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ACT88321 Datasheet(PDF) 6 Page - Qorvo, Inc

Part # ACT88321
Description  Advanced PMIC with 3 Bucks, 2 LDOs, and Load Bypass Switches
PDF  55 Pages
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Manufacturer  QORVO [Qorvo, Inc]
Direct Link  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT88321 Datasheet(HTML) 6 Page - Qorvo, Inc

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ACT88321
Advanced PMIC with 3 Bucks, 2 LDOs, and Load Bypass Switches
Datasheet Rev. D , June 17, 2022 | Subject to change without notice
6 of 55
www.qorvo.com
®
PIN DESCRIPTIONS
Ball (CSP)
NAME
DESCRIPTION
A3
PGND1
Dedicated Power Ground for Buck1 Regulator.
B3
n/a
B3 is unused and does not have a package bump that can be soldered to the PCB
E3, F3
PGND23
Dedicated Power Ground for Buck2 and Buck3 Regulators
E4, F4
SW_B2
Switch Pin for Buck2 Regulator.
F5
VIN_B2
Dedicated VIN power input for Buck 2 Regulator.
E5
FB_B2
Feedback for Buck2 Regulator. Connect to the Buck2 output capacitor.
A5
LDO1
Output for LDO1 Regulator (Leave unconnected if LDO1 is not used and disabled).
A4
VIN_LDO
Dedicated VIN power input for LDO1 Regulator.
C4
SCL
I2C Clock Input.
C3
SDA
I2C Data Input and Output.
D5
AGND
Analog Ground. Kelvin connect to the other ground pins on the IC.
B5
LDO2
Output for LDO2 Regulator (Leave unconnected if LDO2 is not used and disabled).
E1
FB_B3
Feedback for Buck3 Regulator. Connect to the Buck3 output capacitor.
F1
VIN_B3
Dedicated VIN power input for Buck3 Regulator.
F2
SW_B3
Switch Pin for Buck3 Regulator.
E2
n/a
E2 is unused and does not have a package bump that can be soldered to the PCB
D2
GPIO2
Configurable general-purpose input/open drain output.
C2
n/a
C2 is unused and does not have a package bump that can be soldered to the PCB
C5
GPIO4
Configurable general-purpose input/open drain output.
D3
GPIO5
Configurable general-purpose input/open drain output.
D4
n/a
D4 is unused and does not have a package bump that can be soldered to the PCB
D1
GPIO7
Configurable general-purpose input/open drain output.
C1
FB_B1
Feedback for Buck1 Regulator. Connect to the Buck1 output capacitor.
B4
AVIN
Analog Input supply and power input for LDO2. This is also the pin that is monitored for VIN
OV and UV. AVIN must be the highest voltage applied to the IC.
A1, B1
VIN_B1
Dedicated VIN power input for Buck1 Regulator.
A2, B2
SW_B1
Switch pin for Buck1 Regulator.



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