Analog Devices Inc./Maxim Integrated MAX20037EVKIT#

Overview

MAX20037EVKIT# from Maxim Integrated is an evaluation kit for the MAX20037 automotive high-current synchronous step-down DC-DC converter with integrated USB host-charger adapter emulation and BC1.2/Apple/Samsung/YD/T 1591-2009 charge detection. It operates at 2.2MHz, delivers up to 3A continuous output current at 105°C, supports input voltage up to 28V (with 40V load-dump protection), and includes I²C interface for real-time monitoring of output voltage and current.

For engineers reviewing the MAX20037EVKIT# datasheet, MAX20037EVKIT# pinout, MAX20037EVKIT# application, or MAX20037EVKIT# equivalent, this kit enables rapid validation of USB-compliant automotive power delivery, cable-drop compensation, and fault diagnostics in vehicle infotainment and telematics systems using the MAX20037 IC.

Technical Context

The MAX20037EVKIT# implements a fully assembled, tested reference design centered on the MAX20037 IC - a 28V-input, 3A synchronous buck converter with integrated USB port detection and automatic VBUS voltage adjustment. Its I²C interface provides access to internal ADC readings and configurable charge-mode selection across BC1.2 CDP/DCP, Apple 2.4A/1.0A, and YD/T 1591-2009 standards.

Designed for automotive environments, the kit demonstrates robust operation under load-dump transients up to 40V and includes a pre-tuned 3m captive USB cable to validate dynamic cable-drop compensation. The PCB layout follows Maxim's proven routing guidelines for EMI control and thermal management at 2.2MHz switching frequency.

Key Specifications

Availability

MAX20037EVKIT# is available at Aetrix Electronics and suitable for automotive infotainment head units, telematics control units (TCUs), and rear-seat entertainment systems requiring stable component supply, fast prototyping cycles, and production-ready reference designs.

Supply support for MAX20037EVKIT# 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 applications.

The MAX20037 product line is designed specifically for automotive USB power delivery systems requiring robust charge detection, cable-drop compensation, and high-temperature DC-DC conversion in harsh electrical environments.

FAQ

What is the primary function of the MAX20037EVKIT#?

The MAX20037EVKIT# is a fully assembled evaluation kit that demonstrates the MAX20037 IC - an automotive-grade synchronous step-down DC-DC converter with integrated USB host-charger adapter emulation and multi-standard charge detection. It enables functional validation of USB power delivery, cable-drop compensation, and I²C-based diagnostics in vehicle systems before final design integration.

Does the MAX20037EVKIT# include the MAX20037 IC with I²C capability?

Yes, the MAX20037EVKIT# is populated with an I²C-enabled version of the MAX20037 IC. This allows engineers to configure charge-detection modes, monitor real-time output voltage and current via the on-chip ADC, and retrieve detailed fault diagnostics using the included MINIQUSB command module and GUI software.

Can the MAX20037EVKIT# demonstrate USB cable-drop compensation?

Yes, the MAX20037EVKIT# includes a 3m captive USB cable and is configured to demonstrate the MAX20037's automatic VBUS voltage adjustment feature. This compensates for IR drops across long cables in automotive applications, maintaining regulated 5V output at the device connector despite voltage loss in the cable.

What USB charging standards does the MAX20037EVKIT# support through the MAX20037 IC?

The MAX20037EVKIT# supports USB-IF Battery Charging Specification v1.2 (CDP and DCP modes), Apple iPod/iPhone/iPad 2.4A and 1.0A termination profiles, and China's YD/T 1591-2009 standard. All are implemented via integrated resistors and detection circuitry inside the MAX20037 IC on the board.

Is the MAX20037EVKIT# suitable for evaluating load-dump transient immunity?

Yes, the MAX20037EVKIT# implements the MAX20037's built-in 40V load-dump protection, allowing direct testing of system resilience against ISO 7637-2 Pulse 5a transients. The board's layout and component selection reflect Maxim's recommended practices for surviving high-energy automotive surges without external TVS clamping.