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APW8855 데이터시트(HTML) 1 Page - Anpec Electronics Coropration

부품명 APW8855
상세내용  High Current, High Frequency 7 Outputs Voltage Regulator and Power Management IC for High Performance Tablet and Ultra Notebook Applications
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제조사  ANPEC [Anpec Electronics Coropration]
홈페이지  http://www.anpec.com.tw
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APW8855 데이터시트(HTML) 1 Page - Anpec Electronics Coropration

 
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Copyright
© ANPEC Electronics Corp.
Rev. A.1 - Dec., 2015
APW8855
www.anpec.com.tw
1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
High Current, High Frequency 7 Outputs Voltage Regulator and Power
Management IC for High Performance Tablet and Ultra Notebook Applica-
tions
3.Features
1.General Description
Voltage Rail
Provide 3 Buck PWM Controllers with High
Accuracy over Temperature
-VR1 provides 5V, 4A continuous output current.
-VR2 provides 3.3V, 8A continuous output current.
-VR5 provides 0.95V, 8A continuous output current.
Provide 2 Buck PWM Converters with High
Accuracy over Temperature
-VR3 provides 1.8V, 2.5A continuous output current.
-VR3 provides 1.5V, 2.5A continuous output current.
Provide 2 LDO Outputs with High Accuracy over
Temperature
-VR6 provides a low quiescent LDO output for RTC.
-VR7 provides a 0.65V to1.35V, 0.2A LDO output.
Built in Current limit, Over Voltage protection and
Over temperature protection
Serial Interface
I2C communication Interface for SoC Access
Support Bit Rate 0.4MBit/s, 1MBit/s and 3.4MBit/s
Power Sequence Control by CTL
Built-in Thermal Diode and I2C Reading Function
for Temperature Sensing
POK Signal for VR power state.
4x4 TQFN-32A Package.
2.Applications
High Performance Tablet PCs
Ultra Notebook PCs
Netbook PCs
High Performance Digital Signage
Medical Devices
Smart phones
The APW8855 is a Power Management IC (PMIC) de-
signed to provide 7 Voltage regulators for AMD
’s Stoney
Ridge APU with ability to communicate via an I2C interface.
The IC operates from a wide input voltage of 5.5V to 20V.
There are 5 Switching Buck regulators and 2 low power
LDOs that are all controlled and sequenced via the serial
interface. The Buck PWM regulators consists of 3 switch-
ing controller driving external power stage such as
APW8703 which is capable of supplying up to 8A supply,
2 single phase switching regulators supplying up to 3A
supply.
The IC is equipped with all the standard protection fea-
tures such as over current, over voltage and internal un-
der voltage lock out protection. The serial interface is an
I2C communication interface which allows supply se-
quencing as well as controlled supply ramp up and ramp
down of all supplies except for the always on 1.5V LDO
supplying to RTC load. The IC is offered in TQFN4x4-32A
package.


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