Monolithic Power Systems Inc. MEZDPD4506AS-84F8

Overview

MEZDPD4506AS-84F8 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 on-board protection features including SCP, OVP, and thermal shutdown.

For engineers reviewing the MEZDPD4506AS-84F8 datasheet, MEZDPD4506AS-84F8 pinout, MEZDPD4506AS-84F8 application, or MEZDPD4506AS-84F8 equivalent, this board enables rapid validation of digital power management in industrial DC/DC systems requiring programmable voltage, current limit, switching frequency, and compensation tuning.

Technical Context

The EVmEZDPD4506A-00A hosts a single mEZDPD4506A module socket and provides full access to its I²C control interface (SDA/SCL), enable (EN), power good (PG), and analog sensing pins (VINSEN±, VOUTSEN±). It supports real-time parameter programming including output voltage (0.6–22V), switching frequency (default 600 kHz), overcurrent threshold, and loop compensation coefficients.

Board-level design includes dual 22 µF output capacitors (C2A/C2B), eight 10 µF input bulk capacitors (CIN1–CIN8), 4.7 µH power inductor (L2), and EMI filtering components. Performance is characterized across 4–45V input with peak efficiency of 94.4% at 24V_IN/12V_OUT/6A and load regulation ≤ ±0.2%.

Key Specifications

Availability

MEZDPD4506AS-84F8 is available at Aetrix Electronics and suitable for industrial automation, test equipment, and embedded power subsystem development requiring stable component supply during legacy system support and migration planning.

Supply support for MEZDPD4506AS-84F8 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, with core expertise in DC/DC converters, LED drivers, and motor drivers for industrial, computing, and automotive markets.

The mEZDPD4506A product line delivers fully integrated, digitally programmable buck modules targeting space-constrained applications needing flexible, field-configurable power rails without custom compensation design.

FAQ

Is MEZDPD4506AS-84F8 a standalone power supply or does it require additional hardware?

MEZDPD4506AS-84F8 is an evaluation board that requires the mEZDPD4506A module (sold separately or included in kit PKT-mEZDPD4506A) to operate. It also needs the EVKT-USBI2C-02 USB-to-I²C dongle and Virtual Bench Pro 2.2 software for configuration and monitoring.

What output voltage ranges are supported, and how is adjustment performed?

The board supports 0.6V–22V output, programmed digitally via I²C using Virtual Bench Pro 2.2. Adjustment is non-volatile: settings persist after power cycle due to the module's multiple-time programmable memory.

Does the board include input and output filtering components?

Yes - it includes eight 10 µF X5R ceramic input capacitors (CIN1–CIN8), dual 22 µF output capacitors (C2A/C2B), one 4.7 µH shielded inductor (L2), and optional EMI filter (C1C 100 µF e-cap) depending on output voltage configuration.

What protections are implemented, and how are faults signaled?

Hardware-enforced protections include short-circuit (SCP), overvoltage (OVP), overtemperature (OTP), and undervoltage lockout (UVLO). Fault conditions assert the open-drain Power Good (PG) pin low and halt switching until cleared via EN or I²C command.

Can the board be used without the GUI, and what minimal connections are required for basic operation?

Basic operation (fixed default 3.3V output) only requires VIN (4–45V), GND, and load connection. EN must be pulled high, and PG monitored optionally. Full programmability and telemetry require I²C interface and Virtual Bench Pro 2.2.

Is the board RoHS-compliant and lead-free?

Yes - per Monolithic Power Systems' public compliance documentation, the EVmEZDPD4506A-00A evaluation board meets RoHS Directive 2011/65/EU and is manufactured with lead-free solder and halogen-free laminates.

What is the board's physical form factor and mounting compatibility?

The board measures 64 mm × 64 mm with four 3.2 mm diameter mounting holes (M3 compatible) at corners. It uses standard 0.1-inch pitch headers for VIN, VOUT, GND, EN, PG, SDA, and SCL, enabling direct integration into test jigs or prototype carriers.