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RT3638AE - Triple Channel PWM Controller

Datasheet Summary

Description

The RT3638AE is an IMVP9.2 compliant CPU power controller which includes three voltage rails: an 8-phase synchronous buck controller for VCCCORE VR, a single-phase synchronous buck controller for VCCGT VR and a single -phase synchronous buck controller for VCCSA VR.

Features

  • a new generation of quick response mechanism (Adaptive Quick Response, AQR) to optimize AVP performance during load transient and reduce output capacitors. The RT3638AE supports mode transition function with various operating states. A serial VID (SVID) interface is built in to communicate with Intel IMVP9.2 compliant CPU. The RT3638AE offers built-in non-volatile memory (NVM) for platform setting functions, such as ICCMAX, switching frequency or AQR trigger level. The RT3638AE provides VR ready.

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Datasheet Details

Part number RT3638AE
Manufacturer Richtek
File Size 2.36 MB
Description Triple Channel PWM Controller
Datasheet download datasheet RT3638AE Datasheet
Additional preview pages of the RT3638AE datasheet.

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Full PDF Text Transcription

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RT3638AE Triple Channel PWM Controller with I2C Interface Control for IMVP9.2 CPU Core Power Supply 1 General Description The RT3638AE is an IMVP9.2 compliant CPU power controller which includes three voltage rails: an 8-phase synchronous buck controller for VCCCORE VR, a single-phase synchronous buck controller for VCCGT VR and a single -phase synchronous buck controller for VCCSA VR. The output of each rail can be configured to support desired phase assignments up to a maximum phase count of 8 phases for VCCCORE, single phase for VCCGT and single phase for VCCSA. For example, the RT3638AE supports output operations of 8+1+1, 7+1+1, 6+1+1, etc. The RT3638AE supports Smart Phase Management (SPM) feature, to achieve maximum efficiency in all load range.
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