The MP2888A is a digital, multi-phase, pulse-width modulation (PWM) controller with digital PWM-VID interface compatible with NVIDIA’s Open VReg specification. The MP2888A can work with MPS’s Intelli-Phase products to complete the multi-phase voltage regulator (VR) solution with minimal external components. The MP2888A can be configured with up to 10-phase operation.
The MP2888A 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 MP2888A can monitor and report the output current through the CS output from the Intelli-Phase products.
The MP2888A 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 MP2888A is available in a QFN-40 (5mmx5mm) package.
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
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Evaluation Tools
MP2888A/MP2965 Server Telecom Core Power Monitor Programming GUI Evaluation Kit This user-friendly GUI can be used to monitor and program many server and telecom digital products
Server Telecom Core Power Monitor Programming is a user-friendly GUI for customers to monitor and program the MPS digital chips.
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