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ACT8849 Datasheet(PDF) 6 Page - Active-Semi, Inc

No. de pieza ACT8849
Descripción Electrónicos  Advanced PMU for Multi-core Application Processors
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Fabricante Electrónico  ACTIVE-SEMI [Active-Semi, Inc]
Página de inicio  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8849 Datasheet(HTML) 6 Page - Active-Semi, Inc

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ACT8849
Rev PrB, 12-Jun-14
Innovative PowerTM
- 6 -
www.active-semi.com
Copyright © 2014 Active-Semi, Inc.
Active-Semi Confidential―Do Not Copy or Distribute
ActivePMU
TM is a trademark of Active-Semi.
I2CTM is a trademark of NXP.
PIN DESCRIPTIONS CONT’D
PIN
NAME
DESCRIPTION
26
SW4
Switch Node for REG4.
27
GP14
Power Ground for REG1 and REG4. Connect GP14, GP2, GP3, and GA together at a single
point as close to the IC as possible.
28
SW1
Switch Node for REG1.
29
OUT1
Output Voltage Sense for REG1.
30
VP1
Power Input for REG1. Bypass to GP14 with a high quality ceramic capacitor placed as close
to the IC as possible.
31
nPBIN
Master Enable Input. Drive nPBIN to GA through a 50kΩ resistor to enable the IC, drive
nPBIN directly to GA to assert a Manual-Reset condition.
32
PWRHLD
Power hold Input. PWRHLD is internally pulled down to GA through a 900kΩ resistor.
33
nRSTO
Configured as Power Enable Pin for REG2, REG6, REG7 and REG11.
34
nIRQ
Open-Drain Interrupt Output.
35
GPIO6
General Purpose I/O #6. Configured as REG3 Output Power-OK Status.
36
GPIO5
General Purpose I/O #5. Configured as Power Enable Pin for REG1.
37
OUT13
REG13 output. Bypass it to ground with a 2.2µF capacitor.
38
OUT7
REG7 output. Bypass it to ground with a 2.2µF capacitor.
39
GPIO4
General Purpose I/O #4. Configured as Power Enable Pin for REG5.
40
OUT6
REG6 output. Bypass it to ground with a 2.2µF capacitor.
41
INL1
Power Input for REG5, REG6, REG7.
42
OUT5
REG5 output. Bypass it to ground with a 2.2µF capacitor.
43
GPIO3
General Purpose I/O #3. Configured as Power Enable Pin for REG4.
44
GPIO2
General Purpose I/O #2. Configured as VSELR1 for Voltage Selection of REG1. Drive to
logic low to select default output voltage. Drive to logic high to select secondary output
voltage.
45
GPIO1
General Purpose I/O #1. Configured as VSELR3 for Voltage Selection of REG3. Drive to
logic low to select default output voltage. Drive to logic high to select secondary output
voltage.
46
OUT3
Output Voltage Sense for REG3.
47,48
VP3
Power input for REG3. Bypass to GP3 with a high quality ceramic capacitor placed as close
to the IC as possible.
EP
EP
Exposed Pad. Must be soldered to ground on PCB.


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