BQ25890_16 Datasheet, PDF (38/69 Pages) Texas Instruments – Adjustable Voltage USB On-the-Go Boost Mode

bq25890, bq25892
SLUSC86B – MARCH 2015 – REVISED MAY 2016
9.4 Register Maps
I2C Slave Address: 6AH (1101010B + R/W) (bq25890)
I2C Slave Address: 6BH (1101011B + R/W) (bq25892)
9.4.1 REG00
Figure 26. REG00
7
6
5
4
3
2
0
1
0
0
1
0
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
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1
0
0
0
R/W
R/W
Bit
Field
7
EN_HIZ
6
EN_ILIM
5
IINLIM[5]
4
IINLIM[4]
3
IINLIM[3]
2
IINLIM[2]
1
IINLIM[1]
0
IINLIM[0]
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 9. REG00
Reset
by REG_RST
by Watchdog
by REG_RST
by Watchdog
by REG_RST
by REG_RST
by REG_RST
by REG_RST
by REG_RST
by REG_RST
Description
Enable HIZ Mode
0 – Disable (default)
1 – Enable
Enable ILIM Pin
0 – Disable
1 – Enable (default: Enable ILIM pin (1))
1600mA
800mA
400mA
200mA
100mA
50mA
Input Current Limit
Offset: 100mA
Range: 100mA (000000) – 3.25A (111111)
Default:0001000 (500mA)
(Actual input current limit is the lower of I2C or ILIM pin)
IINLIM bits are changed automaticallly after input source
type detection is completed
bq25890
USB Host SDP = 500mA
USB CDP = 1.5A
USB DCP = 3.25A
Adjustable High Voltage (MaxCharge) DCP = 1.5A
Unknown Adapter = 500mA
Non-Standard Adapter = 1A/2A/2.1A/2.4A
bq25892
PSEL= Hi (USB500) = 500mA
PSEL= Lo = 3.25A
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