Datasheet > MP2884A

MP2884A

更新时间： 2024-09-29 17:02:07

品牌	Logo	应用领域
芯源 - MPS		控制器
页数	文件大小	规格书
107页	5235K
描述
多相数字 PWM 控制器，支持 PMBus 和 PWM-VID 协议

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MP2884A 数据手册

MP2884A

Digital, Multi-Phase PWM Controller

with PMBus and PWM-VID

DESCRIPTION

FEATURES

The MP2884A is a digital, multi-phase, pulse-

width modulation (PWM) controller with digital

PWM-VID interface compatible with NVIDIA’s

Open VReg specification. The MP2884A can

work with MPS’s Intelli-Phase products to

complete the multi-phase voltage regulator (VR)

solution with minimal external components. The

MP2884A can be configured with up to 4-phase

operation.



Programmable Multi-Phase up to Four

Phases

PWM-VID Interface Compatible with NVIDIA

Open VReg Specification

PMBus/I²C Compliant (1MHz Bus Speed)

Pin Programmable for PMBus Address

Built-In EEPROM to Store Custom

Configurations

Switching Frequency Range 200kHz to

5MHz

Automatic Loop Compensation

Fewer External Components than

Conventional Analog Controller

Best Transient Performance with Non-

Linear Digital Control

Flexible Phase Assignment

Auto-Phase Shedding to Improve Overall

Efficiency



The MP2884A provides an on-chip EEPROM to

store and restore device configurations. Device

configurations and fault parameters can be

easily programmed or monitored via the

PMBus/I²C interface. The MP2884A can

monitor and report the output current through

the CS output from the Intelli-Phase products.



The MP2884A is based on a unique, digital,

multi-phase, non-linear control and provides

fast transient response to the load transient with

minimal output capacitors. With only one

power-loop control method for both steady state



Phase-to-Phase Active Current Balancing

with Programmable Offsets for Thermal

Balance

Output Voltage/Current, Input Voltage/

Power Monitoring



and

load

transient,

the

power

loop

compensation is very easy to configure.



Regulator Temperature Monitoring

VIN UVLO, Output OVP/UVP, OCP, OTP

with No Action, Latch, Retry, or Hiccup

Mode Options

The MP2884A is available in a QFN-40

(5mmx5mm) package.



Detecting for Intelli-Phase MOSFET Fault

Type and Auto-Record to EEPROM

Digital Load-Line Regulation

Available in an RoHS Compliant QFN-40

(5mmx5mm) Package



APPLICATIONS



Graphic Card Core Power

Server Core Power

Telecom and Networking Systems

Base Stations

All MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, please visit the MPS website under

Quality Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are

trademarks of Monolithic Power Systems, Inc. or its subsidiaries.

MP2884A Rev. 1.01

12/25/2018

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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与MP2884A相关器件

型号	品牌	获取价格	描述	数据表
MP2886A	MPS	获取价格	多相数字 PWM 控制器，支持 PMBus 和 PWM-VID 协议
MP2888A	MPS	获取价格	多相数字 PWM 控制器，支持 PMBus 和 PWM-VID 协议
MP2905	MPS	获取价格	3V-28V 输入，带迟滞模式的同步降压控制器
MP2905EK	MPS	获取价格	Switching Controller, Current-mode, 500kHz Switching Freq-Max, PDSO10, MSOP-10
MP2905EK-LF	MPS	获取价格	Switching Controller, Current-mode, 500kHz Switching Freq-Max, PDSO10, MSOP-10
MP2905EK-LF-Z	MPS	获取价格	Switching Controller, Current-mode, 500kHz Switching Freq-Max, PDSO10, MSOP-10
MP2905EK-Z	MPS	获取价格	Switching Controller, Current-mode, 500kHz Switching Freq-Max, PDSO10, MSOP-10
MP2908A	MPS	获取价格	4-60v,电流模式，同步降压控制器
MP2908AGF	MPS	获取价格	Switching Controller,
MP2908AGF-Z	MPS	获取价格	Switching Controller,

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