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ACT8891 Datasheet(PDF) 21 Page - Active-Semi, Inc

Part # ACT8891
Description  Advanced PMU for Rockchip RK2918 Processor
PDF  30 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8891 Datasheet(HTML) 21 Page - Active-Semi, Inc

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ACT8891
Rev 1, 06-Sep-13
Innovative PowerTM
- 21 -
www.active-semi.com
Copyright © 2013 Active-Semi, Inc.
Active-Semi Proprietary―For Authorized Recipients and Customers
ActivePMU
TM is a trademark of Active-Semi.
I2CTM is a trademark of NXP.
The ACT8891 is optimized for use in applications
using the Rockchip RK2918 processor, supporting
both the power domains as well as the signal
interface for these processors.
The following paragraphs describe how to design
ACT8891 with RK2918 processor.
SYSTEM CONTROL INFORMATION
Interfacing with the Rockchip RK2918 Processor
Table 2:
ACT8891 and Rockchip RK2918 Power Domains
POWER DOMAIN
ACT8891 CHANNEL
TYPE
DEFAULT VOLTAGE
CURRENT CAPABILITY
IO
REG1
DC/DC
3.0V
1150mA
DDR3
REG2
DC/DC
1.5V
1150mA
Core
REG3
DC/DC
1.2V
1300mA
HDMI_CORE, CODEC_1.8V
REG4
LDO
1.8V
320mA
xPLL, USB_PHY_1.2V
REG5
LDO
1.2V
320mA
USB_PHY_3.3V, CODEC
REG6
LDO
3.3V
320mA
USB_PHY_2.5V,
ARMPLL, ADC
REG7
LDO
2.5V
320mA
Table 4:
Control Pins
PIN NAME
OUTPUT
nPBIN
REG1, REG2, REG3, REG4, REG5, REG6, REG7
PWRHLD
REG1, REG2, REG3, REG4, REG5, REG6, REG7
ACT8891
DIRECTION
RK2918
SCL
I2C3_SCL
SDA
I2C3_SDA
VSEL
GPIO4_D0
nRSTO
NPOR
nIRQ
BAT_LOW
nPBSTAT
Power_KEY
PWRHLD
Power_ON
Table 3:
ACT8891 and RK2918 Signal Interface



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