Click here to ask about the production status of specific part numbers. MAX32663A Ultra-Low Power ECG Biometric Sensor Hub General Description Benefits and Features The MAX32663A is a low-power sensor hub with embed- Three Different Versions ded firmware and HeartKey ECG algorithms from B-Se- Version FS (Full HeartKey Suite) cur for wearable and medical devices. It enables seam- Heart Rate, Heart Rate Variability, Stress Level less communication with Maxims low-power ECG sensors Index, Energy Expenditure and User (e.g., the MAX30003), providing a complete solution that Identification delivers health information and insights to an application. Version W (Health and Wellness) Heart Rate, Heart Rate Variability, Stress Level Time to market is faster with this proven ECG solution that Index and Energy Expenditure offers low power consumption, accurate and robust health Version UI (User Identification) data, and a tiny form factor, all while removing the licens- User Identification ing burden from the application. Biometric Sensor Hub Enables Faster Time to Market Removes Software Licensing Burden Applications 2 One Slave I C for Communication with a Host Wearable Fitness Microcontroller Hearables 2 One Master I C for Communication with Sensors Wearable Medical Manages the Ultra-Low Power-Hardware for Portable Medical Increased Efficiency Mobile Devices First-In First-Out (FIFO) Provides Minimal Host Interaction Easily Integrate with Maxims Low-Power ECG AFEs (e.g., MAX30003) Tiny Form Factors for Footprint-Constrained Designs 3mm x 3mm TQFN 1.6mm x 1.6mm WLP Ordering Information appears at end of data sheet. 19-100975 Rev 0 11/20MAX32663A Ultra-Low Power ECG Biometric Sensor Hub Simplified Block Diagram MAX32663A POR, SENSOR CS BROWNOUT SENSOR MOSI RSTN MONITOR, TO MAX30003 SPI PORT SUPPLY VOLTAGE SENSOR MISO MONITORS SENSOR SCK V CORE B-SECUR SLAVE SCL TO HOST ECG ALGORITHMS 2 SLAVE I C PORT REGULATOR/ SLAVE SDA VDD POWER CONTROL V SS INT2B TO MAX30003 32KIN INTERRUPTS INTB RTC TO HOST 32KOUT INT www.maximintegrated.com Maxim Integrated 2