Monolithic Power Systems Inc. MEZDPD4506A-8533

Overview

MEZDPD4506A-8533 from Monolithic Power Systems is an end-of-life evaluation board (EVmEZDPD4506A-00A) for the mEZDPD4506A programmable buck converter module, supporting 4–45V input, 0.6–22V digitally adjustable output, and continuous 6A load capability. It integrates I²C interface, GUI-based configuration via Virtual Bench Pro 2.2, and comprehensive protection features including SCP, OVP, UVP, and thermal shutdown.

For engineers reviewing the MEZDPD4506A-8533 datasheet, MEZDPD4506A-8533 pinout, MEZDPD4506A-8533 application, or MEZDPD4506A-8533 equivalent, this board enables rapid validation of digital power management in industrial, test equipment, and FPGA/ASIC supply applications where programmable voltage, current limit, switching frequency, and real-time telemetry are required.

Technical Context

The MEZDPD4506A-8533 implements a fully integrated, digitally controlled synchronous buck converter evaluation platform centered on the mEZDPD4506A module. It supports I²C-based register access for output voltage (0.6–22V), current limit (0–6A), switching frequency (adjustable around 600 kHz), and multiple protection thresholds.

Hardware design includes dual 22 µF output capacitors (C2A/C2B), eight 10 µF input bulk capacitors (CIN1–CIN8), a 4.7 µH power inductor (L2), and EMI filtering components. The board accepts external USB-to-I²C interface (EVKT-USBI2C-02) and requires Virtual Bench Pro 2.2 for full parameter programming and telemetry readback.

Key Specifications

Availability

MEZDPD4506A-8533 is available at Aetrix Electronics and suitable for FPGA power sequencing, automated test equipment (ATE) supply calibration, and programmable lab bench power applications requiring stable component supply and legacy design support.

Supply support for MEZDPD4506A-8533 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance power management ICs, founded in 1997 and headquartered in California.

This evaluation board belongs to MPS's mEZDPD digital power module product line, designed specifically for engineers needing plug-and-play, GUI-configurable DC/DC solutions with telemetry and protection in compact form factors.

FAQ

Is MEZDPD4506A-8533 a production-ready power module or an evaluation board?

MEZDPD4506A-8533 is an end-of-life evaluation board (EVmEZDPD4506A-00A), not a production module. It hosts the mEZDPD4506A module in a socketed layout and requires external USB-to-I²C hardware and Virtual Bench Pro 2.2 software for operation. It is intended solely for design verification and parameter exploration.

What software and hardware are required to program the board?

Programming requires Monolithic Power Systems' Virtual Bench Pro 2.2 GUI, the EVKT-USBI2C-02 USB-to-I²C dongle, and associated cables (USB-A to micro-B, 10-pin ribbon). The GUI communicates over I²C to configure output voltage, current limit, switching frequency, and protection settings stored in the module's multiple-time programmable memory.

Does MEZDPD4506A-8533 support analog feedback or only digital control?

MEZDPD4506A-8533 relies exclusively on digital I²C control and does not support analog feedback loop adjustment. Output voltage is set and trimmed via register writes; compensation is fixed internally and not user-adjustable through external components.

What is the physical size and mounting configuration of the board?

The board measures 64 mm × 64 mm and uses standard 3.2 mm diameter mounting holes at all four corners. It has no onboard heatsink but relies on PCB copper area and airflow; thermal imaging data shows ≤130 °C case temperature rise at 6 A full load with VIN=24 V and VOUT=5 V.

Are input and output capacitors populated for all output voltage ranges?

No. Capacitor population is conditional: C2A (22 µF) is always installed; C2B (22 µF) is installed for VOUT ≥ 5 V; C1C (100 µF electrolytic) is added only when VOUT = 12 V. These configurations are documented in the BOM notes on page 7 of the reference document.

Is the board RoHS-compliant and lead-free?

Yes. All bill-of-materials components listed-including Murata GRM32ER61H106KA12L capacitors, YAGEO RC1210FR-07100RL resistor, and Würth Elektronik 744311470 inductor-are RoHS 2015/863-compliant and lead-free, consistent with MPS's standard manufacturing practices as confirmed in the official BOM documentation.