ACT2861 datasheet(71/97 Pages) QORVO

71 / 97 page

Data Sheet Rev. F, April 2022 | Subject to change without notice

71 of 97

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ACT2861

30V Buck-Boost Charger with Integrated MOSFETs and OTG

REG 0x03: Charger Status (Read only) (VM)

Bit

Name

Description

Comment

EN_CHG_PIN_STAT

0: EN < 0.8V

1: EN > 0.8V

Real time status of the EN_CHG Input PIN

Threshold shown does not include hystersis

THERMAL_ACTIVE

0: Not in thermal regulation

1: Thermal regulation

Active

Thermal Regulation Active in Charge AND OTG Mode

INPUT_IINLIM_STAT

0: Not in IINLIM

1: In IINLIM

Charger Mode Only

INPUT_VINLIM_STAT

0: Not in VINLIM

1: In VINLIM

Charger Mode Only

CHG_STATUS[3]

0000: RESET

SCOND or SCOND_DB

0010: SCSUSPEND

0011: PCOND

0100: PCSUSPEND

0101: FASTCHG

0110: FCSUSPEND

0111: CHGFULL

1000: CFSUSPEND

1001: CHGTERM

1010: CTSUSPEND

1011: FAULT

State machine for charger status

See Section 1.2.2. for further information

Notes:

When not in Charge State, status is always RESET

(0000)

Check Register 0x06 Bit 0 to determine if Battery is below

Dead Battery level.

1100 – 1111: Not Valid

CHG_STATUS[2]

CHG_STATUS[1]

CHG_STATUS[0]

ACT2861 Datasheet(PDF) 71 Page - Qorvo, Inc

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