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ACT8870 Datasheet(PDF) 6 Page - Qorvo, Inc

Part # ACT8870
Description  Advanced PMU for Microcontrollers and Solid State Drive Applications
PDF  49 Pages
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Manufacturer  QORVO [Qorvo, Inc]
Direct Link  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT8870 Datasheet(HTML) 6 Page - Qorvo, Inc

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ACT8870
Advanced PMU for Microcontrollers
and Solid State Drive Applications
Data Sheet Rev. 7.0, Feb. 18, 2020 | Subject to change without notice
6 of 49
www.qorvo.com
®
PIN DESCRIPTIONS - QFN
PIN
NAME
DESCRIPTION
1
IRQ
Interrupt IRQ Open Drain Output indicates a fault occurred.
2,3
PGND1
Dedicated Power Ground for BUCK1 Regulator.
4
POK
Power OK Open Drain Output, indicates Overvoltage or Undervoltage on VIN input supply.
5
PGND2
Dedicated Power Ground for Buck 2 Regulator.
6
SW_B2
Switch Pin for BUCK2 Regulator.
7
VIN_B2
Dedicated VIN power input for BUCK2 Regulator.
8
FB_B2
Feedback for BUCK2 Regulator. Connect to the BUCK2 output.
9
OUT_LDO1
Output for LDO1 Regulator (Leave unconnected if LDO1 is not used and disabled).
10
VIN_LDO1
Dedicated VIN power input for LDO1 Regulator.
11
nRESET_AUX2 Auxiliary nRESET configurable, Open Drain Output (configurable as an input).
12
nRESET_AUX1 Auxiliary nRESET configurable. Open Drain Output (configurable as an input).
13
SCL
I2C Clock Input.
14
nRESET
nRESET Open Drain Output. This pin is configurable.
15
SDA
I2C Data Input and Output.
16
AGND
Analog Ground.
17
PWREN
Power Enable Digital Input. This pin is configurable.
18
EXT_EN
External Regulator Enable Push-Pull Digital Output.
19
EXT_PG
External Power Good Digital Input. This pin is configurable.
20
VIO_IN
Digital Input Reference Voltage Input. Connect a 0.1uF ceramic capacitor between VIN_IN and
AGND
21
OUT_LDO2
Output for LDO2 Regulator (Leave unconnected if LDO2 is not used and disabled).
22
VIN_LDO23
Dedicated VIN power input for LDO2 and LDO3 Regulator.
23
OUT_LDO3
Output for LDO3 Regulator (Leave unconnected if LDO3 is not used and disabled).
24
FB_B3
Feedback for BUCK3 Regulator. Connect to the BUCK3 output.
25
VIN_B3
Dedicated VIN power input for BUCK3 Regulator.
26
SW_B3
Switch Pin for BUCK3 Regulator.
27
PGND3
Dedicated Power Ground for BUCK3 Regulator.
28
PGND4
Dedicated Power Ground for BUCK4 Regulator.
29
FB_B4
Feedback for BUCK4 Regulator. Connect to the BUCK4 output.
30
MODE
Configuration input pin. This pin is read at power up to configure BUCK1.
31
SW_B4
Switch Pin for BUCK4 Regulator.
32
VIN_B4
Dedicated VIN power input for BUCK4 Regulator.
33
GPIO
Configurable General purpose input/open drain output.



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