BQ24392_15 Datasheet, PDF (3/22 Pages) Texas Instruments – bq24392 Dual SPST USB 2.0 High Speed Switch with USB Battery Charging Specification Revision 1.2 Detection

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5 Pin Configuration and Functions
RESR
(TOP VIEW)
CHG_DET
bq24392
SLIS146C – JUNE 2012 – REVISED JANUARY 2015
SW_OPEN 1
10
9 VBUS
DM_HOST ²
8 _{DM_CON}
DP_HOST ³
7 _{DP_CON}
CHG_AL_N ⁴
5
6 GND
PIN
NO. NAME
1 SW_OPEN
2 DM_HOST
3 DP_HOST
4 CHG_AL_N
5 GOOD_BAT
6 GND
7 DP_CON
8 DM_CON
9 VBUS
10 CHG_DET
GOOD_BAT
Pin Functions
I/O DESCRIPTION
USB switch status indicator
O
Open-drain output. 10kΩ external pull-up resistor required.
SW_OPEN = LOW indicates when switch is connected
SW_OPEN = HIGH-Z indicates when then switch is not connected
I/O D– signal to transceiver
I/O D+ signal to transceiver
Charging status indicator
O
Open-drain output. 10kΩ external pull-up resistor required
CHG_AL_N = LOW indicates when charging is allowed
CHG_AL_N = HIGH-Z indicates when charging is not allowed
Battery status indication from system
I GOOD_BAT = LOW indicates a dead battery
GOOD_BAT = HIGH indicates a good battery
- Ground
I/O D+ signal from USB connector
I/O D– signal from USB connector
I Supply pin from USB connector
Charger detection indicator
O
Push-Pull output to system
CHG_DET = LOW indicates when a charger is not detected
CHG_DET = HIGH indicates when a charger detected
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