Analog Devices Inc./Maxim Integrated MAX20430EVKIT#

Overview

MAX20430EVKIT# from Maxim Integrated is a fully assembled and tested evaluation kit for the MAX20430 four-output PMIC, supporting input voltages from 3.5V to 36V, delivering up to 2.5A at 3.3V (OUT1), 3A at 1.2V (OUT2), 500mA at 5V (OUT3), and 3A at 1.0V (OUT4), with I²C programmability and dual watchdog modes - used for automotive-grade power system validation.

For engineers reviewing the MAX20430EVKIT# datasheet, MAX20430EVKIT# pinout, MAX20430EVKIT# application, or MAX20430EVKIT# equivalent, this kit enables rapid configuration of output voltages, sequencing, watchdog behavior, and fault monitoring via I²C using SimpleI2C software and MINIQUSB or MAX32625PICO interface hardware.

Technical Context

The MAX20430EVKIT# implements the full reference design for the MAX20430 ATIA/VY+ 28-pin TQFN-EP PMIC, including all four DC-DC regulators, integrated bias supply (BIAS/BIASP), and dedicated test points for VSUP, OUTx, PGNDx, RESET, SDA, and SCL. It supports both challenge/response and windowed watchdog operation, configurable via I²C registers WDCFG1/WDCFG2.

I²C communication operates at the default slave address 0x70 with Packet Error Checking (PEC) enabled by default (CONFIG1 bit 0); PEC must be handled in transactions unless disabled. The board uses automotive-qualified AEC-Q200 capacitors, shielded inductors (XEL4030, TFM252012), and proven layout practices for EMI control and thermal performance.

Key Specifications

Availability

MAX20430EVKIT# is available at Aetrix Electronics and suitable for automotive power architecture validation, industrial PMIC integration testing, and embedded system bring-up requiring stable component supply and traceable evaluation hardware.

Supply support for MAX20430EVKIT# 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

Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for automotive, industrial, and communications applications.

The MAX20430 product line delivers compact, high-efficiency multi-rail power solutions targeting ADAS, infotainment, and body electronics where space, thermal performance, and functional safety features like watchdogs are critical.

FAQ

What is the primary function of the MAX20430EVKIT#?

The MAX20430EVKIT# is a ready-to-use evaluation platform for the MAX20430 four-output PMIC. It enables engineers to validate voltage regulation, sequencing, watchdog behavior, and fault reporting under real operating conditions - without custom PCB design. All outputs are accessible via test points, and I²C configuration is supported through standard PC interfaces like MINIQUSB or MAX32625PICO.

Does the MAX20430EVKIT# require external hardware to operate?

Yes - the MAX20430EVKIT# requires an external DC power supply (0–36V), an I²C interface (e.g., MINIQUSB or MAX32625PICO), and PC software such as SimpleI2C to configure registers and monitor status. No onboard MCU or firmware is included; it functions strictly as a hardware evaluation tool for the MAX20430 IC.

Can the MAX20430EVKIT# evaluate power-up sequencing and watchdog timing?

Yes - the MAX20430EVKIT# supports full evaluation of power-up sequencing (FPS) and watchdog timing via I²C register writes. Using the PORRST register (0x06), the MAX20430 can be reset with temporary register settings, enabling iterative testing of startup behavior and watchdog window configurations without cycling input power.

Is Packet Error Checking (PEC) enabled by default on the MAX20430EVKIT#?

Yes - PEC is enabled by default on the MAX20430 inside the MAX20430EVKIT#, controlled by CONFIG1 register bit 0 (PECE). When active, each I²C write transaction must include a CRC-8 (X⁸ + X² + X + 1) PEC byte. SimpleI2C software provides built-in PEC handling; otherwise, manual calculation and insertion are required.

What jumper settings are required for basic operation of the MAX20430EVKIT#?

Default jumper settings for basic operation are: EN (J3) shorted (enables IC), VDD (J4) open (disables onboard 3.3V pull-ups), SYNC (J2) shorted (sets 2.1MHz switching frequency), and IN5/IN6 (J5/J6) shorted to GND. MD1/MD2 (J7/J8) are optional for mount ID detection and may remain shorted per default configuration.