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MP2884A Datasheet(PDF) 1 Page - Monolithic Power Systems |
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MP2884A Datasheet(HTML) 1 Page - Monolithic Power Systems |
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1 / 107 page  MP2884A Digital, Multi-Phase PWM Controller with PMBus and PWM-VID MP2884A Rev. 1.01 www.MonolithicPower.com 1 12/25/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2018 MPS. All Rights Reserved. DESCRIPTION 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. 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 and load transient, the power loop compensation is very easy to configure. The MP2884A is available in a QFN-40 (5mmx5mm) package. FEATURES 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 Phase-to-Phase Active Current Balancing with Programmable Offsets for Thermal Balance Output Voltage/Current, Input Voltage/ Power Monitoring Regulator Temperature Monitoring VIN UVLO, Output OVP/UVP, OCP, OTP with No Action, Latch, Retry, or Hiccup Mode Options Detecting for Intelli-Phase MOSFET Fault Type and Auto-Record to EEPROM Register Map Password Lock 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. |
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