BQ24250C_15 Datasheet, PDF (32/46 Pages) Texas Instruments – bq24250C 2A Single Input I2C, Standalone Switch-Mode Li-Ion Battery Charger with Power-Path Management

bq24250C
SLUSBY7 – JULY 2014
www.ti.com
BIT
B7(MSB)
B6
B5
B4
B3
B2
B1
B0(LSB)
NAME
2XTMR_EN
TMR_1
TMR_2
SYSOFF
TS_EN
TS_STAT2
TS_STAT1
TS_STAT0
Register #6
Memory location: 05, Reset state: 101x 1xxx
READ/WRITE FUNCTION
Read/Write
Read/Write
Read/Write
0 – Timer not slowed at any time
1 – Timer slowed by 2x when in thermal regulation, V_{IN_DPM} or DPPM (default 1)
Safety Timer Time Limit
00 – 0.75 hour fast charge
01 – 6 hour fast charge (default 01)
10 – 9 hour fast charge
11 – Disable safety timers
Read/Write
0 – SYSOFF disabled
1 – SYSOFF enabled
Read/Write
0 – TS function disabled
1 – TS function enabled (default 1)
Read only
Read only
Read only
TS Fault Mode:
000 – Normal, No TS fault
100 – TS temp < T_COLD (Charging suspended for JEITA and Standard TS)
101 – T_FREEZE < TS temp < T_COLD (Charging at 3.9V and 100mA and only for PSE option
only)
110 – TS temp < T_FREEZE (Charging suspended for PSE option only)
111 – TS open (TS disabled)
2xTMR_EN
SYSOFF
TS_EN
TS_STAT
When set to a ‘1’, the 2x Timer function is enabled and allows for the timer to be
extended if a condition occurs where the charge current is reduced (i.e. V_{IN_DPM},
thermal regulation, etc.). When set to a ‘0’, this function is disabled and the normal
timer will always be executed independent of the current reduce conditions.
When set to a ‘1’ and the input is removed, the internal battery FET is turned off in
order to reduce the leakage from the BAT pin to less than 1µA. Note that this
disconnects the battery from the system. When set to a ‘0’, this function is disabled.
Enables and disables the TS function. When set to a ‘0’ the TS function is disabled
otherwise it is enabled. Only applies to spins that have a TS pin.
Provides status of the TS pin state for spins that have a TS pin.
32
Submit Documentation Feedback
Product Folder Links: bq24250C
Copyright © 2014, Texas Instruments Incorporated