NMS4150
Electrochemical Sensor SoC: Scheduled for release in 2Q of 2025
Overall Features
Level & time variant potential generation
Single Battery Operation
Level & Time Variant Potential Generation
Precise Current Measurement (~500pA)
2/3-termial Electrochemical Sensor
2-channel Input (2 Working Elctrode)
Chronoamperometry/Amperometric/Potentiometric
I2C/SPI Interface
Sensor Detection
Temperature Sensor
Low Power Operation : periodic wakeup & shutdown
NVM for configuration storage
Working Voltage : 1.2V ~ 1.5V
Block Diagram
MCU Features
Electrical Specification
32b RISC-V Core
RISC-V ISA RV32IMAFC
Single-precision Floating Point Unit
4 Region Physical Memory Protection
3-stage Pipeline
2 banks High-speed Computing Memory
DMIPS/MHz=2.27, Coremark/MHz=3.1
32KB Flash for Code Storage
16KB SRAM for Data Storage
Tiny Machine Learning Support
I2C/SPI/UART Interface
Power Manager for Low-power
Operating Clock = 24MHz
Features
Target Applications
Potentiostat for 2/3-terminal electrochemical sensor
Amperometric
Potentiometric
Biopotentiostat for 3-terminal electrochemical
Instrumental Amplifier
Continuous Glucose Monitoring
Chronoamperometry for continuous 3-terminal (WE, RE, CE) glucose sensor
Chronoamperometry for continuous 2-terminal (WE, RE/CE) glucose sensor