BQ24040_16 Datasheet, PDF (27/38 Pages) Texas Instruments – Single Cell Li-Ion and Li-Pol Battery Charger With Auto Start

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bq24040, bq24041, bq24045
SLUS941F – SEPTEMBER 2009 – REVISED MARCH 2015
Typical Applications (continued)
9.2.2 Typical Application Circuit: bq24041, with ASI and ASO
I_{OUT_FAST_CHG} = 540mA; I_{OUT_PRE_CHG} = 108mA
1.5kW
Adaptor
DC+
GND
OR
USB Port
VBUS
GND
D+
D-
1kW
1mF
Auto-Booting
bq24041
1 IN
2 ISET
3 VSS
OUT ¹⁰
1.5kW
BAT_EN ⁹
CHG 8
Battery Pack
++
4 ASI
ISET2 ⁷
5 _PG
ASO ⁶
System Load
1mF
TTDM/BAT_EN
ISET/100/500 mA
GND
D+
D- ^VDD Host
Disconnect after Detection
EN
Power Supply
Figure 34. Typical Application Circuit: bq24041, with ASI and ASO
9.2.2.1 Design Requirements
See Typical Application: bq24040 and bq24045 for design requirements.
9.2.2.2 Detailed Design Procedures
See Typical Application: bq24040 and bq24045 for detailed design procedures.
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