Analog Devices Inc./Maxim Integrated MAX20815EVKIT#

Overview

MAX20815EVKIT# from Analog Devices is an evaluation board designed to validate the MAX20815, a single-output, 15A, PMBus-enabled step-down DC-DC regulator with 2.7V–16V input and 0.4V–5.8V programmable output. It integrates internal 1.8V LDO for gate drive (VCC) and analog supply (AVDD), supports external 2.5V–5.5V LDO bias (LDOIN), and delivers full-load operation up to 15A for high-power-density power system development.

For engineers reviewing the MAX20815EVKIT# datasheet, MAX20815EVKIT# pinout, MAX20815EVKIT# application, or MAX20815EVKIT# equivalent, this kit enables rapid validation of PMBus-configurable switching frequency (default 500kHz), OCP threshold, DCM mode, voltage loop gain, and soft-start timing - all critical for industrial, telecom, and server power supply design.

Technical Context

The MAX20815EVKIT# implements the MAX20815 IC in a fully assembled, multilayer PCB layout optimized for thermal performance and EMI control. It supports both internal VCC generation (1.8V LDO) and optional external 3.3V bias via TP3/TP6, enabling efficiency optimization across input voltage ranges.

Hardware configuration is managed through jumpers (J4, J6, J7, J9) and PGMx resistors (R2, R5), while real-time telemetry - including VIN, VOUT, IOUT, and temperature - is accessible via PowerTool GUI over SMBus/USB. Bode plot analysis is supported using TP13/TP14 and a 10Ω series resistor.

Key Specifications

Availability

MAX20815EVKIT# is available at Aetrix Electronics and suitable for industrial power supply validation, telecom rectifier testing, and server VRM prototyping requiring stable component supply, traceable sourcing, and long-term evaluation platform availability.

Supply support for MAX20815EVKIT# 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

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Wilmington, MA.

The MAX20815EVKIT# belongs to Analog Devices' Digital Power Management product line, engineered specifically to accelerate development of PMBus-configurable, high-efficiency, high-current DC-DC solutions for datacenter, networking, and industrial applications.

FAQ

What is the primary function of the MAX20815EVKIT#?

The MAX20815EVKIT# is a fully assembled evaluation platform for the MAX20815 synchronous step-down DC-DC converter. It enables hardware validation, PMBus command testing, efficiency measurement, and transient response analysis - not a production power module. The MAX20815EVKIT# includes test points (TP4, TP8, TP11), jumper-selectable configurations, and compatibility with Maxim's Digital PowerTool GUI for real-time monitoring and control of the MAX20815 IC.

Does the MAX20815EVKIT# require external hardware to operate?

Yes. The MAX20815EVKIT# requires a 2.7V–16V input supply, an electronic load (0–15A), a Windows PC with USB port, the MAXPOWERTOOL002 USB-to-SMBus adapter, and the Maxim Digital PowerTool GUI software. J1 connects the adapter ribbon cable (red wire to Pin 1), and J5/J8 accept input power. Without these, the MAX20815EVKIT# cannot configure, monitor, or regulate output voltage.

How is output voltage configured on the MAX20815EVKIT#?

Output voltage on the MAX20815EVKIT# is configured digitally via PMBus commands using the PowerTool GUI - not by trimming resistors. The MAX20815 IC uses a 0.5V internal reference; VOUT_COMMAND sets the reference between 0.4V and 0.8V (1.95mV steps), and external feedback resistors (RFB1/RFB2) scale final output up to 5.8V. Default boot-up voltage is 1V, verified at TP8/TP11.

Can the MAX20815EVKIT# be used to evaluate efficiency?

Yes. The MAX20815EVKIT# provides dedicated efficiency test points: J4 measures input voltage (VIN/VDDH) and J6 measures output voltage (VOUT). Combined with calibrated current sensing (via load and shunt), users can calculate full-load and light-load efficiency across input/output combinations. The board's low-component-count layout and proven thermal design ensure repeatable, high-accuracy measurements for the MAX20815 IC.

Is the MAX20815EVKIT# RoHS-compliant and production-ready?

Yes. The MAX20815EVKIT# carries the # suffix, indicating RoHS compliance per Analog Devices' specifications. However, it is an evaluation tool - not a production-grade power module. It features a fully assembled, tested multilayer PCB with industrial-grade passives (e.g., 100µF X6T ceramics, 22µF X6S ceramics, tantalum bulk caps), but lacks conformal coating, safety certifications (UL/IEC), or extended temperature qualification required for end-equipment deployment.