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  4. Dual-loop, digital, multiphase controller with PMBus interface MP2855 for AMD SVI2 (Monolithic Power Systems, Inc.)
Dual-loop, digital, multiphase controller with PMBus interface MP2855 for AMD SVI2-MP2855
Dual-loop, digital, multiphase controller with PMBus interface MP2855 for AMD SVI2-Monolithic Power Systems, Inc.

Dual-loop, digital, multiphase controller with PMBus interface MP2855 for AMD SVI2
Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc.'s Response Status

Response Rate

100.0%

Response Time

15.6hours

Relatively Fast Response

About This Product

■Summary

The MP2855 is a dual-loop, digital, multiphase controller that powers the core of the AMD SVI2 2.0 platform. This IC works with MPS' Intelli-PhaseTM products to complete multiphase voltage regulator (VR) solutions with a minimum of external components. The MP2855 can be configured for up to 9-phase operation on rail 1 and up to 4-phase operation on rail 2. The MP2855 provides on-chip non-volatile memory (NVM) for saving and restoring the IC's configuration. IC settings and faulty parameters can be easily adjusted or monitored via PMBus or I2C interface. This IC can monitor and report output current (IOUT) through the CS output from Intelli-PhaseTM products. The MP2855 is a proprietary digital multiphase nonlinear control that provides fast transient response to load transients with minimal output capacitance. One power loop control method for both steady state and load transients, making it easy to set up power loop compensation. The IC is available in a TQFN-40 (5mm x 5mm) package.

■Features and benefits

・Multi-phase, dual output, digital controller ・AMD SVI2 compliant ・PMBus / I2C compatible (bus speed 1MHz) ・Pin where PMBus address can be set - Built-in non-volatile memory (NVM) for saving custom configurations ・Switching frequency (fSW) from 200kHz to 3MHz ・Automatic loop correction ・Fewer external components than conventional analog controllers ・Best transient performance with non-linear digital control ・Flexible phase assignment to dual rails - Automatic phase shedding to improve overall efficiency Active current balancing between phases with adjustable offset for thermal balance ・Input and output voltage, current, and power monitoring ・Battery temperature monitoring - Input voltage UVLO, output OVP/UVP, OCP_TDC/OCP_SPIKE, OTP with no action, latch, retry, or hiccup mode ・Failure type detection using Intelli-PhaseTM MOSFET

  • Product

    Dual-loop, digital, multiphase controller with PMBus interface MP2855 for AMD SVI2

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1 Models of Dual-loop, digital, multiphase controller with PMBus interface MP2855 for AMD SVI2

Image Part Number Price (excluding tax) Iq (typ) (mA) Ishutdown (typ) (mA) VCC (max) (V) VCC (min) (V) Fsw (max) (kHz) Fsw (min) (kHz) Interface Grade Package (mm) Number of phases Processor type Number of output rails
Dual-loop, digital, multiphase controller with PMBus interface MP2855 for AMD SVI2-Part Number-MP2855

MP2855

Available upon quote

40

0.17

3.45

3.15

3,000

200

SVI2, PMBus/I2C

Catalog

TQFN-40 (5x5)

9

AMD SVI2

2

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About Company Handling This Product

Monolithic Power Systems, Inc.

Response Rate

100.0%

Response Time

15.6hrs

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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