ACT88325VA
Rev 1.0, 23-May-2018
PIN DESCRIPTIONS
PIN
NAME
DESCRIPTION
A1
B1
FB_B3
LDO1
Feedback for Buck3 Regulator. Connect directly to the Buck3 output capacitor.
Output for LDO1 Regulator
C1
AVIN
Dedicated VIN Power Input for LDO1 & LDO2 Regulators and Analog VIN Input
Output for LDO2 Regulator
D1
LDO2
E1
PWREN
FB_B2
VIN_B3
LSG
Power Enable Digital Input
F1
Feedback for Buck2 Regulator. Connect directly to the Buck2 output capacitor.
Dedicated Buck3 VIN Power Input. Connect the Buck3 input caps directly to these pins
Load Switch Gate Driver Output
A2, B2
C2
D2, E2, F2
A3, A4
D3, E3, F3
D4, E4, F4
A5
VIN_B2
SW_B3
SW_B2
PGND12
PGND3
SW_B1
AGND
Dedicated Buck2 VIN Power Input. Connect the Buck2 input caps directly to these pins.
Switch Pin for Buck3 Regulator
Switch Pin for Buck2 Regulator
Power Ground for Buck1 and Buck2. Connect the Buck1 and Buck2 input caps directly to these pins.
Power Ground for Buck3. Connect the Buck3 input caps directly to these pins.
Switch Pin for Buck1 Regulator
D5, E5, F5
A6
Analog Ground
B6
GPIO3 / nIRQ
GPIO2
VIN_B1
SDA
General Purpose I/O Port 3. Typically configured as an interrupt (IRQ) open drain output.
General Purpose I/O Port 2. Can be configured for several different functions.
Dedicated Buck1 VIN Power Input. Connect the Buck1 input caps directly to these pins.
I2C Data Input and Output
C6
D6, E6, F6
A7
B7
SCL
I2C Clock Input
General Purpose I/O Port 1. Typically configured as a dynamic voltage scaling input or voltage select
input.
C7
GPIO1 / DVS
D7
E7
F7
GPIO4 / nRESET
VIN_IO
General Purpose I/O Port 4. Typically configured as an nRESET open drain output
Digital Input Reference Voltage Input
FB_B1
Feedback for Buck1 Regulator. Connect directly to the Buck1 output capacitor.
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Copyright © 2018 Active-Semi, Inc
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ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
