BQ24195 Datasheet, PDF (3/41 Pages) Texas Instruments – I2C Controlled 2.5A / 4.5A Single Cell USB/Adapter Charger With 5.1V at 1A / 5.1V at 2.1A Synchronous Boost Operation

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APPLICATION SCHEMATIC
3.9V –17V
Adapter +
Adapter –
Q1
CSD25302Q2
R8
R10 262kW
121kW
R7
10kW
C8
1nF
R9
100kW
Q2
Si2312DS
Phone
Tablet
SYS
R6
10kW
R11
49.9kW
Q3
Si2312DS
USB
REGN
C2 ^VBUS
1mF
PMID
C1
OTG
D+
D–
+3.3V
R2
2.2kW
STAT
R3
10kW
R4
10kW
R5
10kW
SDA
Host
SCL
INT
CE
bq24195
bq24195L
SLUSB97 – OCTOBER 2012
SW
BTST
REGN
L1
2.2mH
C3
47nF
C4
4.7mF
bq24195L
bq24195
Power Pad
PGND
SYS
BAT
ILIM
TS1
TS2
C5
10mF R1
333W
(1.5A max)
REGN
RT1
5.52kW
RT2
31.23kW
RTH
10kW
C6
10mF
C7
10mF
BATTERY
Recommended C1(min) = 20mF (bq24195L) or 60mF (bq24195)
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Product Folder Links: bq24195 bq24195L
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