Microchip MIC2132 | Demoboard EV78U64A

Description

The EV78U64A Evaluation Board is a standalone 48V nominal to 12V DC-DC converter module. The module features the MIC2132 controller and encompasses dual interleaved buck converters. On the EV78U64A module the MIC2132 is coupled to EPC2218 GaN transistors, to enable a highly efficient converter within a small footprint.

Features

• Input Voltage Range: 8V to 75V
• Input Down to 2V when VDD = 5V from External Supply
• Adjustable Output Voltage from 0.6V to 28V
• Adaptive Constant On-Time Control:
• High DeltaV™ operation
• Any Capacitor™ stable
• 0.6V Internal Reference with ±1% Accuracy
• Novel Ripple Injection Method to Allow Greater than 50% Duty Cycle Operation
• Operates in CCM, Stackable for Multiphase Operation up to Eight Phases
• Accurate Current Balancing Between Phases
• Accurate 180° Phasing of Outputs
• 100 kHz to 1 MHz Switching Frequency per Phase
• Secondary LDO to Improve System Efficiency
• Supports Start-up to Pre-Bias Output
• Remote Sense Amplifier for Tight Output Regulation
• Droop Feature to Support Adaptive Voltage Positioning (AVP) for Improved Load Transient Response
• Precision Enable Function for Low Standby Current
• External Programmable Soft Start to Reduce Inrush Current
• Lossless RDSON Current Sensing with NTC
• Temperature Compensation or Resistor Sensing Method
• Programmable Current Limit and Hiccup Mode Short-Circuit Protection
• Thermal Shutdown with Hysteresis
• -40°C to +125°C Junction Temperature Range
• Compact Size: 5 mm x 5 mm 32-Pin VQFN Package
• AEC-Q100 Qualified (VAO Suffix)

Typical applications

• Distributed Power Systems, FPGA, CPU, Memory, GPU Core Supplies
• Automotive POL
• Communications/Networking Infrastructure
• Printers, Scanners, Graphic and Video Cards

More information

• Datasheet
• IC product information