ACT88430 datasheet(7/74 Pages) QORVO

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Data Sheet Rev. G, August 2021 | Subject to change without notice

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ACT88430

Advanced PMU for Microcontrollers and Solid State Drive Applications

PIN DESCRIPTIONS

(QFN)

Ball (CSP)

NAME

DESCRIPTION

IRQ

Interrupt IRQ Open Drain Output indicates a fault occurred.

2,3

A1, A2, A3

PGND1

Dedicated Power Ground for BUCK1 Regulator.

POK

Power OK Open Drain Output, indicates Overvoltage or Undervoltage on VIN in-

put supply.

PGND2

Dedicated Power Ground for Buck 2 Regulator.

A4, B4

SW_B2

Switch Pin for BUCK2 Regulator.

VIN_B2

Dedicated VIN power input for BUCK2 Regulator.

FB_B2

Feedback for BUCK2 Regulator. Connect to the BUCK2 output.

OUT_LDO1

Output for LDO1 Regulator (Leave unconnected if LDO1 is not used and disa-

bled).

VIN_LDO1

Dedicated VIN power input for LDO1 Regulator.

nRESET_AUX2

A configurable auxiliary reset signal. Open Drain Output (configurable as an in-

put).

nRESET_AUX1

A configurable auxiliary reset signal. Open Drain Output (configurable as an in-

put).

SCL

I2C Clock Input.

nRESET

nRESET Open Drain Output. This pin is configurable.

SDA

I2C Data Input and Output.

AGND

Analog Ground.

PWREN

Power Enable Digital Input. This pin is configurable.

EXT_EN

External Regulator Enable Push-Pull Digital Output.

EXT_PG

External Power Good Digital Input. This pin is configurable.

VIO_IN

Digital Input Reference Voltage Input. Connect a 0.1uF ceramic capacitor be-

tween VIN_IN and AGND

OUT_LDO2

Output for LDO2 Regulator (Leave unconnected if LDO2 is not used and disa-

bled).

VIN_LDO23

Dedicated VIN power input for LDO2 and LDO3 Regulator.

OUT_LDO3

Output for LDO3 Regulator (Leave unconnected if LDO3 is not used and disa-

bled).

FB_B3

Feedback for BUCK3 Regulator. Connect to the BUCK3 output.

VIN_B3

Dedicated VIN power input for BUCK3 Regulator.

G3, H3

SW_B3

Switch Pin for BUCK3 Regulator.

PGND3

Dedicated Power Ground for BUCK3 Regulator.

PGND4

Dedicated Power Ground for BUCK4 Regulator.

FB_B4

Feedback for BUCK4 Regulator. Connect to the BUCK4 output.

MODE

Configuration input pin. This pin is read at power up to configure BUCK1.

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