Analog Devices Inc./Maxim Integrated MAXM17761EVKIT#

Overview

MAXM17761EVKIT# from Maxim Integrated is an evaluation kit for the MAXM17761 4.5V–76V input, 1A synchronous step-down power module with integrated inductor and compensation components in a 6.5mm × 10mm × 2.92mm SiP package. It supports adjustable output voltages from 0.8V to 5V, programmable switching frequency (180–537kHz), soft-start, RESET monitoring, and thermal shutdown - enabling rapid validation of point-of-load designs for industrial and telecom applications.

For engineers reviewing the MAXM17761EVKIT# datasheet, MAXM17761EVKIT# pinout, MAXM17761EVKIT# application, or MAXM17761EVKIT# equivalent, this kit provides full hardware reference design, test points for voltage/current/thermal measurement, preconfigured feedback and soft-start networks, and compliance-verified EMI performance per CISPR-22 Class B - accelerating power architecture prototyping and regulatory pre-scan.

Technical Context

The MAXM17761EVKIT# implements the MAXM17761 power module in a fully assembled, tested PCB layout optimized for thermal performance and low-noise operation. It includes all required external components: input/output capacitors (2.2µF X7R ceramic + 100µF polymer), feedback resistors (69.8kΩ/105kΩ/243kΩ), soft-start capacitor, and EXTVCC coupling network - validating the "five-component" minimal-BOM claim of the underlying IC.

This kit supports peak-current-mode control with fixed 22µH integrated inductance, 115ns minimum on-time, and 97% maximum duty cycle. It enables functional verification of EN/UVLO threshold programming (1.215V), RESET delay (2.1ms), VFB regulation accuracy (±1.5%), and external synchronization via RT/SYNC pin with 47pF AC coupling.

Key Specifications

Availability

MAXM17761EVKIT# is available at Aetrix Electronics and suitable for industrial power supplies, FPGA/DSP point-of-load regulation, base station subsystems, and HVAC control systems requiring stable component supply, fast design iteration, and pre-validated EMI performance.

Supply support for MAXM17761EVKIT# 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 industrial, automotive, and communications markets.

The MAXM17761 product line delivers Himalaya-series system-in-package power modules targeting space-constrained, high-reliability applications where simplified design, thermal efficiency, and robust protection are critical - especially in wide-input industrial and telecom infrastructure.

FAQ

What is the primary function of the MAXM17761EVKIT#?

The MAXM17761EVKIT# is a fully assembled evaluation kit designed to validate the MAXM17761 4.5V–76V, 1A synchronous step-down power module. It provides a reference PCB layout, pre-populated components (including input/output capacitors, feedback resistors, and soft-start network), test points, and thermal management features - enabling immediate bench testing, efficiency measurement, transient response analysis, and EMI pre-compliance verification for the MAXM17761 device.

Does the MAXM17761EVKIT# support adjustable output voltage?

Yes, the MAXM17761EVKIT# supports adjustable output voltage from 0.8V to 5V via the MAXM17761's resistor-programmable feedback network. The kit includes default resistors (R1 = 69.8kΩ, R2 = 105kΩ, R3 = 243kΩ) configured for 3.3V output, but users can replace these to set other voltages - for example, changing R2 to 118kΩ achieves 5V output as specified in Table 2 of the MAXM17761 datasheet.

Can the MAXM17761EVKIT# be synchronized to an external clock?

Yes, the MAXM17761EVKIT# supports external frequency synchronization via the RT/SYNC pin of the MAXM17761 module. An external clock signal (1.15× to 1.4× the programmed fSW) can be coupled through a 47pF capacitor to RT/SYNC, overriding the internal oscillator. The kit's schematic and layout include the required AC-coupling path and ground return, enabling direct connection to a system clock source without modification.

What thermal management features does the MAXM17761EVKIT# implement?

The MAXM17761EVKIT# implements thermal management via the MAXM17761's 28-pin SiP package with three exposed pads (EP1 = SGND, EP2 = NC, EP3 = OUT), each connected to large copper planes on the evaluation board. This design achieves θJA = 22.5°C/W under natural convection, supports junction temperatures up to +150°C, and enables thermal derating validation per the published curves - ensuring reliable operation across the full –40°C to +125°C ambient range.

How does the MAXM17761EVKIT# verify RESET functionality?

The MAXM17761EVKIT# validates RESET functionality by routing the open-drain RESET pin to a test point with an external 10kΩ pull-up resistor to VOUT. When the output voltage drops below 92% of its nominal value (e.g., <3.036V for 3.3V output), RESET asserts low; it releases high 2.1ms after rising above 95% (e.g., >3.135V). This behavior is confirmed in the kit's startup/shutdown waveforms (toc20–toc23) and aligns with the MAXM17761's electrical specifications.