BQ24140_14 Datasheet, PDF (8/39 Pages) Texas Instruments – Integrated Dual-Input Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and USB-OTG Support

bq24140
SLUSAO5 – OCTOBER 2011
www.ti.com
TYPICAL APPLICATION CIRCUITS
V_IN=5V or V_BUS=5V, I_CHARGE = 1550mA, V_BAT = 3.5--4.44V (Adjustable), Safety Timer = 15 minutes or 32 seconds
AC Adapter or
Wireless Power
USB Adapter
10 kW ^{10 kW 10 kW}
10 kW
10 kW _{10 kW}
HOST
1 mF
4.7 mF
4.7 mF
4.7 mF
PMID1
VIN
VBUS
PMID2
SW1
BOOT1
SW2
BOOT2
1 mH
100 nF
1 mH
100 nF
SCL
SDA
STAT
OTG
SLRST
DIS
CSIN
VBAT
VREF
1 mF
VREG
LED
GND
0.1 mF
68 mW
10 µF
47 µF
PACK+
+
PACK-
Figure 1. I²C Controlled 1-Cell USB and AC or Wireless Power Charger Application Circuit
8
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