BQ24296_15 Datasheet, PDF (34/55 Pages) Texas Instruments – bq2429x I2C Controlled 3-A Single Cell USB Charger With Narrow VDC Power Path Management and Adjustable Voltage USB OTG

bq24296, bq24297
SLUSBP6B – SEPTEMBER 2013 – REVISED NOVEMBER 2014
9.6.1.2 Power-On Configuration Register REG01 [reset = 00011011, or 0x1B]
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Figure 30. Power-On Configuration Register REG01 Format
7
Register Reset
6
I²C Watchdog
Timer Reset
R/W
R/W
LEGEND: R/W = Read/Write
5
4
OTG_CONFIG CHG_CONFIG
R/W
R/W
3
SYS_MIN[2]
R/W
2
SYS_MIN[1]
R/W
1
SYS_MIN[0]
R/W
Table 9. Power-On Configuration Register REG01 Field Description
0
BOOST_LIM
R/W
BIT FIELD
TYPE
Bit 7 Register Reset R/W
Bit 6 I²C Watchdog R/W
Timer Reset
Charger Configuration
Bit 5 OTG_CONFIG R/W
RESET
0
0
DESCRIPTION
0 – Keep current register setting,
1 – Reset to default
0 – Normal ; 1 – Reset
0
0 – OTG Disable; 1 – OTG Enable⁽¹⁾
Bit 4 CHG_CONFIG R/W
1
Minimum System Voltage Limit
Bit 3 SYS_MIN[2] R/W
1
Bit 2 SYS_MIN[1] R/W
0
Bit 1 SYS_MIN[0] R/W
1
Boost Mode Current Limit
Bit 0 BOOST_LIM R/W
1
0- Charge Disable; 1- Charge Enable⁽¹⁾
0.4 V
0.2 V
0.1 V
0 – 1 A, 1 – 1.5 A
NOTE
Default: Keep current register setting (0)
Note: Register Reset bit does not reset
device to default mode
Default: Normal (0)
Note: Consecutive I²C watchdog timer
reset requires minimum 20-µs delay
Default: OTG disable (0)
Note: OTG_CONFIG would over-ride
Charge Enable Function in
CHG_CONFIG
Default: Charge Battery (1)
Offset: 3.0 V, Range 3.0 V – 3.7 V
Default: 3.5 V (101)
Default: 1.5 A (1)
(1) The CHG_CONFIG and OTG_CONFIG bits cannot be set at the same time.
34
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