BQ24188_15 Datasheet, PDF (36/52 Pages) Texas Instruments – bq24188 2A, 30V, Host-Controlled Single-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path Management and USB-OTG Support

bq24188
SLUSC44A – DECEMBER 2014 – REVISED MAY 2015
10 Applications and Implementation
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NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
10.1 Application Information
The bq24188EVM evaluation module (EVM) is a complete charger module for evaluating the bq24188. The
application curves were taken using the bq24188. See Related Documentation .
10.2 Typical Applications
10.2.1 bq24188 Typical Application
PMID
1.5 µH
SW
1 µF
0.033 µF
BOOT
10 µF
System
Load
VBUS
D+
D-
GND
4.7 µF
SYS
IN
10 µF
BGATE
Optional FET
2.2 µF
1.5 kŸ
USB PHY
DRV
STAT
BAT
PGND
TS
PSEL
bq24188
INT
SDA
SCL
CD
1 µF
DRV
5.62 kŸ
DRV
12.4 kŸ
TEMP
PACK+
PACK-
1.5 kŸ
VI/O
(1.8V)
HOST
GPIO
SDA
SCL
GPIO
Figure 26. bq24188 Typical Application Circuit
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