Doc No. TA4-EA-06273
Revision. 1
Product Standards
Ver.2.00
AN32258A
http://www.semicon.panasonic.co.jp/en/
INTEGRATED WIRELESS POWER SUPPLY RECEIVER,
Qi (WIRELESS POWER CONSORTIUM) COMPLIANT
― AN32258A ―
FEATURES
DESCRIPTION
Integrated Wireless Power Receiver Solution
WPC Ver. 1.1 Compliant
Synchronous Full Bridge Rectifier Control
Input Voltage Range : VRECT = 4.4 V to 19 V
Output Voltage: 5 V
Temperature Detecting Circuit
Full Charge Detection with Adjustable Current Level
Switching Control of External Power Supply
Supports Under Voltage Lockout , Thermal Shutdown,
Over Voltage Detection, and Over Current Detection.
LED Indicator
3.16 mm X 3.16 mm WLCSP
48 Pins with 0.4mm pitch
AN32258A is a wireless power system controller IC
which is compliant with Qi version 1.1 of the System
Description Wireless Power Transfer, Volume 1 for Low
Power defined by Wireless Power Consortium.
AN32258A is a controller IC of a power receiver (Rx)
which can be used with any Qi-compliant wireless
chargers.
APPLICATIONS
・WPC Compliant Receivers
・Cell Phones, Smartphones
・Headsets
・Digital Cameras
・Tablet Devices
・Portable Media Players etc.
IMPORTANT
AN32258A is designed to be used based on
the circuits and external components described in this
document and Application Note. Therefore, Panasonic
cannot support any inquiries of modified solution.
Wireless Power System
Wireless Power
VIN
Cp
Cs
Cd
TX
Coil
RX
Coil
Transmitter (Tx)
OUT
Co
Rectifier
NN32251
Tx Inverter
VRECT
Control
IOUT
Charger
+
AN32258
Receiver (Rx)
Communication
Page 1 of 30
Established : 2014-10-22
Revised
: ####-##-##
Doc No. TA4-EA-06273
Revision. 1
Product Standards
Ver.2.00
AN32258A
■ FEATURES
CONTENTS
……………………………………………………………………… 1
■ DESCRIPTION
……………………………………………………………………… 1
■ APPLICATIONS
……………………………………………………………………… 1
■ ABSOLUTE MAXIMUM RATINGS ……………………………………………………… 3
■ POWER DISSIPATION RATING ………………………………………………………… 4
■ RECOMMENDED OPERATING CONDITIONS ……………………………………… 4
■ ELECTRICAL CHARACTERISTICS …………………………………………………… 5
■ PIN CONFIGURATION …………………………………………………………………… 8
■ PIN FUNCTIONS
……………………………………………………………………… 9
■ CIRCUIT DIAGRAM ………………………………………………………………………14
■ FUNCTIONS
………………………………………………………………………15
■ PACKAGE INFORMATION ………………………………………………………………29
■ IMPORTANT NOTICE
……………………………………………………………………30
Page 2 of 30
Established : 2014-10-22
Revised
: ####-##-##
Doc No. TA4-EA-06273
Revision. 1
Product Standards
Ver.2.00
AN32258A
DELIVERY INFORMATION
Order Number
Package
Output Supply
Minimum Quantity
AN32258A-PR
48 pin WLCSP(3.2×3.2mm)
Embossed Taping
5000pcs
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Rating
Unit
Notes
VRECT
20
V
*1
VEXT
6.9
V
*1
Output current
IRECT
—
A
*1
Operating ambient temperature
Topr
– 30 to + 85
C
*2
Operating junction temperature
Tj
-40 to +125
C
*2
Tstg
– 50 to + 125
C
*2
VTD2, VTD1, VSC2, VSC1, VISENSE1
– 0.3 to 20
V
*1
VOUT, VLED
– 0.3 to 12
V
*1
VVTH, VFCCNT, VFODG,
VFULLCH, VFOD, VFODL
– 0.3 to (VVREG34V + 0.3)
V
*1
VVPGATE
– 0.3 to (VRECT + 0.3)
V
*1
VDT1H
– 0.3 to(Vsc1 + VVREG47V+ 0.3)
V
*1
VDT2H
– 0.3 to(Vsc2 + VVREG47V+ 0.3)
V
*1
VDT2L, VDT1L
– 0.3 to ( VVREG47V + 0.3 )
V
*1
VEXTCNT
– 0.3 to ( VEXT + 0.3 )
V
*1
VMEMBAT
– 0.3 to (VVREG34V + 0.3)
V
*1
TD2
1.0
kV
—
HBM (Human Body Model)
ISENSE1, ISENSE2,
ISENSE1-S, ISENSE1-S1
1.5
kV
—
HBM (Human Body Model)
Except for pins above
2
kV
—
Supply voltage
Storage temperature
Input voltage range
Output voltage range
ESD
Note) This product may sustain permanent damage if the actual condition is higher than the absolute maximum rating
stated above. This rating is the maximum stress, and device will not be guaranteed to operate in case it is higher
than our stated range. When exposed to the absolute maximum rating for a long time, the reliability of the product
may be affected.
*1:The values under the condition not exceeding the above absolute maximum ratings and the power dissipation.
*2:Except for the power dissipation, operating ambient temperature, and storage temperature, all ratings are for Ta = 25 C.
Page 3 of 30
Established : 2014-10-22
Revised
: ####-##-##
Doc No. TA4-EA-06273
Revision. 1
Product Standards
Ver.2.00
AN32258A
POWER DISSIPATION RATING
PACKAGE
j-a
j-C
PD
(Ta = 25 C)
PD
(Ta = 85 C)
Notes
Wafer Level Chip Size Package
(WLCSP type)
631.4 C / W
7.2 C /W
0.158 W
0.0632 W
*1
Note). *1 :For the actual usage, please refer to the PD-Ta characteristics diagram in the package specification, and
follow the power supply voltage, load and ambient temperature conditions to ensure that there is enough
margin and the thermal design does not exceed the allowable value.
CAUTION
Although this device has limited built-in ESD protection circuit, permanent damage may occur on it.
Therefore, proper ESD precautions are recommended to avoid electrostatic damage to the MOS gates
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply voltage range
Input voltage range
Pin Name
Min.
Typ.
Max.
Unit
VRECT
4.4
8
19
V
VEXT
4.4
5
6
V
VISENSE1
4.4
8
19
V
VTD2
-0.3
—
20
V
VTD1
-0.3
—
20
V
VSC2
-0.3
—
20
V
VSC1
-0.3
—
20
V
VOUT
-0.3
—
7
V
VLED
-0.3
—
7
V
VVTH
-0.3
—
VVREG34V + 0.3
V
VFCCNT
-0.3
—
VVREG34V + 0.3
V
VFODG
-0.3
—
VVREG34V + 0.3
V
VFULLCH
-0.3
—
VVREG34V + 0.3
V
VFOD
-0.3
—
VVREG34V + 0.3
V
Notes
*2
Note) Do not apply external currents or voltages to any pin not specifically mentioned.
*2 : The values under the condition not exceeding the above absolute maximum ratings and the power dissipation.
Page 4 of 30
Established : 2014-10-22
Revised
: ####-##-##
Doc No. TA4-EA-06273
Revision. 1
Product Standards
Ver.2.00
AN32258A
ELECRTRICAL CHARACTERISTICS
Co = 10 µF, VRECT = 8 V, Ta = 25 C 2 C unless otherwise noted.
Parameter
Symbol
Condition
Limits
Unit Note
Min
Typ
Max
10
12
14
mA
Current Consumption
Quiescent current
ISTBY
Under-voltage lock-out (UVLO)
VUVLO
VRECT : 0V -> 5V
3.29
3.5
3.71
V
VUVLOHY
VRECT : 5V -> 3V
-
0.7
-
V
VOVP
VRECT : 5V -> 19V
17
18
19
V
VOVPOHY
VRECT : 19V -> 5V
-
4
-
V
*1
VRECTTH1
In increasing IOUT < 125mA
In decreasing I :IOUT
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