AC version
Connect
Load
VDD - VC
Connect
Charger
Connect Load
Connect
Charger
Open
VDET1L
VREL1L
t
VC - VSS
VDET2L
t
VDD
V-
VDET3
VSS
VDET4
t
VDD
COUT
tVDET1
tVREL1
ＶSS
t
VDD
DOUT
tVDET2
tVREL2
tVDET2
tVREL2
VSS
t
17
R5460x2xx
NO.EA-165-160603
TYPICAL APPLICATION AND TECHNICAL NOTES
R1 330Ω
C1
0.1μF
VDD
R2 330Ω
Vc
R5460
V-
C2
0.1μF
Vss
C3 0.01μF
DOUT
COUT
R3
1k Ω
TECHNICAL NOTES
R1, R2, C1 and C2 stabilize a supply voltage to the R5460xxxxxx. A recommended R1, R2 value is less than 1k.
A larger value of R1 and R2 makes the detection voltage shift higher because of some conduction current in the
R5460x2xxxx.
To stabilize the operation, the value of C1 and C2 should be equal or more than 0.01F.
R1 and R3 can operate also as parts for current limit circuit against reverse charge or applying a charger with
excess charging voltage beyond the absolute maximum rating of the R5460xxxxxx, the battery pack. Small value
of R1 and R3 may cause over-power consumption rating of power dissipation of the R5460xxxxx. Thus, the total
value of 'R1+R3' should be equal or more than 1k. If a large value R3 is set, after detecting over-discharge, the
release by connecting a charger may not be possible. Therefore, recommendation value of R3 is equal or less
than 3k.
To stabilize the operation of the IC, make sure to mount 0.01F or more capacitor as C3.
The typical application circuit diagram is just an example. This circuit performance largely depends on the PCB
layout and external components. In the actual application, fully evaluation is necessary.
Over-voltage and the over current beyond the absolute maximum rating should not be forced to the protection IC
and external components. Although the short protection circuit is built in the IC, if the positive terminal and the
negative terminal of the battery pack are short, during the delay time of short limit detector, large current flows
through the FET. Select an appropriate FET with large enough current capacity to prevent the IC from burning
damage.
We are making our continuous effort to improve the quality and reliability of our products, but semiconductor
products are likely to fail with certain probability. In order to prevent any injury to humans or damages to property
resulting from such failure, users should be careful enough to incorporate safe measures in design, such as
redundancy feature, fire-containment feature and fail-safe feature. We do not assume any liability or responsibility
for any loss or damage arising from misuse or inappropriate use of the products.
18
R5460x2xx
NO.EA-165-160603
TEST CIRCUITS
A
E
VDD
VDD
DOUT
V
VC
V-
V
DOUT
V
COUT
VSS
OSCILLOSCOPE
VSS
V-
F
B
VDD
VDD
VC
VC
V
DOUT
COUT
V-
VSS
V
V-
A
VSS
G
C
VDD
VDD
VC
VC
COUT
COUT
V
V-
VSS
V
V-
D
VSS
H
VDD
VDD
V
VC
VC
DOUT
COUT
VSS
VSS
V-
V-
A
V
19
R5460x2xx
NO.EA-165-160603
I
VDD
COUT
A
V
VC
VSS
V-
J
VDD
VC
DOUT
A
VSS
V
V-
K
VDD
DOUT
V
VC
VSS
V-
L
VDD
A
VC
VSS
20
A
V-
R5460x2xx
NO.EA-165-160603
Typical Characteristics were obtained with using those above circuits:
Test Circuit A:
Part1: Typical characteristics 1)
Test Circuit B:
Part1: Typical characteristics 2) 4) 6) 7)
Test Circuit C:
Part1: Typical characteristics 3) 5)
Test Circuit D:
Part1: Typical characteristics 8) 10) 12) 13)
Test Circuit E:
Part1: Typical characteristics 9) 11)
Test Circuit F:
Part1: Typical characteristics 14) 15) 16) 17) 18) 19)
Test Circuit G:
Part1: Typical characteristics 20) 21) 22) 23)
Test Circuit H:
Part1: Typical characteristics 24)
Test Circuit I:
Part1: Typical characteristics 25)
Test Circuit J:
Part1: Typical characteristics 26)
Test Circuit K:
Part1: Typical characteristics 27)
Test Circuit L:
Part1: Typical characteristics 28) 29) 30)
21
R5460x2xx
NO.EA-165-160603
TYPICAL CHARACTERISTICS (Part 1)
2) Over-charge voltage threshold (Cell1) vs. Temperature
R5460x201AC
VDD=VSS=0V
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-50
-25
0
25
50
Temperature Topt (°C)
75
100
Over-charge voltage threshold
Cell1 VDET1U(V)
VST(V)
1) Minimum Operating Voltage for 0V Cell Charging
R5460x201AC
Vc-Vss=3.5V
4.375
4.370
4.365
4.360
4.355
4.350
4.345
4.340
4.335
4.330
4.325
-60
-40
20
40
60
80
100
4) Release Voltage from Over-charge (Cell1) vs. Temperature
R5460x201AC
VDD-VC=3.5V
Vc-Vss=3.5V
4.40
4.39
4.38
4.37
4.36
4.35
4.34
4.33
4.32
4.31
4.30
4.29
4.28
4.30
-50
-25
0
25
50
Temperature Topt(°C)
75
100
Release Voltage from Over-charge voltage
detect Cell1 VREL1U（V）
VDET1L（V）
0
Temperature Topt(°C)
3) Over-Charge Voltage Threshold (Cell2) vs. Temperature
R5460x201AC
22
-20
4.25
4.20
4.15
4.10
4.05
4.00
-60
-40
-20
0
20
40
60
Tempperature Topt（°C）
80
100
R5460x2xx
NO.EA-165-160603
5)
Release Voltage from Over-charge (Cell2) vs.
Temperature
R5460x201AC
6)
Output Delay of Over-charge Detector vs. Temperature
R5460x201AC
VDD-VC=3.5V
VC-VSS=3.5V
1.8
Over-charge Detector Output Delay
Time tVDET1(s)
Release Voltage from Overcharge Cell2 VREL1L(V)
4.30
4.25
4.20
4.15
4.10
4.05
4.00
-60
-20
0
20 40 60
Temperature Topt(°C)
80
100
Output Delay of Release from Over-charge vs. Temperature
8)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-60
-40
-20
2.40
28
2.38
24
20
16
12
8
4
-20
0
20 40 60
Temperature Topt(°C)
80
100
9) Over-discharge Detector Threshold (Cell2) vs.
Temperature
R5460x201AC
Over-discharge Detector Threshold
Cell1 VDET2U(V)
Output Delay Time of Release from
Over-charge tVREL1(ms)
Vc-Vss=3.5V
-40
2.35
2.33
2.30
2.28
2.25
2.23
2.20
-60
-40
0
20
40
60
Temperature Topt(°C)
80
100
Vc-Vss=3.5V
2.35
3.15
ReleaseVoltage from Overdischarge Cell1 VREL2
3.20
2.33
2.31
2.29
2.27
2.25
2.23
0
25
50
Temperature Topt(°C)
-20
10) Release Voltage from Over-discharge (Cell1) vs.
Temperature
R5460x202AA
VDD-VC=3.5V
-25
100
Vc-Vss=3.5V
2.37
-50
80
R5460x201AC
32
-60
0
20
40
60
Temperature Topt(°C)
Over-discharge Detector Threshold (Cell1) vs. Temperature
R5460x201AC
VDET2L（V）
7)
-40
1.6
75
100
3.10
3.05
3.00
2.95
2.90
2.85
2.80
-60
-40
-20
0
20 40 60
Temperature Topt(°C)
80
100
23
R5460x2xx
NO.EA-165-160603
11) Release Voltage from Over-discharge (Cell2) vs.
Temperature
R5460x202AA
12) Output Delay Time for Over-discharge vs. Temperature
R5460x201AC
3.15
225
3.10
3.05
3.00
2.95
2.90
200
175
150
125
100
75
50
25
2.85
0
2.80
-60
-40
-20
0
20
40
60
Temperature Topt(°C)
80
-60
100
Output Delay of Release from Over-discharge vs. Temperature
-40
-20
40
60
80
100
14)
Excess discharge Current Detector Threshold vs. Temperature
R5460x201AC
Excess discharge Current Detector
Threshold VDET3（V）
Output Delay Time for Release from
Over-discharge tVREL2 (ms)
20
0.220
Vc-Vss=3.5V
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.215
0.210
0.205
0.200
0.195
0.190
0.185
0.180
-60
-40
-20
0
20 40 60
Temperature Topt(°C)
80
-60
100
-40
-20
0
20
40
60
80
100
Temperature Topt(°C)
15) Output Delay Time for Excess discharge-current Detector vs.
Temperature
16)
Output Delay for Release from Excess discharge-current vs.
Temperature
R5460x201AC
R5460x201AC
20
Output Delay for Release from
Excess discharge-current
tVREL3(ms)
2.8
18
15
13
10
8
5
3
2.4
2.0
1.6
1.2
0.8
0.4
0.0
0
-60
24
0
Temperature Topt(°C)
R5460x201AC
Output Delay Time for Excess
discharge-current Detector tVDET3（ms）
13)
Vc-Vss=3.5V
250
Output Delay Time of Overdischarge tVDET2(ms)
Release from Over-discharge CELL2
(V)
VDD-Vc=3.5V
3.20
-40
-20
0
20
40
60
Temperature Topt(°C)
80
100
-50
-25
0
25
50
Temperature Topt (°C)
75
100
R5460x2xx
NO.EA-165-160603
17) Short Detector Voltage Threshold vs. Temperature
R5460x201AC
18) Output Delay for Short Detector vs. Temperature
R5460x201AC
VDD-VC=VC-VSS=3.5V
Output Delay Time for Short
Detector TSHORT(μs)
1.8
Short Detector Threshold
VSHORT(V)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-50
-25
0
25
50
75
600
550
500
450
400
350
300
250
200
150
100
50
0
100
-60
-40
-20
Temperature Topt (°C)
19) Release resistance from Excess-discharge current vs.
Temperature
20)
R5460x201AC
Excess Charge Current Detector
Threshold VDET4(V)
Release Resistance from Excessdischarge current RSHORT(kΩ)
60
80
100
R5460x201AC
75
-0.32
-0.34
-0.36
-0.38
-0.40
-0.42
-0.44
-0.46
-0.48
-0.50
100
Output Delay Time of Excess-charge current Detector Threshold
vs. Temperature
-60
22)
-40
-20
0
20 40 60
Temperature Topt(°C)
80
100
Output Delay Time for Release from Excess-charge current vs.
Temperature
R5460x201AC
R5460x201AC
2.8
Output Delay for Release from
Excess charge current detect
tVREL4(ms)
20
Output Delay for detecting Excess
charge current tVDET4(ms)
21)
0
25
50
Temperature Topt(°C)
40
-0.30
80
75
70
65
60
55
50
45
40
35
30
25
20
15
-25
20
Excess-charge current Detector Threshold vs. Temperature
VDD-VC=VC-VSS=3.6V
-50
0
Temperature Topt(°C)
18
16
14
12
10
8
6
4
2
0
-50
-25
0
25
50
Temperature Topt(°C)
75
100
2.4
2.0
1.6
1.2
0.8
0.4
0.0
-50
-25
0
25
50
Temperature Topt (°C)
75
100
25
R5460x2xx
NO.EA-165-160603
23) Delay Shortening Mode Voltage vs. Temperature
R5460x201AC
24) Nch ON Voltage of COUT vs. Temperature
R5460x201AC
VDD-VC=VC-VSS=4.5V, IOL=50μA
0.50
0.45
Nch ON Voltage(COUT) VOL1(V)
Delay Shrtening Mode Threshold VDS
(V)
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
-1.8
-2.0
-2.2
-2.4
-2.6
-2.8
-50
-25
0
25
50
75
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
-50
100
-25
Temperature Topt(°C)
25) Pch ON Voltage of COUT vs. Temperature
R5460x201AC
VDD-VC=VC-VSS=2V, IoL=50μA
VDD-VC=VC-VSS=3.9V, IoH=-50μA
0.50
7.5
7.3
7.1
6.9
6.7
6.5
6.3
-50
-25
0
25
50
Temperature Topt (°C)
75
100
27) Pch ON Voltage of DOUT vs. Temperature
R5460x201AC
Nch ON Voltage of DOUT VOL2(V)
Pch ON Voltage of COUT VOH1（V）
0.45
7.7
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
-50
-25
0
25
50
75
Temperqture Topt (°C)
100
28) Supply Current vs. Temperature
R5460x201AC
VDD-VC=VC-VSS=3.9V、Dout・VSS=-50μA
Min=6.8Ｖ, Typ.=7.4V
VDD-VCC=VC-VSS=3.9V
10
8.3
8.1
7.9
7.7
7.5
7.3
7.1
6.9
6.7
6.5
6.3
9
8
7
6
Iss（μA）
Pch On Voltage of DOUT VOH2(V)
100
26) Nch ON Voltage of DOUT vs. Temperature
R5460x201AC
7.9
26
0
25
50
75
Temperature Topt (°C)
5
4
3
2
1
0
-50
-25
0
25
50
Temperature (°C)
75
100
-50
-25
0
25
50
Temperature Topt(°C)
75
100
R5460x2xx
NO.EA-165-160603
29) Standby Current vs. Temperature (Ver. A.)
30) Standby Current vs. Temperature (Ver. B.)
R5460X202AA (VDD-Vc=Vc-Vss=2.0V)
R5460x201AC (VDD-VC=VC-VSS=2.0V)
2.0
1.0
1.8
Standby Current Istb(μA)
0.9
Standby Current Istb(uA)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.2
0.0
0.0
-50
-25
0
25
50
Temperature Topt(C)
75
-50
100
2)
Output delay of over-charge tVDET1[s]
Output delay of release from overcharge tVREL1[ms]
0.8
0.6
0.4
0.2
0
5.5
6
VDD[V]
Output Delay of Over-discharge detector vs. VDD
4)
3
3.5
4.5
Output Delay for Release from Over-discharge vs. VDD
R5460x20XAX
1.6
120
100
80
60
40
20
0
2
2.5
Output delay of release from overdischarge tVREL2[ms]
Output delay of over-discharge
tVDET2[ms]
4
V-=0V,VDD=2.2V to 2.5V,3.3V,4.2V Vc-Vss=3.5V
140
VDD[V]
100
VDD[V]
R5460x20XAX
1.5
75
18
16
14
12
10
8
6
4
2
0
V-=0V,VDD=3.5V to 2.2V,2.0V,1.5V,Vc-Vss=3.5V
1
50
V-=0V,VDD=4.5V to 3.2V,3.7V,4.0V,Vc-Vss=3.5V
1
5
25
R5460x20XAX
1.2
4.5
0
Delay Time for Release from Over-charge vs. VDD
R5460x20XAX
V-=0V,VDD=3.5V to 4.4V, 5.0V, 5.6V Vc-Vss =3.5V
4
-25
Temperature Topt (°C)
Part 2 Delay Time dependence on VDD
1) Delay Time for Over-charge detector vs. VDD
3)
0.8
1.4
1.2
1
0.8
0.6
0.4
0.2
0
2
2.5
3
3.5
VDD[V]
4
4.5
27
R5460x2xx
NO.EA-165-160603
5)
Output Delay for Excess Discharge Current
vs. VDD
6) Output Delay for Release from Excess Discharge
Current Detect vs. VDD
R5460x20XAX
R5460x20XAX
VDD=2.4V,3.3V ,4.2V Vc-Vss=3.5V V-=3.0V to 0V
Output delay of excess discharge
current tVDET3[ms]
14
7)
12
10
8
6
4
2
0
2
2.5
3
3.5
VDD[V]
4
4.5
Delay Time for Excess Charge Current Detector
vs. VDD
Output delay of release from excess
discharge-current tVREL3[ms]
VDD=2.4V,3.3V ,4.2V,Vc-Vss=3.5V,V-=0V to 0.5V
8)
1.4
1.2
1
0.8
0.6
0.4
0.2
0
2
2.5
Output delay of release from
excess charge-current tVREL4[ms]
Output delay of excess chargecurrent tVDET4[ms]
4.5
Output Delay for Short vs. VDD
R5460x20XAX
VDD=2.4V, 3.3V, 4.2V Vc-Vss=3.5V V-=0V to 1.5V
Output delay of short protection
tSHORT[μs]
350
28
300
250
200
150
100
50
0
3
3.5
VDD[V]
4.5
VDD=2.4V, 3.3V, 4.2V Vc-Vss=3.5V V-=-0.9V to 0V
1.4
VDD[V]
2.5
4
R5460x20XAX
VDD=2.4V, 3.3V, 4.2V Vc-Vss=3.5V V-=0V to -0.9V
9
8
7
6
5
4
3
2
1
0
2
2.5
3
3.5
4
2
3.5
VDD[V]
Delay Time for release from Excess charge
current detect vs. VDD
R5460x20XAX
9)
3
4
4.5
1.2
1
0.8
0.6
0.4
0.2
0
2
2.5
3
3.5
VDD[V]
4
4.5
R5460x2xx
NO.EA-165-160603
Part 3
Supply Current dependence on VDD
PACK+
R1 330Ω
A
CELL1
VDD
C1
0.1μF
R2 330Ω
Vc
R5460
V-
C2
0.1μF
Vss
CELL2
DOUT
COUT
C3 0.01μF
R3
1kΩ
PACK-
Test Circuit
Supply Current vs. VDD
B version
5
4.5
4.5
Supply Current IDD(uA)
Supply Current IDD(uA)
A version
5
4
3.5
4
3.5
3
2.5
3
2.5
2
1.5
2
1.5
1
0.5
1
0.5
0
0
0
1
2
3
4
VDD(V)
5
6
7
8
0
1
2
3
4
5
VDD(V)
6
7
8
29
R5460x2xx
NO.EA-165-160603
Part 4
Over-charge detector, Release voltage from Over-charge, Over-discharge detector, Release voltage from Overdischarge dependence on External Resistance value
PACK+
R1
CELL1
C1
0.1μ F
V DD
R2 330Ω
Vc
R5460
V-
C2
0.1μ F
Vss
CELL2
D OUT
C OUT
C3 0.01μF
R3
1KΩ
PACK-
Test Circuit
Over-charge Detector Threshold / Released Voltage from Over-discharge vs. R1
R5460x201AC
4.052
4.048
4.044
0
200
400
600
R1[Ω]
800
4.04
1000
4.361
4.359
4.357
4.355
4.353
4.351
4.349
4.347
4.345
4.343
4.341
Over-charge threshold
Over-charge released
0
200
400 600
R1[Ω]
800
4.164
4.162
4.16
4.158
4.156
4.154
4.152
4.15
4.148
4.146
4.144
1000
Over-charge released voltage[V]
4.056
Over-charge threshold [V]
Over-charge threshold
4.064
Over-charge released voltage
4.06
Over-charge released voltage[V]
Over-charge threshold [V]
R5460x202AA
4.266
4.264
4.262
4.26
4.258
4.256
4.254
4.252
4.25
4.248
4.246
4.244
4.242
4.24
Over-discharge / Released from Over-charge Threshold vs. R1
3.04
2.398
3.03
2.396
3.02
2.394
3.01
2.392
3
Over-discharge threshold [V]
2.39
2.99
2.388
2.98
2.386
0
200
400
600
R1[Ω]
800
2.97
1000
R5460x201AC
2.5
Over-discharge threshold
Over-discharge released voltage
2.46
2.316
2.314
2.312
Over-discharge threshold [V]
2.4
Over-discharge released
voltage[V]
2.402
Over-discharge threshold
3.06
Over-discharge released voltage
3.05
2.404
30
3.07
2.31
Over-charge released voltage[V]
R5460x202AA
2.406
2.42
2.308
2.306
2.304
2.38
2.302
2.3
2.34
2.298
2.296
0
200
400 600
R1[Ω]
800
2.3
1000
R5460x2xx
NO.EA-165-160603
Part 5
Charger Voltage at Released from Over-discharge with a Charger dependence on R2
Test Circuit
PACK+
R1
330Ω
CELL1
C1
0.1μ F
R2
V DD
330Ω
Vc
R5460
V-
C2
0.1μ F
Vss
CELL2
D OUT
C OUT
C3 0.01μF
R3
PACK-
Charger Voltage at Release from Over-discharge with a charger vs. R2
R5460x201AC
CELL1=4.25V,CELL2=4.25V
Charger Voltage of Release from Over-discharge[V]
10
9
8
7
6
5
4
3
2
1
0
0
1
2
3
4
5
6
7
8
9
10
11
12
R3[kΩ]
31
R5460x2xx
NO.EA-165-160603
R5460x2xxxx CODE LIST
Product
Name
VDET3 (V)
VDET4 (V)
tVDET1 (s)
tVDET2 (ms)
CELL2
Overcharge
Release
Threshold
VREL1L (V)
R5460N 201AC
4.350
4.150
4.350
4.150
2.300
-
2.300
-
0.200
-0.400
1
128
R5460N 202AA
4.250
4.050
4.250
4.050
2.400
3.000
2.400
3.000
0.150
-0.400
1
128
R5460N 203AA
4.350
4.150
4.350
4.150
2.300
3.000
2.300
3.000
0.200
-0.400
1
128
R5460N 204AA
4.350
4.150
4.350
4.150
2.300
3.000
2.300
3.000
0.150
-0.200
1
128
R5460N 205AA
4.250
4.050
4.250
4.050
2.400
3.000
2.400
3.000
0.100
-0.200
1
128
R5460N 206AA
4.290
4.050
4.290
4.050
2.900
3.100
2.900
3.100
0.150
-0.200
1
128
R5460N 207AA
4.350
4.150
4.350
4.150
2.300
3.000
2.300
3.000
0.200
-0.200
1
128
R5460N 207AE
4.350
4.150
4.350
4.150
2.300
3.000
2.300
3.000
0.200
-0.200
1
128
R5460N 207AF
4.350
4.150
4.350
4.150
2.300
3.000
2.300
3.000
0.200
-0.200
1
128
R5460N 208AA
4.250
4.050
4.250
4.050
2.400
3.000
2.400
3.000
0.200
-0.200
1
128
R5460N 208AE
4.250
4.050
4.250
4.050
2.400
3.000
2.400
3.000
0.200
-0.200
1
128
R5460N 208AF
4.250
4.050
4.250
4.050
2.400
3.000
2.400
3.000
0.200
-0.200
1
128
R5460N 209AD
3.650
3.450
3.650
3.450
2.500
3.000
2.500
3.000
0.200
-0.200
1
128
R5460N 210AD
3.650
3.450
3.650
3.450
2.000
2.500
2.000
2.500
0.200
-0.200
1
128
R5460N 211AA
4.250
4.050
4.250
4.050
3.000
3.200
3.000
3.200
0.150
-0.200
1
128
R5460N 212AA
4.290
4.050
4.290
4.050
3.000
3.200
3.000
3.200
0.200
-0.200
1
128
R5460N 212AE
4.290
4.050
4.290
4.050
3.000
3.200
3.000
3.200
0.200
-0.200
1
128
R5460N 212AF
4.290
4.050
4.290
4.050
3.000
3.200
3.000
3.200
0.200
-0.200
1
128
R5460N 213AD
3.900
3.450
3.900
3.450
2.000
2.500
2.000
2.500
0.200
-0.200
1
128
R5460N 214AC
4.250
4.050
4.250
4.050
2.800
-
2.800
-
0.200
-0.200
1
128
R5460N 214AE
4.250
4.050
4.250
4.050
2.800
3.000
2.800
3.000
0.200
-0.200
1
128
R5460N 214AF
4.250
4.050
4.250
4.050
2.800
3.000
2.800
3.000
0.200
-0.200
1
128
R5460N 215AF
4.300
4.100
4.300
4.100
3.200
3.400
3.200
3.400
0.150
-0.200
1
128
R5460N 218AF
4.250
4.050
4.250
4.050
2.800
3.000
2.800
3.000
0.200
-0.100
1
128
R5460N 222AA
4.200
4.100
4.200
4.100
2.700
2.850
2.700
2.850
0.200
-0.200
1
128
R5460N 223AA
4.250
4.100
4.250
4.100
2.500
3.000
2.500
3.000
0.100
-0.100
1
128
R5460N 225AF
4.300
4.100
4.300
4.100
3.000
3.200
3.000
3.200
0.200
-0.150
1
128
R5460N 227AA
4.425
4.000
4.425
4.000
2.800
3.000
2.800
3.000
0.150
-0.150
1
128
R5460N 229AD
3.650
3.300
3.650
3.300
2.000
2.500
2.000
2.500
0.200
-0.200
1
128
R5460N 230AA
4.375
4.175
4.375
4.175
2.500
2.700
2.500
2.700
0.100
-0.100
1
128
R5460N 233AF
4.100
3.950
4.100
3.950
2.800
3.000
2.800
3.000
0.200
-0.200
1
128
R5460N 235AA
4.475
4.275
4.475
4.275
2.600
2.900
2.600
2.900
0.200
-0.200
1
128
A x
Function Vesion
A：Over-Charge = Auto-Release, Over-Discharge = Auto Release
C：Over-Charge = Auto-Release, Over-Discharge = Latch
D：Over-Charge = Auto-Release, Over-Discharge = Auto Release, VDET1U/L＜4.0V
E：Over-Charge = Auto-Release, Over-Discharge = Auto Release (No Hysteresis Cancellation)
F：Over-Charge = Auto-Release, Over-Discharge = Latch (Hysteresis)
Delay Time Version
Ver.
tVdet1(s)
tVdet2(ms)
tVdet3(ms)
tVdet4(ms)
tSHORT(μA)
A
1
128
12
8
300
Version
32
CELL2
Overdischarge
Release
threshhold
VREL2L (V)
2016.05
Overdischarge
Output
Delay Time
CELL2
Overcharge
Detector
Threshold
VDET1L (V)
Package Type
N： SOT-23-6
K： PLP1820-6
CELL2
Overdischarge
Detector
Threshold
V DET2L (V)
Overcharge
Output
Delay Time
CELL1
Overcharge
Release
Threshold
VREL1U (V)
2xx
CELL1
Overdischarge
Release
Threshold
VREL2U (V)
Excess
charge-current
Threshold
CELL1
Overcharge
Detector
Threshold
VDET1U (V)
R5460x
CELL1
Overdischarge
Detector
Threshhold
VDET2U (V)
Excess
discharge-current
Threshold
Code
Name
1. The products and the product specifications described in this document are subject to change or discontinuation of
production without notice for reasons such as improvement. Therefore, before deciding to use the products, please
refer to Ricoh sales representatives for the latest information thereon.
2. The materials in this document may not be copied or otherwise reproduced in whole or in part without prior written
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3. Please be sure to take any necessary formalities under relevant laws or regulations before exporting or otherwise
taking out of your country the products or the technical information described herein.
4. The technical information described in this document shows typical characteristics of and example application circuits
for the products. The release of such information is not to be construed as a warranty of or a grant of license under
Ricoh's or any third party's intellectual property rights or any other rights.
5. The products listed in this document are intended and designed for use as general electronic components in standard
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and reliability, for example, in a highly specific application where the failure or misoperation of the product could result
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6. We are making our continuous effort to improve the quality and reliability of our products, but semiconductor products
are likely to fail with certain probability. In order to prevent any injury to persons or damages to property resulting from
such failure, customers should be careful enough to incorporate safety measures in their design, such as redundancy
feature, fire containment feature and fail-safe feature. We do not assume any liability or responsibility for any loss or
damage arising from misuse or inappropriate use of the products.
7. Anti-radiation design is not implemented in the products described in this document.
8. The X-ray exposure can influence functions and characteristics of the products. Confirm the product functions and
characteristics in the evaluation stage.
9. WLCSP products should be used in light shielded environments. The light exposure can influence functions and
characteristics of the products under operation or storage.
10. There can be variation in the marking when different AOI (Automated Optical Inspection) equipment is used. In the
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11. Please contact Ricoh sales representatives should you have any questions or comments concerning the products or
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Ricoh is committed to reducing the environmental loading materials in electrical devices
with a view to contributing to the protection of human health and the environment.
Ricoh has been providing RoHS compliant products since April 1, 2006 and Halogen-free products since
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