NCP6132BMNR2G datasheet(1/31 Pages) ONSEMI

Part #	NCP6132BMNR2G

Description	Dual Output 3 Phase & 2 Phase Controller with Single SVID Interface for Desktop and Notebook CPU Applications

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Manufacturer	ONSEMI [ON Semiconductor]

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March, 2012 − Rev. P1

1

Publication Order Number:

NCP6132A/D

NCP6132A, NCP6132B

Product Preview

Dual Output 3 Phase & 2

Phase Controller with

Single SVID Interface for

Desktop and Notebook CPU

Applications

The NCP6132A/NCP6132B dual output three plus two phase buck

solution is optimized for Intel IMVP−7 and VR12 compatible CPUs.

The controller combines true differential voltage sensing, differential

inductor DCR current sensing, input voltage feed−forward, and

adaptive voltage positioning to provide accurately regulated power for

both Desktop and Notebook applications. The control system is based

on Dual−Edge pulse−width modulation (PWM) combined with DCR

current sensing providing the fastest initial response to dynamic load

events and reduced system cost. It also sheds to single phase during

light load operation and can auto frequency scale in light load while

maintaining excellent transient performance.

There are three internal MOSFET drivers inside the chip. One of

these three integrated driver can be configured either to drive core

phase or aux phase. NCP6132A and NCP6132B have almost same

structure except that NCP6132A has two integrated drivers for the

core rail and one integrated driver for auxiliary rail, while the

NCP6132B has all three integrated drivers for the core rail.

Features

• Meets Intel’s VR12/IMVP7 Specifications

• Three Phase CPU Voltage Regulator, and Two Phase Auxiliary

Voltage Regulator, with Three Internal MOSFET Drivers in Total

• Current Mode Dual Edge Modulation for Fastest Initial Response to

Transient Loading

• Dual High Performance Operational Error Amplifier

• One Digital Soft Start Ramp for Both Rails

• Dynamic Reference Injection

• Accurate Total Summing Current Amplifier

• DAC with Droop Feed−forward Injection

• Dual High Impedance Differential Voltage and Total

Current Sense Amplifiers

• Phase−to−Phase Dynamic Current Balancing

• “Lossless” DCR Current Sensing for Current Balancing

• Summed Thermally Compensated Inductor Current

Sensing for Droop

• True Differential Current Balancing Sense Amplifiers

for Each Phase

• Adaptive Voltage Positioning (AVP)

• Vin Feed Forward Ramp Slope

• Pin Programming for Internal SVID Parameters

• Over Voltage Protection (OVP) & Under Voltage

Protection (UVP)

• Over Current Protection (OCP)

• Dual Power Good Output with Internal Delays

• Pb−free and Halide−free Packages are Available

Applications

• Desktop & Notebook Processors

This document contains information on a product under development. ON Semiconductor

reserves the right to change or discontinue this product without notice.

QFN60

CASE 485BB

MARKING

DIAGRAM

http://onsemi.com

160

NCP6132x

AWLYYWWG

1

x

= A or B

A

= Assembly Location

WL

= Wafer Lot

YY

= Year

WW

= Work Week

G

= Pb−Free Package

Device

Package

Shipping†

ORDERING INFORMATION

NCP6132AMNR2G

QFN60

(Pb−Free)

2500/Tape

& Reel

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

NCP6132BMNR2G

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