Analog Devices Inc./Maxim Integrated MAX77801EVKIT#

Overview

MAX77801EVKIT# from Maxim Integrated is an evaluation kit designed to validate the MAX77801 2A buck-boost regulator with I²C interface and dynamic voltage scaling (DVS) control. It supports fixed 3.3V/3.4V outputs via DVS pin logic and programmable 2.6V–4.1875V output in 12.5mV steps using the MINIQUSB interface board. The kit includes a preinstalled MAX77801EWP+ in 20-bump WLP package and enables efficiency measurement via Kelvin-sense inputs/outputs.

For engineers reviewing the MAX77801EVKIT# datasheet, MAX77801EVKIT# pinout, MAX77801EVKIT# application, or MAX77801EVKIT# equivalent, this kit provides hands-on validation of input range (2.3V–5.5V), I²C register access, DVS-controlled dual-voltage operation, and GUI-driven configuration using Windows-compatible software - critical for power architecture prototyping in portable electronics.

Technical Context

The MAX77801EVKIT# implements the full functional interface of the MAX77801 IC, including its dual-mode buck-boost topology, integrated 1.8V LDO for VIO supply, and hardware-selectable DVS voltage mapping (VOUT_DVS_H/VOUT_DVS_L registers). Jumper configurations (JU1–JU6) define VIO sourcing, EN activation, DVS logic level, LDO input path, and I²C pull-up enablement.

Hardware interaction is enabled through a 20-pin right-angle connector (J1), Kelvin-sense test points for precise voltage/current measurement, and compatibility with the MINIQUSB+ command module for USB-to-I²C translation. The onboard MAX8511EXK18+ SC70 LDO supplies stable 1.8V to support digital control logic independent of main input.

Key Specifications

Availability

MAX77801EVKIT# is available at Aetrix Electronics and suitable for portable battery-powered devices, multi-rail PMIC validation, I²C-based power sequencing design, and buck-boost topology characterization requiring stable component supply and traceable evaluation hardware.

Supply support for MAX77801EVKIT# 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 high-reliability applications in industrial, automotive, and consumer markets.

The MAX77801EVKIT# belongs to Maxim's power management evaluation platform family, developed specifically to accelerate development of compact, high-efficiency power architectures for space-constrained portable electronics.

FAQ

What is the primary function of the MAX77801EVKIT#?

The MAX77801EVKIT# is a fully assembled evaluation platform for the MAX77801 buck-boost regulator IC. It enables functional verification of output voltage regulation, I²C register programming, DVS mode switching, and efficiency measurement under real-world load and input conditions - without requiring custom PCB design or firmware development.

Does the MAX77801EVKIT# include the MAX77801 IC?

Yes, the MAX77801EVKIT# ships with the MAX77801EWP+ preinstalled in a 20-bump wafer-level package (WLP). This ensures immediate out-of-box testing of the target IC's performance, including its 2A continuous output capability, 2.3V–5.5V input range, and dual-voltage DVS operation.

Is the MINIQUSB+ interface board included with the MAX77801EVKIT#?

No, the MINIQUSB+ command module is not included with the MAX77801EVKIT# and must be ordered separately. It is required only when performing I²C-based voltage programming or register read/write operations; fixed 3.3V/3.4V operation functions without it using jumper-configured DVS logic.

What software is used to control the MAX77801EVKIT#?

The MAX77801EVKIT# uses Windows-compatible GUI software (distributed as MAX77801Rxx.ZIP) that communicates via the MINIQUSB+ board. It provides two tabs: CHIPID/STATUS/CONFIG for reading device ID, alarm status, and configuration registers; and VOUT_DVS for setting output voltage based on DVS state - all without writing custom code.

How is power supplied to the MAX77801EVKIT# during evaluation?

The MAX77801EVKIT# accepts DC input via its VIN terminals (2.3V–5.5V range). An optional 1.8V supply may be used for VIO if JU1 is set to position 2–3, but the default configuration uses the onboard MAX8511EXK18+ LDO to generate VIO from VIN via JU4 (1–2).