BQ24196_17 Datasheet, PDF (27/50 Pages) Texas Instruments – I2C Controlled 2.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

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bq24196
SLUSB98A – OCTOBER 2012 – REVISED DECEMBER 2014
8.5.1 I²C Registers
Address: 6BH. REG00-07 support Read and Write. REG08-0A are read only.
8.5.1.1 Input Source Control Register REG00 (reset = 00110000, or 30)
Figure 25. REG00 Input Source Control Register Format
7
6
5
4
EN_HIZ
VINDPM[3]
VINDPM[2]
VINDPM[1]
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
3
VINDPM[0]
R/W
2
IINLIM[2]
R/W
1
IINLIM[1]
R/W
0
IINLIM[0]
R/W
Table 7. REG00 Input Source Control Register Description
BIT FIELD
TYPE RESET
DESCRIPTION
Bit 7 EN_HIZ
R/W 0
0 – Disable, 1 – Enable
Input Voltage Limit
Bit 6 VINDPM[3]
R/W 0
640 mV
Bit 5 VINDPM[2]
R/W 1
320 mV
Bit 4 VINDPM[1]
R/W 1
160 mV
Bit 3 VINDPM[0]
R/W 0
80 mV
Input Current Limit (Actual input current limit is the lower of I²C and ILIM)
Bit 2
Bit 1
Bit 0
IINLIM[2]
IINLIM[1]
IINLIM[0]
R/W 0
R/W 0
R/W 0
000 – 100 mA, 001 – 150 mA,
010 – 500 mA,
011 – 900 mA, 100 – 1.2 A,
101 – 1.5 A,
110 – 2 A, 111 – 3 A
Default: Disable (0)
Offset 3.88 V, Range: 3.88 V to 5.08 V
Default: 4.36 V (0110)
Default SDP: 100 mA (000)(OTG pin = 0) or 500
mA (010)
(OTG pin = 1)
Default DCP/CDP: 3 A (111)
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