Analog Devices Inc./Maxim Integrated MAX20073EVKIT#

Overview

MAX20073EVKIT# from Maxim Integrated is an evaluation kit designed to demonstrate the operation and performance of the MAX20073, a pin-compatible, 2.2MHz, 2A synchronous step-down DC-DC regulator with 0.5V–3.8V programmable output, 2.7V–5.5V input range, and ±1.5% total output error over load/line/temperature.

For engineers reviewing the MAX20073EVKIT# datasheet, MAX20073EVKIT# pinout, MAX20073EVKIT# application, or MAX20073EVKIT# equivalent, this kit enables rapid validation of MAX20073-based power designs in automotive point-of-load and low-voltage post-regulation systems under real-world thermal and dynamic load conditions.

Technical Context

The MAX20073EVKIT# implements the MAX20073 IC in its default 1.8V/2A configuration using external resistive feedback, soft-start, and fault-hold timing components. It supports both external clock synchronization and skip-mode operation to optimize light-load efficiency.

Board-level features include input/output ceramic capacitor arrays, thermal vias for -40°C to +125°C ambient operation, enable control interface, open-drain FAULT flag output, and test points for V_IN, V_OUT, EN, and FAULT signals - all aligned with the MAX20073's functional safety-ready design for automotive applications.

Key Specifications

Availability

MAX20073EVKIT# is available at Aetrix Electronics and suitable for automotive infotainment power validation, ADAS domain controller point-of-load testing, and industrial embedded system DC-DC design verification requiring stable component supply and traceable evaluation hardware.

Supply support for MAX20073EVKIT# 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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management solutions for automotive, industrial, and communications markets.

The MAX20015–MAX20018/MAX20073/MAX20074 family targets automotive power systems requiring AEC-Q100 Grade 0/1 qualification, compact layout, and robust operation across extended temperature ranges.

FAQ

What is the primary function of the MAX20073EVKIT#?

The MAX20073EVKIT# is an evaluation kit that demonstrates the electrical behavior and thermal performance of the MAX20073 step-down regulator. It provides a fully assembled, tested PCB with input/output filtering, enable control, FAULT monitoring, and test points - enabling engineers to validate MAX20073-based power designs before committing to custom board layout. The MAX20073EVKIT# is not a production power module but a design-assist tool.

Does the MAX20073EVKIT# support adjustable output voltage?

Yes, the MAX20073EVKIT# is configured by default for 1.8V output using an external resistor divider, but the underlying MAX20073 IC supports factory-programmed outputs from 0.5V to 3.8V. Users can modify R1/R2 values on the MAX20073EVKIT# to evaluate other output voltages within that range, preserving the ±1.5% accuracy specification when using standard 1% resistors.

Can the MAX20073EVKIT# be synchronized to an external clock?

Yes, the MAX20073EVKIT# exposes the SYNC pin of the MAX20073 IC, allowing synchronization to an external clock source between 1.1MHz and 4.4MHz. This capability enables noise-sensitive system designs to avoid switching frequency interference by aligning the regulator's operation with other system clocks - a feature confirmed in the MAX20073EVKIT# schematic and user guide.

What protection features are demonstrated on the MAX20073EVKIT#?

The MAX20073EVKIT# demonstrates overtemperature shutdown, cycle-by-cycle overcurrent limiting, and FAULT flag assertion - all implemented directly by the MAX20073 IC. The FAULT signal is routed to a test point and LED indicator, allowing real-time fault detection during transient load or thermal stress testing. These protections remain active across the full -40°C to +125°C operating range.

Is the MAX20073EVKIT# qualified for automotive applications?

Yes, the MAX20073EVKIT# evaluates the MAX20073 IC, which is AEC-Q100 qualified (Grade 0: -40°C to +150°C junction, Grade 1: -40°C to +125°C junction). The evaluation board itself uses automotive-grade passive components, thermal vias, and layout practices aligned with ISO/TS 16949 design guidelines - making it suitable for validating power stages in automotive infotainment, body control, and ADAS subsystems.