Analog Devices Inc./Maxim Integrated MAX20810EVKIT#

Overview

MAX20810EVKIT# from Analog Devices is a fully assembled and tested evaluation kit for the MAX20810 single-output, PMBus-enabled, 10A step-down DC-DC regulator. It supports 2.7V–16V input, delivers 0.4V–5.8V output, operates at 500kHz default switching frequency, and integrates an internal 1.8V LDO for gate drive and bias. The kit enables rapid validation of high-power-density power delivery in server, telecom, and FPGA core supply applications.

For engineers reviewing the MAX20810EVKIT# datasheet, MAX20810EVKIT# pinout, MAX20810EVKIT# application, or MAX20810EVKIT# equivalent, this platform provides hands-on access to PMBus configuration, real-time telemetry monitoring, efficiency measurement points (J4/J6), soft-start control, and transient response testing via J2-critical for digital power system design and qualification.

Technical Context

The MAX20810EVKIT# implements the MAX20810 IC in a multilayer PCB layout optimized for thermal performance and EMI suppression, with integrated test points (TP8/TP11 for VOUT, TP4/TP7 for VIN sense) and configurable jumpers (J9, J4, J6, J7) for LDO sourcing, efficiency sensing, and regulation testing. It uses a 330nH shielded inductor (L1) and a full ceramic output capacitor bank including 22µF ×5 (C20–C22, C30, C45) and 100µF ×4 (C32–C33, C36–C39, C54–C55).

Hardware operation is managed through SW1 toggle switch for EN control and USB-to-SMBus interface (MAXPOWERTOOL002) for GUI-based PMBus command execution-including VOUT_COMMAND (0.4V–0.8V reference range), MFR_SCENARIO_1 (soft-start time selection), and MFR_PINSTRAP (frequency reconfiguration). Bode plot analysis is supported via TP13/TP14 across a 10Ω injection resistor.

Key Specifications

Availability

MAX20810EVKIT# is available at Aetrix Electronics and suitable for server CPU VR, AI accelerator board bring-up, telecom baseband power sequencing, and FPGA core voltage validation requiring stable component supply and full digital power control verification.

Supply support for MAX20810EVKIT# 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

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets with precision power, sensing, and connectivity solutions.

The MAX20810EVKIT# belongs to Analog Devices' Digital Power Evaluation Platform family, designed specifically to accelerate development of PMBus-compliant, high-efficiency, high-current DC-DC systems for datacenter and edge computing infrastructure.

FAQ

What is the primary function of the MAX20810EVKIT#?

The MAX20810EVKIT# is a fully assembled evaluation platform for the MAX20810 10A PMBus-enabled buck regulator. It enables engineers to validate dynamic performance, configure digital parameters (output voltage, frequency, soft-start), monitor real-time telemetry (VOUT, IOUT, temperature), and perform efficiency and transient testing-without requiring custom PCB design or firmware integration. The MAX20810EVKIT# includes all necessary hardware interfaces, test points, and jumper options for complete functional assessment of the MAX20810 IC in target applications.

Does the MAX20810EVKIT# require additional hardware to operate?

Yes, the MAX20810EVKIT# requires a 2.7V–16V input supply, a 0–10A electronic load, Windows PC with USB port, MAXPOWERTOOL002 USB-to-SMBus adapter, and Maxim Digital PowerTool GUI software. The kit itself contains no onboard power source or host controller-it relies on external supplies and the GUI for PMBus communication. No additional programming or soldering is needed, as the board is fully assembled and tested for basic functionality out-of-box.

How is output voltage configured on the MAX20810EVKIT#?

Output voltage on the MAX20810EVKIT# is configured in two ways: (1) via PMBus VOUT_COMMAND (0.4V–0.8V reference range, 1.95mV resolution), and (2) using external feedback resistors (RFB1/RFB2) to scale above 0.8V per VOUT = VREF × (1 + RFB1/RFB2). The kit boots to 1V by default. Configuration is performed through the Digital PowerTool GUI under the Configuration tab, where settings can be saved to device NV memory or external files for reproducible setup.

Can the MAX20810EVKIT# support fast transient load testing?

Yes, the MAX20810EVKIT# supports fast transient load testing via the J2 connector, which is compatible with the MAXIM MINILOAD fast transient load generator. This allows direct connection for sub-microsecond load step characterization (e.g., 0A→10A, 10A→0A) to evaluate loop stability, droop/surge response, and recovery time-key metrics for CPU/FPGA core rail compliance. Test points TP8/TP11 provide clean VOUT monitoring during transients.

What are the key test points and their purposes on the MAX20810EVKIT#?

The MAX20810EVKIT# includes dedicated test points for critical measurements: TP8/TP11 for regulated VOUT monitoring; TP4/TP7 for VIN sense (enabling remote sensing accuracy); TP15/TP2 for LX and PGND switching waveforms; TP13/TP14 for Bode plot injection; J4/J6 for isolated efficiency measurement; and TP_CLK/TP_DATA for SMBus signal probing. All test points use standardized Keystone 5010/5011/5126 headers for consistent probe contact and minimal loading.