BQ24190_15 Datasheet, PDF (29/52 Pages) Texas Instruments – bq2419x I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

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bq24190, bq24192, bq24192I
SLUSAW5B – JANUARY 2012 – REVISED DECEMBER 2014
9.5.1 I²C Registers
Address: 6BH. REG00-07 support Read and Write. REG08-0A are read only.
9.5.1.1 Input Source Control Register REG00 (bq24190, bq24192 reset = 00110000, or 30; bq24192I reset
= 00111000, or 38)
Figure 26. 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 8. 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
(bq24190/92)
1: (bq24192I)
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:
bq24190/bq24192: 4.36 V (0110)
bq24192i: 4.44 V (0111)
Default SDP: 100 mA (000)(OTG pin = 0) or 500
mA (010)
(OTG pin = 1)
Default DCP/CDP:
bq24190/bq24192I: 1.5 A (101),
bq24192: 3 A (111)
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