BQ25713 datasheet(82/111 Pages) TI2

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8.6.21 InputVoltage(VINDPM) Register (I2C address = 0B/0Ah) [reset =VBUS-1.28V]

To set the input voltage limit, write a 16-bit InputVoltage register command (REG0x0B/0A()) using the data

format listed in Figure 8-36, Table 8-48, and Table 8-49.

If the input voltage drops more than the InputVoltage register allows, the device enters VINDPM and reduces the

charge current. The default setting is 1.28 V below the no-load VBUS voltage. There is a fixed DC offset 3.2 V

for all codes.

Figure 8-36. InputVoltage Register (I2C address = 0B/0Ah) [reset = VBUS-1.28V]

Reserved

Input Voltage,

bit 7

Input Voltage,

bit 6

Input Voltage,

bit 5

Input Voltage,

bit 4

Input Voltage,

bit 3

Input Voltage,

bit 2

R/W

Input Voltage,

bit 1

Input Voltage,

bit 0

Reserved

R/W

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

Table 8-48. InputVoltage Register (I2C address = 0Bh) Field Descriptions

BIT

FIELD

TYPE

RESET

DESCRIPTION

7-6

Reserved

R/W

00b

Not used. 1 = invalid write.

Input Voltage, bit 7

R/W

0 = Adds 0 mV of input voltage.

1 = Adds 8192 mV of input voltage.

Input Voltage, bit 6

R/W

0 = Adds 0 mV of input voltage.

1 = Adds 4096 mV of input voltage.

Input Voltage, bit 5

R/W

0 = Adds 0 mV of input voltage.

1 = Adds 2048 mV of input voltage.

Input Voltage, bit 4

R/W

0 = Adds 0 mV of input voltage.

1 = Adds 1024 mV of input voltage.

Input Voltage, bit 3

R/W

0 = Adds 0 mV of input voltage.

1 = Adds 512 mV of input voltage.

Input Voltage, bit 2

R/W

0 = Adds 0 mV of input voltage.

1 = Adds 256 mV of input voltage.

Table 8-49. InputVoltage Register (I2C address = 0Ah) Field Descriptions

BIT

FIELD

TYPE

RESET

DESCRIPTION

Input Voltage, bit 1

R/W

0 = Adds 0 mV of input voltage.

1 = Adds 128 mV of input voltage.

Input Voltage, bit 0

R/W

0 = Adds 0 mV of input voltage.

1 = Adds 64 mV of input voltage

5-0

Reserved

R/W

000000b

Not used. Value Ignored.

BQ25730

SLUSE65A – FEBRUARY 2021 – REVISED JANUARY 2024

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