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APW8855 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - Anpec Electronics Coropration

๋ถ€ํ’ˆ๋ช… APW8855
์ƒ์„ธ๋‚ด์šฉ  High Current, High Frequency 7 Outputs Voltage Regulator and Power Management IC for High Performance Tablet and Ultra Notebook Applications
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์ œ์กฐ์‚ฌ  ANPEC [Anpec Electronics Coropration]
ํ™ˆํŽ˜์ด์ง€  http://www.anpec.com.tw
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APW8855 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - Anpec Electronics Coropration

 
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Copyright
ยฉ 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
โ€ข
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.
โ€ข
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.
โ€ข
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.
โ€ข
Built in Current limit, Over Voltage protection and
Over temperature protection
Serial Interface
โ€ข
I2C communication Interface for SoC Access
โ€ข
Support Bit Rate 0.4MBit/s, 1MBit/s and 3.4MBit/s
โ€ข
Power Sequence Control by CTL
โ€ข
Built-in Thermal Diode and I2C Reading Function
for Temperature Sensing
โ€ข
POK Signal for VR power state.
โ€ข
4x4 TQFN-32A Package.
2.Applications
โ€ข
High Performance Tablet PCs
โ€ข
Ultra Notebook PCs
โ€ข
Netbook PCs
โ€ข
High Performance Digital Signage
โ€ข
Medical Devices
โ€ข
Smart phones
The APW8855 is a Power Management IC (PMIC) de-
signed to provide 7 Voltage regulators for AMD
โ€™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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