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ACT88320 Datasheet(PDF) 6 Page - Qorvo, Inc

Part # ACT88320
Description  Advanced PMU with Inrush Control and Bypass Switch
PDF  57 Pages
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Manufacturer  QORVO [Qorvo, Inc]
Direct Link  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT88320 Datasheet(HTML) 6 Page - Qorvo, Inc

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Data Sheet Rev. E, November 2019 | Subject to change without notice
6 of 57
www.qorvo.com
© 2020 Qorvo US, Inc. All rights reserved.
ACT88320
Advanced PMU with Inrush Control and Bypass Switch
PIN DESCRIPTIONS
PIN
NAME
DESCRIPTION
1,2
VIN
Dedicated VIN power input for BUCK3. Connect the BUCK3 input caps directly to these pins
3
SW_B3
Switch Pin for BUCK3 Regulator
4
OVSNS
Analog VIN+ Input. Used to monitor and start inrush control FET
5
OVSNS_M
Analog VIN- Input. Used to monitor current in external resistor (RSNS)
6
OVGATE
Gate drive for the inrush control FET. Voltage is typically 8V above VIN which requires a 12V
n-ch FET.
7,8
PGND
Power Ground for Buck3. Connect the BUCK3 input caps directly to these pins.
9
SDA
I2C Data Input and Output
10
SCL
I2C Clock Input
11
GPIO4 / DVS
GPIO. Configured as a dynamic voltage scaling input.
12
GPIO3 / nIRQ
GPIO. Configured as an interrupt (IRQ) open drain output.
13
GPIO1 / nRESET GPIO. Configured as an nRESET open drain output
14
GPIO2 / EXT_EN GPIO. Configured as an open drain output to enable an external power supply
15
VIO
Digital input reference voltage. Connect a 1uF capacitor between VIO and AGND
16
FB_B1
Feedback for BUCK1 regulator. Connect directly to the Buck1 output capacitor.
17, 18
VIN
Dedicated VIN power input for BUCK1. Connect the Buck1 input caps directly to these pins.
19, 20
SW_B1
Switch pin for BUCK1 Regulator
21
PGND
Power Ground for BUCK1 and BUCK2. Connect BUCK1 and BUCK2 input caps directly to this pin.
22
SW_B2
Switch Pin for BUCK2 Regulator
23, 24
VIN
Dedicated VIN power input for BUCK2. Connect the BUCK2 input caps directly to these pins.
25
FB_B2
Feedback for BUCK2 Regulator
26
PWREN
Power Enable Digital Input
27
AVIN
Dedicated VIN power input for LDO1 & 2 Regulators and Analog VIN Input
28
OUT_LDO2
Output for LDO2 Regulator
29
OUT_LDO1
Output for LDO1 Regulator
30
LSG1
Output1 Load Switch Gate driver
31
AGND
Analog Ground
32
FB_B3
Feedback for BUCK3 Regulator
33
Exposed Pad
Must be soldered to the top layer ground plane.



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