BQ25713 datasheet(66/111 Pages) TI2

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Table 8-31. ChargeOption2 Register (I2C address = 32h) Field Descriptions

BIT

FIELD

TYPE

RESET

DESCRIPTION

EN_EXTILIM

R/W

Enable ILIM_HIZ pin to set input current limit

0b: Input current limit is set by IIN_DPM register..

1b: Input current limit is set by the lower value of ILIM_HIZ pin and

IIN_DPM register.. <default at POR>

EN_ICHG_IDCHG

R/W

0b: IBAT pin as discharge current. <default at POR>

1b: IBAT pin as charge current.

Q2_OCP

R/W

Q2 OCP threshold by sensing Q2 VDS

0b: 210 mV

1b: 150 mV <default at POR>

ACX_OCP

R/W

Fixed Input current OCP threshold by sensing ACP-ACN, converter

is disabled immediately when triggered non latch protection resume

switching automatically after ACX comparator release.

0b: 280 mV(RSNS_RAC=0b)/200 mV(RSNS_RAC=1b)

1b: 150 mV(RSNS_RAC=0b)/100 mV(RSNS_RAC=1b) <default at

POR>

EN_ACOC

R/W

ACOC Enable

Configurable Input overcurrent (ACOC) protection by sensing the

voltage across ACP and ACN. Upon ACOC (after 250-μs blank-out

time), converter is disabled. Non latch fault, after 250-ms falling edge

de-glitch time converter starts switching automatically.

0b: Disable ACOC <default at POR>

1b: ACOC threshold 133% or 200% ILIM2

ACOC_VTH

R/W

ACOC Limit

Set MOSFET OCP threshold as percentage of IIN_DPM with current

sensed from RAC.

0b: 133% of ILIM2

1b: 200% of ILIM2 <default at POR>

EN_BATOC

R/W

BATOC

Battery discharge overcurrent (BATOC) protection by sensing the

voltage across SRN and SRP. Upon BATOC, converter is disabled.

0b: Disable BATOC

1b: Enable BATOC threshold 133% or 200% PROCHOT IDCHG_TH2

BATOC_VTH

R/W

Set battery discharge overcurrent threshold as percentage of

PROCHOT battery discharge current limit. Note when SRN and SRP

common voltage is low for 1S application, the BATOC threshold could

be derating.

0b: 133% of PROCHOT IDCHG_TH2

1b: 200% of PROCHOT IDCHG _TH2<default at POR>

BQ25730

SLUSE65A – FEBRUARY 2021 – REVISED JANUARY 2024

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