Analog Devices Inc./Maxim Integrated MAX30205EVKIT#

Overview

MAX30205EVKIT# from Maxim Integrated is an evaluation kit for the MAX30205 high-accuracy human-body temperature sensor IC, supporting I²C interface configuration, OS output behavior validation, and clinical-grade thermal measurement verification across 0°C to +50°C. It enables rapid prototyping of wearable medical thermometry systems with 0.1°C accuracy (37°C–39°C), 16-bit resolution (0.00390625°C), and low-power 600µA operation.

For engineers reviewing the MAX30205EVKIT# datasheet, MAX30205EVKIT# pinout, MAX30205EVKIT# application, or MAX30205EVKIT# equivalent, this kit provides hardware-level access to register configuration, overtemperature alarm timing validation, shutdown mode current measurement, and I²C bus lockup protection testing under real PCB thermal conditions.

Technical Context

The MAX30205EVKIT# implements a complete reference design around the MAX30205 TDFN-8 temperature sensor, including 0.1µF VDD bypass capacitor, 4.7kΩ pull-up resistors on SDA/SCL/OS lines, and address-select jumpers for A0/A1/A2 to configure any of 32 I²C slave addresses. It supports both comparator and interrupt modes for the open-drain OS output.

Kit-level functionality validates key MAX30205 features: programmable fault queue (1/2/4/6 consecutive faults), selectable data format (normal/extended), one-shot conversion trigger, timeout-enabled I²C interface, and THYST/TOS register read/write via standard I²C byte commands - all operating within the 2.7V–3.3V supply range and 0°C–+50°C ambient envelope.

Key Specifications

Availability

MAX30205EVKIT# is available at Aetrix Electronics and suitable for wearable fitness monitors, clinical thermometer development, and portable medical device qualification requiring stable component supply, traceable evaluation hardware, and documented thermal interface validation.

Supply support for MAX30205EVKIT# 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 and mixed-signal ICs for medical, industrial, and communications applications, with emphasis on low-power, high-accuracy sensor interfaces.

The MAX30205 product line targets clinical thermometry and wearable health monitoring, delivering ASTM E1112-compliant accuracy, I²C configurability, and robust digital noise immunity in ultra-small TDFN packaging.

FAQ

What is the primary function of the MAX30205EVKIT#?

The MAX30205EVKIT# is an evaluation kit designed exclusively to validate and prototype the MAX30205 human-body temperature sensor IC. It provides a fully assembled PCB with correct biasing, I²C pull-ups, address selection, and test points - enabling engineers to verify register access, OS output behavior, shutdown mode current, and thermal response without custom layout. The MAX30205EVKIT# does not contain a sensor itself but hosts the MAX30205MTA+ IC.

Does the MAX30205EVKIT# include the MAX30205 sensor IC?

Yes, the MAX30205EVKIT# ships with a populated MAX30205MTA+ IC in the 8-pin TDFN-EP package. This allows immediate functional testing of temperature readout, overtemperature alarm triggering, I²C register writes (TOS/THYST/configuration), and power-mode transitions - all using the onboard circuitry matching Maxim's recommended design.

Can the MAX30205EVKIT# be used to measure ambient air temperature accurately?

No - the MAX30205EVKIT# measures die temperature, which closely tracks PCB temperature due to thermal conduction through leads and the exposed pad. For ambient air measurement, the board must be mounted on a thermally isolated section of PCB or use external thermal shunting per Maxim's Application Information guidance. Clinical accuracy (0.1°C) applies only when soldered per ASTM E1112 requirements, not in free-air conditions.

How do I configure the I²C address on the MAX30205EVKIT#?

The MAX30205EVKIT# provides jumper positions for A0, A1, and A2 pins, allowing selection of any of 32 I²C slave addresses (e.g., 0x90, 0x92, 0x80, etc.) as defined in Table 1 of the MAX30205 datasheet. Each jumper connects the corresponding pin to GND, VDD, SDA, or SCL - matching the exact address mapping used by the MAX30205MTA+ IC on the board.

What power supply requirements does the MAX30205EVKIT# support?

The MAX30205EVKIT# accepts a regulated 2.7V to 3.3V DC supply applied to its VDD and GND terminals. It includes a 0.1µF ceramic bypass capacitor directly at the MAX30205MTA+ VDD pin - critical for maintaining 0.1°C clinical accuracy and preventing I²C bus lockup. Operation outside this voltage range may damage the IC or invalidate accuracy specifications.