MAX32600-W85B+

Application Specific Microcontrollers Overview

The MAX32600-W85B+ is a wellness measurement microcontroller based on the ARM Cortex-M3 core, operating at up to 24MHz. It integrates 256KB of flash memory, 32KB of SRAM, and a 2KB instruction cache. The device features an integrated analog front-end with a 16-bit ADC supporting up to 500ksps conversion rate and programmable gain amplifiers. Power specifications include a digital domain voltage range of 1.8V to 3.6V and an analog domain voltage range of 2.3V to 3.6V. The component operates within a temperature range of -40°C to +85°C.

Application Specific Microcontrollers Feature Summary

• Integrated Analog Front-End: Includes a 16-bit ADC with PGA (gains of 1, 2, 4, 8), two 12-bit DACs, two 8-bit DACs, four operational amplifiers, and four comparators.
• Trust Protection Unit: Provides hardware security via AES engine, µMAA for ECDSA/RSA, True Random Number Generator (TRNG), and fast-erase SRAM for secure key storage.
• Low Power Consumption: Achieves 175µA/MHz active power from cache, 1.25µA current consumption in LP0 mode with RTC enabled, and 1.8µA in LP1 mode with data retention.
• Flexible Connectivity: Supports USB Full Speed, I2C, SPI, UART, and includes an LCD controller for up to 160 segments.

Application Specific Microcontrollers Applications

• Wearable Medical Devices
• Pulse Oximetry Measurement
• Galvanic Skin Response Measurement
• Blood Glucose Metering

Application Specific Microcontrollers Procurement Notes

Verify the specific package option required for the design, as the MAX32600 series is available in 192-ball CTBGA, 120-ball CTBGA, or 108-ball WLP configurations. Confirm that the W85B+ suffix corresponds to the intended thermal grade and packaging format by cross-referencing the manufacturer's official selector guide. Ensure compatibility with the 1.8V to 3.6V digital supply and 2.3V to 3.6V analog supply requirements during integration.

Application Specific Microcontrollers Selection Notes

Select this microcontroller for applications requiring high-precision analog measurements combined with robust security features. The integrated AFE reduces external discrete component count for biosignal acquisition. Consider the power modes (LP0-LP3) if battery life is critical, noting the wake-up times associated with each low-power state. Verify that the 24MHz system clock and available GPIOs meet the interface requirements for sensors and displays.

Application Specific Microcontrollers Part Context

The MAX32600 is part of Maxim Integrated's wellness measurement microcontroller family, designed specifically for health monitoring applications. It combines a standard ARM Cortex-M3 processor with specialized analog peripherals to handle physiological signals. The device supports various package options to accommodate different form factors in wearable and portable medical devices.

Application Specific Microcontrollers Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material. Consult the manufacturer's official documentation for potential pin-compatible or functionally equivalent alternatives within the same product family.

Application Specific Microcontrollers FAQ

What is the maximum conversion rate of the integrated ADC?

The integrated 16-bit ADC supports a maximum conversion rate of up to 500ksps.

How does the Trust Protection Unit enhance security?

It provides end-to-end security through an AES hardware engine, µMAA for ECDSA and RSA operations, a True Random Number Generator (TRNG), and fast-erase SRAM for secure key storage.

What are the current consumption levels in low-power modes?

The device consumes 1.25µA in LP0 mode with the Real-Time Clock enabled and 1.8µA in LP1 mode with data retention and fast wakeup capability.