BQ24232H_15 Datasheet, PDF (26/42 Pages) Texas Instruments – bq2423xx USB-Friendly Lithium-Ion Battery Charger and Power-Path Management IC

bq24230H, bq24232H
SLUSBI8A – JANUARY 2014 – REVISED DECEMBER 2014
Typical Application (continued)
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R4
1.5 kΩ
R5
1.5 kΩ
SYSTEM
Adaptor
DC +
GND
C1
1 μF
TEMP ^PACK+
C3
4.7μF
IN
OUT
VSS
bq24232H
EN2
EN1
TS
TD
CE
BAT
C2
4.7μF
HOST
PACK -
R1
56.2 kΩ
R2
R3
2.94 kΩ 4.35 kΩ
Figure 23. Using the bq24230H in a Host-Controlled Charger Application
10.2.1 Design Requirements
• Supply voltage = 5 V
• Fast-charge current of approximately 200 mA; ISET - pin 16
• Input Current Limit =500 mA; ILIM - pin 12
• Termination Current = 25 mA - pin 15
• Safety timer duration, Fast charge = 6.25 hours; TMR – pin 14
• TS – Battery Temperature Sense = 10 kΩ NTC (103AT-2)
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