TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
D
D
D
D
D
D
D
D
D
D
PW PACKAGE
(TOP VIEW)
Low Voltage Operation . . . 2.5 V to 7 V
Low Power . . . 3. 5 mA
(f = 500 kHz, Duty = 50%)
Internal Undervoltage Lockout Protection
Internal Short Circuit Protection
Wide Operating Frequency . . . 50 kHz to
1 MHz
Internal Precision Reference . . . 1.25 V ±1%
(25°C)
On/Off Switch for CH1/3 Pair and Ch2 (see
Function Table)
0 to 100% Dead Time Control
Totem Pole Output Stage
Smal l Package . . . 16 Pin TSSOP
IN-2
E/O2
VCC
OUT2
OUT3
OUT1
GND
SCP
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
E/O3
IN-3
IN-1
E/O1
CT/RT
DTC2
DTC1/3
VREF
description
The TPS5100 is a triple PWM control circuit, primarily designed to compose the power supply for LCD display.
Each PWM channel has own error amplifier, PWM comparator, dead-time control and output driver. The
trimmed voltage reference, oscillator, undervoltage lockout and short circuit protection are common for all
channels.
This device includes two boost exclusive circuits (ch1,3) and a buck-boost exclusive circuit (ch2). The operating
frequency is set with external resister and capacitor, and dead time is continuously adjustable form 0% to 100%
duty cycle with resistive divider network. Soft start function can be implemented by adding a capacitor to dead
time divider network. Two dead time control inputs are assigned for ch1,3 pair and ch2 individually and each
dead time control input can be used to control on/off operation. TPS5100 can operate from 2.5 V supply voltage
and ch1,3 pair and ch2 operate with reverse phase switching each other to achieve efficient operation in low
power and battery powered system.
The TPS5100 is characterized for operation from –20°C to 85°C.
FUNCTION TABLE
CONDITION
OUTPUT
CH-1
CH-2
CH-3
ON H
DTC1/3 >. 0.3 V, DTC2 > 0.3 V
ON H
ON L
DTC1/3 > 0.3 V, DTC2 0.3 V
OFF L
ON L
OFF L
DTC1/3 < 0.2 V, DTC2 < 0.2 V
OFF L
OFF H
OFF L
AVAILABLE OPTIONS
PACKAGE
TA
TSSOP
(PW)
– 20°C to 85°C
TPS5100PW
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2000, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
functional block diagram
Boost
VCC
1V
0.4 V
VCC
Vref
CT/RT
GND
OSC
UVLO
Vref
V01
To Internal
Circuitry
VCC
PWM/C
E/01
V01
Vref
IN–1
+
_
+
–
+
E/C1
OUT1
VT2
1.15 V
V03
Vref
IN–3
Vref
E/A1
+
_
EN1
E/03
–
+
+
_
E/A3
VT5
1.25 V
E/C3
DIS
LATCH
–
+
VCC
2 µA
SPC/C
SCP
EN1
DTC1/3
+
_
DIS
VT1, 0.25 V
VCC
EN2
EN1
–
+
DTC2
+
_
DIS
PWM/C
+
–
+
R
OUT3
R
IN–2
+
_
E/02
E/A2
VCC
VT4, 0.7 V
+
_
VT3, 0.25 V
–VO2
Buck-Boost
–
+
Vref
PWM/C
–
+
–
E/C2
NOTE A: All voltages and currents listed are nominal.
2
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
VCC
EN2
OUT2
–VO2
TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
electrical characteristics over recommended operating free-air temperature range, VCC = 3.3 V
(unless otherwise noted) (see Note 1)
PARAMETER
VREF
VREF(dev)
Reference voltage
REGIN
Input regulation
REGL
Output regulation
Reference voltage change with TA
TEST CONDITIONS
IREF = –1 mA,
IREF = –1 mA,
TA = 25°C
See Note 2
MIN
TYP
MAX
UNIT
1.237
1.250
1.263
V
15
25
mV
2
5
mV
1
5
mV
IREF = –1 mA,
VCC = 2.5 V to 7 V
IREF = –0.1 mA to –1 mA
IOS
Short-circuit output current
VREF = 0
–2
–10
–30
mA
NOTES: 1. Typical values of all parameters except for VREF(dev) and fdT are specified at TA = 25°C.
2. The deviation parameter VREF(dev) is defined as the difference between the maximum and minimum values obtained over the
recommended free-air temperature range (–20°C to 85°C).
undervoltage lockout section
PARAMETER
VTH
VTL
TEST CONDITIONS
Upper threshold voltage
TA = 25°C
TA = 25°C
Lower threshold voltage
Vhys
Hysteresis (VTH – VTL)
TA = 25°C
NOTE 1: Typical values of all parameters except for VREF(dev) and fdT are specified at TA = 25°C.
MIN
TYP
MAX
UNIT
2.2
2.3
2.4
V
2
2.1
2.2
V
0.1
0.2
0.3
V
protection control section
PARAMETER
ISCP
VT2
VT3
VR
TEST CONDITIONS
MIN
TYP
MAX
UNIT
–1.4
–2
–2.6
µA
CH-1, 3
1.10
1.15
1.20
CH-2
0.20
0.25
0.30
0.8
1.5
1.20
1.25
1.30
V
MIN
TYP
MAX
UNIT
400
500
600
kHz
1%
2%
Input terminal source current
Input threshold voltage
Latch reset threshold voltage
TA = 25°C
VT5
Threshold voltage
NOTE 1: Typical values of all parameters except for VREF(dev) and fdT are specified at TA = 25°C.
V
V
oscillator section
PARAMETER
TEST CONDITIONS
fOSC
Frequency
CT = 130 pF,
fdV
Frequency change with VCC
VCC = 2.5 V,
CT = 130 pF,
RT = 7 kΩ
TA = 25°C,
RT = 7 kΩ
fdT
ICT/RT
Frequency change with TA
CT = 130 pF,
RT = 7 kΩ
Output source current
–180
VOSCH
VOSCL
H level output voltage
L level output voltage
5%
10%
–200
–220
µA
0.95
1
1.05
V
0.35
0.40
0.45
V
MIN
TYP
MAX
UNIT
NOTE 1: Typical values of all parameters except for VREF(dev) and fdT are specified at TA = 25°C.
dead time control section
PARAMETER
IBDT1/3
IBDT2
VT1
VT0(DTC1/3)
VT100(DTC1/3)
VT0(DTC2)
TEST CONDITIONS
VDTC1/3 = 0.35 V to 1.05 V
VDTC2 = 0.35 V to 1.05 V
Input bias current
Comparator threshold voltage
Input threshold voltage (DTC1/3) (see Note 3)
Duty = 0%
Duty = 100%
fOSC = 500 kHz
200
±2
±20
0.2
0.25
0.3
0.3
0.4
0.5
0.9
1
1.1
0.4
0.5
1
1.1
Duty = 0%
0.3
Input threshold voltage (DTC2) (see NOte 3)
fOSC = 500 kHz
VT100(DTC2)
Duty = 100%
0.9
NOTES: 1: Typical values of all parameters except for VREF(dev) and fdT are specified at TA = 25°C.
3. These specifications are not production tested. They are specified as ensured values on circuit design.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
nA
V
V
V
3
TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
electrical characteristics over recommended operating free-air temperature range, VCC = 3.3 V
(unless otherwise noted) (see Note 1) (continued)
error amplifier section
PARAMETER
VIO
Input offset voltage
TEST CONDITIONS
CH1, 3,
IIB
Input bias current
VIR
Input voltage range
AVD
B1
Open-loop voltage amplification
MAX
Av = 1
VI = –.95 V to 1.55 V
±10
±20
CH2,
VI = 0.4 V to 1 V
±10
±20
CH1, 3,
CH2
15
0.95
1.55
0.4
1
RFB = 200 kΩ
Unity-gain bandwidth
VID = 0.1
01V
IO = 60 µA
IO = 0.2 mA
IOM+
IOM–
Output sink current
VID = 0.1 V,
VID = 0.1 V,
VO = 0.2 V
VO = 1.2 V
VT4
Input bias voltage
CH2,
AV = 1,
AV = 1
Output source current
TYP
CH1, 3,
Output voltage swing
VOM+
VOM–
MIN
CH2,
TA = 25°C
UNIT
mV
nA
V
60
dB
1
MHz
1.2
0.2
V
0.2
1
mA
–60
–100
µA
678
700
722
665
700
735
MIN
TYP
MAX
2.9
3.05
1.9
2.2
2.6
0.2
0.4
0.3
0.6
mV
NOTE 1: Typical values of all parameters except for VREF(dev) and fdT are specified at TA = 25°C.
output section
PARAMETER
TEST CONDITIONS
VOH
High level output voltage
High-level
IO = 20 mA (CH2)
IO = –40 mA (CH1, 3)
VOL
Low level output voltage
Low-level
IO = 20 mA (CH1, 3)
IO = 40 mA (CH2)
tr
tf
Rise time
CL = 1000 pF
0.2
Fall time
IO = 1000 pF
NOTE 1: Typical values of all parameters except for VREF(dev) and fdT are specified at TA = 25°C.
UNIT
V
V
130
ns
50
ns
total device
PARAMETER
ICC
ICCA
Supply current
TEST CONDITIONS
Output OFF state
Average supply current
FOSC = 500 kHz, Duty = 50%, No load
NOTE 1: Typical values of all parameters except for VREF(dev) and fdT are specified at TA = 25°C.
4
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• DALLAS, TEXAS 75265
MIN
TYP
MAX
2.5
4
UNIT
mA
3.5
5
mA
TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
TYPICAL CHARACTERISTICS
REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
INPUT THRESHOLD VOLTAGE (UVLO)
vs
FREE-AIR TEMPERATURE
1.27
2.5
VCC = 3.3 V
IO = –1 mA
VIT – Input Threshold Voltage (UVLO) – V
VCC = 3.3 V
Vref – Reference Voltage – V
1.26
1.25
1.24
1.23
1.22
–50
0
50
100
2.4
2.3
2.2
2.1
2
–50
150
0
TA – Free-Air Temperature – °C
50
100
150
TA – Free-Air Temperature – °C
Figure 1
Figure 2
SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
SOURCE CURRENT
vs
FREE-AIR TEMPERATURE
5
–1.8
VCC = 3.3 V
VCC = 3.3 V
I S – Source Current – µ A
I CC – Supply Current – mA
4
ICC
3
ICCA
2
–2
–2.2
–2.4
1
0
–50
0
50
100
150
–2.6
–50
TA – Free-Air Temperature – °C
0
50
100
150
TA – Free-Air Temperature – °C
Figure 3
Figure 4
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• DALLAS, TEXAS 75265
5
TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
TYPICAL CHARACTERISTICS
OSCILLATOR FREQUENCY
vs
TIMING CAPACITOR
OSCILLATOR FREQUENCY
vs
FREE-AIR TEMPERATURE
505
VCC = 3.3 V
RT = 6.8 kΩ
TA = 25°C
f OSC – Oscillator Frequency – kHz
f OSC – Oscillator Frequency – kHz
10k
1k
100
10
10
100
1000
VCC = 3.3 V
RT = 6.8 kΩ
CT = 130 pF
500
495
490
485
480
–50
10000
0
Figure 5
Figure 6
SOURCE CURRENT
vs
FREE-AIR TEMPERATURE
–190
I S – Source Current – µ A
VCC = 3.3 V
–195
ICT/IRT
–200
–205
–210
–50
0
50
100
TA – Free-Air Temperature – °C
Figure 7
6
50
100
TA – Free-Air Temperature – °C
CT – Timing Capacitor – pF
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• DALLAS, TEXAS 75265
150
150
TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
TYPICAL CHARACTERISTICS
INPUT THRESHOLD VOLTAGE (DTC)
vs
TIMING CAPACITOR
INPUT THRESHOLD VOLTAGE (DTC)
vs
TIMING CAPACITOR
0.42
VCC = 3.3 V
RT = 6.8 kΩ
TA = 25°C
V IT – Input Threshold Voltage – V
V IT – Input Threshold Voltage – V
1.04
1.02
0
0.98
10
100
1000
VCC = 3.3 V
RT = 6.8 kΩ
TA = 25°C
0.4
0.38
0.36
10
10000
100
fOSC – Oscillator Frequency – kHz
Figure 8
OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
3.5
0.4
VCC = 3.3 V
3
VO – Output Voltage – V
VO – Output Voltage – V
VCC = 3.3 V
IO = 20 mA
2.5
IO = 40 mA
2
0
10000
Figure 9
OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
1.5
–50
1000
fOSC – Oscillator Frequency – kHz
50
100
150
0.3
IO = 40 mA
0.2
IO = 20 mA
0.1
0
–50
TA – Free-Air Temperature – °C
0
50
100
150
TA – Free-Air Temperature – °C
Figure 10
Figure 11
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• DALLAS, TEXAS 75265
7
TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
TYPICAL CHARACTERISTICS
MAXIMUM PEAK OUTPUT VOLTAGE
vs
OUTPUT SOURCE CURRENT
OUTPUT VOLTAGE
vs
SUPPLY VOLTAGE
8
IO = 60 µA
TA = 25°C
VCC = 3.3 V
TA = 25°C
VO – Output Voltage – V
VOM – Maximum Peak Output Voltage – V
3
2
1
0
–50
0
50
100
6
4
2
0
150
0
2
IOM – Output Source Current – µA
Figure 12
8
REFERENCE VOLTAGE
vs
SUPPLY VOLTAGE
1.4
200
TA = 25°C
VCC = 3.3 V
TA = 25°C
1.2
Vref – PWM Reference Voltage – V
VO – Output Voltage – mV
6
Figure 13
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
150
100
50
0
0
0.5
1
1.5
2
1
Fall
0.8
Rise
0.6
0.4
0.2
0
0
IO – Output Current – mA
0.5
1
1.5
Figure 15
POST OFFICE BOX 655303
2
VCC – Supply Voltage – V
Figure 14
8
4
VCC – Supply Voltage – V
• DALLAS, TEXAS 75265
2.5
3
TPS5100
TRIPLE-CHANNEL PWM CONTROL CIRCUITS
SLVS169 – JANUARY 2000
TYPICAL CHARACTERISTICS
OPEN-LOOP GAIN
vs
FREQUENCY
PHASE SHIFT
vs
FREQUENCY
80
0
VCC = 3.3 V
TA = 25°C
Rf = 390 kΩ
60
VCC = 3.3 V
Inv-Amp
Rf = 390 kΩ
TA = 25°C
Phase Shift – degrees
Open-Loop Gain – dB
–45
40
20
0
–135
–180
–20
–40
0.01
–90
0.1
1
10
100
1000
10k
–225
0.01
0.1
1
10
100
f – Frequency – kHz
f – Frequency – kHz
Figure 16
Figure 17
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1000
10k
9
PACKAGE OPTION ADDENDUM
www.ti.com
10-Dec-2020
PACKAGING INFORMATION
Orderable Device
Status
(1)
Package Type Package Pins Package
Drawing
Qty
Eco Plan
(2)
Lead finish/
Ball material
MSL Peak Temp
Op Temp (°C)
Device Marking
(3)
(4/5)
(6)
TPS5100IPW
ACTIVE
TSSOP
PW
16
90
RoHS & Green
NIPDAU
Level-1-260C-UNLIM
-40 to 85
PU5100
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may
reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of