BQ24297 Datasheet, PDF (4/48 Pages) Texas Instruments – I2C Controlled 3A Single Cell USB Charger

bq24296
bq24297
SLUSBP6A – SEPTEMBER 2013 – REVISED OCTOBER 2013
APPLICATION DIAGRAM
5V USB
SDP/DCP
bq24296
1μF
8.2μF
VBUS
PMID
317W (1.5A max)
ILIM
SYS
SW
BOOT
REGN
PGND
VREF
2.2kW
PG
STAT
10kW 10kW 10kW
SDA
Host
SCL
INT
OTG
CE
SYS
BAT
QON
TS
1μH
47nF
4.7μF
SYS: 3.5V-4.35V
10μF 10μF
10μF
Optional
REGN
5.52kW
4.2V
PHY
PSEL
Power Pad
31.23kW
10kW
Charge Enable (0°C - 45°C)
www.ti.com
Figure 1. bq24296 with PSEL from PHY, charging from SDP/DCP, and Optional BATFET Enable Interface
5V USB SDP/DCP
USB
1μF
8.2μF
SYS
bq24297
VBUS
SW
PMID
BTST
D+
REGN
D–
PGND
1μH
47nF
4.7μF
SYS: 3.5V-4.35V
10μF 10μF
2.2kW
STAT
SYS
317W(1.5A max)
BAT
VREF
ILIM
QON
10μF
Optional
4.2V
Host
10kW 10kW 10kW
SDA
SCL
INT
TS
OTG
CE
Power Pad
REGN
5.52kW
31.23kW
10kW
Charge Enable (0°C - 45°C)
Figure 2. bq24297 with USB D+/D- Detection, USB On-The-Go (OTG) and Optional BATFET Enable
Interface
4
Submit Documentation Feedback
Product Folder Links: bq24296 bq24297
Copyright © 2013, Texas Instruments Incorporated