Monolithic Power Systems Inc. PKT-MEZDPD4506A-84D9

Overview

PKT-MEZDPD4506A-84D9 from Monolithic Power Systems is an evaluation kit for the mEZDPD4506A programmable 45V input, 6A buck DC/DC power module. It includes the EVmEZDPD4506A-00A evaluation board, one pre-configured mEZDPD4506A-0000 module (default 3.3V output), EVKT-USBI2C-02 USB-to-I²C interface, and Tdrive-mEZDPD4506A USB thumb drive with Virtual Bench Pro 2.2 GUI software. Designed for rapid validation of digitally programmable power delivery in industrial and embedded systems.

For engineers reviewing the PKT-MEZDPD4506A-84D9 datasheet, PKT-MEZDPD4506A-84D9 pinout, PKT-MEZDPD4506A-84D9 application, or PKT-MEZDPD4506A-84D9 equivalent, this kit enables full configuration of output voltage (0.6–22V), switching frequency (600 kHz typical), current limit, protection modes, and loop compensation via I²C using a PC-based GUI - critical for power architecture prototyping and firmware integration testing.

Technical Context

The PKT-MEZDPD4506A-84D9 supports end-to-end digital power evaluation: the mEZDPD4506A module integrates a synchronous buck controller, power MOSFETs, and multiple-time programmable memory; the EVmEZDPD4506A-00A board provides socketed mounting, input/output terminals, and I²C interface headers (SDA/SCL). Communication requires the included EVKT-USBI2C-02 dongle and Virtual Bench Pro 2.2 software.

It operates across 4–45V input and delivers 0–6A at 0.6–22V output with up to 94.4% peak efficiency (VIN=24V, VOUT=12V, 6A). The board implements comprehensive protections including overcurrent (SCP), overvoltage, undervoltage lockout, and thermal shutdown - all configurable and monitorable via register access.

Key Specifications

Availability

PKT-MEZDPD4506A-84D9 is available at Aetrix Electronics and suitable for industrial automation controllers, FPGA power sequencing, telecom power subsystems, and embedded computing platforms requiring stable component supply and rapid digital power validation.

Supply support for PKT-MEZDPD4506A-84D9 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 and modules for industrial, computing, automotive, and communications markets.

The mEZDPD series targets digitally programmable, high-current DC/DC conversion with integrated control and telemetry - enabling flexible, firmware-driven power architecture design without custom analog compensation.

FAQ

Is the mEZDPD4506A module pre-soldered on the EVmEZDPD4506A-00A board?

No. The EVmEZDPD4506A-00A board features a socket for manual placement of the mEZDPD4506A module. This allows users to swap modules for different configurations or firmware revisions without soldering. The kit includes one mEZDPD4506A-0000 module with factory-default 3.3V output.

What software is required to configure the module?

Virtual Bench Pro 2.2 GUI is mandatory and provided on the included Tdrive-mEZDPD4506A USB thumb drive. It communicates with the module via the EVKT-USBI2C-02 dongle over I²C and supports full register-level access for output voltage, current limit, switching frequency, soft-start, and protection thresholds.

Can the output voltage be set below 1.0V?

Yes. The mEZDPD4506A supports output voltages down to 0.6V, verified per the datasheet and performance curves. Operation below 1.0V requires appropriate output capacitor selection (e.g., C2A only, no C2B/C1C) as specified in the BOM notes for low-VOUT configurations.

Does the kit include external components needed for full operation?

Yes. The EVmEZDPD4506A-00A board includes all passive components shown in the schematic and BOM: input/output capacitors (CINx, C2A/B, C1C), EMI filter (L2, C1D/E), feedback resistor (FB), and layout-optimized PCB layers. No additional passives are required for baseline evaluation at default settings.

Is the EVmEZDPD4506A-00A board RoHS-compliant and IPC Class 2 qualified?

Yes. As a Monolithic Power Systems evaluation board, it conforms to RoHS Directive 2011/65/EU and is manufactured to IPC-A-610 Class 2 standards. Full compliance documentation, including material declarations and test reports, is available upon request from MPS or authorized distributors.

What is the maximum supported I²C clock frequency for programming?

The mEZDPD4506A supports standard-mode (100 kHz) and fast-mode (400 kHz) I²C. Virtual Bench Pro 2.2 uses 100 kHz by default for robustness; higher speeds may be enabled via register configuration but are not required for full GUI functionality or parameter updates.