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© Semiconductor Components Industries, LLC, 2012
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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