Analog Devices Inc./Maxim Integrated MAX15041EVKIT+

Overview

MAX15041EVKIT+ from Maxim Integrated is an evaluation kit for the MAX15041 synchronous buck DC-DC regulator, enabling rapid validation of 3A, 4.5V–28V input, adjustable-output (0.606V–0.9×VIN) power conversion in real PCB environments. It supports design verification of thermal performance, soft-start behavior, prebiased startup, and PGOOD sequencing under load.

For engineers reviewing the MAX15041EVKIT+ datasheet, MAX15041EVKIT+ board layout, MAX15041EVKIT+ test procedure, or MAX15041EVKIT+ component bill-of-materials, this kit delivers production-representative measurement access to efficiency curves, transient response, hiccup-mode protection, and full-feature enable/PGOOD timing - critical for consumer, set-top box, and distributed power system designs.

Technical Context

The MAX15041EVKIT+ implements the MAX15041 IC in a fully assembled, tested 16-pin TQFN-EP (3mm × 3mm) reference design with optimized layout, ceramic input/output capacitors, shielded power inductor, bootstrap diode, and resistor-divider for adjustable output voltage. It replicates the IC's peak-current-mode PWM control architecture operating at 350kHz with 90% max duty cycle.

Board-level features include accessible test points for IN, VOUT, LX, FB, COMP, SS, EN, PGOOD, and SGND/PGND; jumper-selectable enable logic; solder pads for soft-start capacitor tuning; and thermal vias beneath the exposed pad for accurate junction-to-ambient thermal characterization per JEDEC JESD51-7.

Key Specifications

Availability

MAX15041EVKIT+ is available at Aetrix Electronics and suitable for consumer electronics validation, set-top box power architecture review, and distributed power system prototyping requiring stable component supply and documented reference design fidelity.

Supply support for MAX15041EVKIT+ 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 ICs for industrial, communications, and consumer applications.

The MAX15041 product line delivers cost-optimized, integrated synchronous buck regulators targeting space-constrained, thermally demanding 3A power rails in consumer and preregulation systems - with emphasis on ease of compensation, ceramic-capacitor compatibility, and robust fault handling.

FAQ

What is the primary purpose of the MAX15041EVKIT+?

The MAX15041EVKIT+ is an evaluation kit designed to accelerate development and validation of the MAX15041 synchronous buck regulator. It provides a fully assembled, production-grade PCB that demonstrates the IC's full feature set - including 3A output capability, 350kHz switching, programmable soft-start, prebiased startup, and comprehensive protection - allowing engineers to verify performance before custom board spin.

Does the MAX15041EVKIT+ support adjustable output voltage?

Yes, the MAX15041EVKIT+ supports adjustable output voltage from 0.606V to 0.9×VIN using an external resistor divider connected to the FB pin. The board ships with components configured for 1.8V at 3A, but R1/R2 can be modified per the formula R1 = R2 × (VOUT/VFB − 1), where VFB = 0.606V, enabling rapid reconfiguration for target application voltages.

Can the MAX15041EVKIT+ demonstrate safe startup into a prebiased output?

Yes, the MAX15041EVKIT+ fully validates the MAX15041's prebiased startup capability. When the output is precharged above or below the regulated set point, the board safely inhibits switching until SS crosses FB, preventing output capacitor discharge. This behavior is observable via oscilloscope on VOUT, SS, and PGOOD signals during controlled bench testing.

What thermal performance data can be extracted using the MAX15041EVKIT+?

The MAX15041EVKIT+ enables direct thermal characterization using its exposed-pad layout and JEDEC-compliant multilayer board construction. Engineers can measure junction temperature rise, validate θJA = 48°C/W and θJC = 7°C/W specs, and correlate load-current vs. temperature derating curves (e.g., 3A at +70°C ambient, down to ~2.4A at +85°C) using calibrated IR imaging or thermocouples on the IC pad and copper planes.

Is the MAX15041EVKIT+ compatible with standard lab equipment for efficiency measurement?

Yes, the MAX15041EVKIT+ is instrument-ready: it includes Kelvin-connected input/output terminals, low-inductance sense paths, and clearly labeled test points for IN, VOUT, and PGND. Combined with its 350kHz fixed frequency and ceramic-capacitor output stage, it supports accurate efficiency measurements (e.g., >90% at 1.8V/2A, VIN = 12V) using digital power analyzers or precision source-meter setups without signal integrity compromise.