Continuous Glucose Monitor (CGM) SoC Solution

Continuous Glucose Monitor (CGM) SoC Solution

Advanced real-time glucose monitoring with integrated AFE, ultra-low power consumption, and wireless connectivity for 24/7 diabetes management

🎯
ADC Resolution
24-bit
Sleep Current
<1.0μA
📡
Connectivity
BLE 5.0
🔋
Battery Life
14 days

Solution Overview

Continuous Glucose Monitoring (CGM) systems provide real-time glucose readings throughout the day and night, helping diabetes patients make informed treatment decisions. Our CGM solution integrates high-precision AFE, ultra-low power MCU, and wireless connectivity, enabling compact wearable devices with extended battery life and accurate glucose tracking.

Application Areas

  • Wearable continuous glucose monitors
  • Real-time diabetes management systems
  • Implantable glucose sensors
  • Smart insulin pump integration

Application Block Diagram

Continuous Glucose Monitor Application Block Diagram
🎯

High Precision

24-bit Σ-Δ ADC with 1μV resolution, ENOB > 20 bits

Ultra-Low Power

Sleep current I_sleep < 1.5μA, extends battery life

🔧

High Integration

Built-in LCD driver, VREF, temp sensor - simplifies design

Core Features & Benefits

🎯

Real-Time Monitoring

Continuous glucose readings every 1-5 minutes with high-precision AFE and 24-bit ADC, providing comprehensive glucose trend data for better diabetes management.

Ultra-Low Power

Sleep current <1.0μA enables 14-day continuous operation on a single coin cell battery, ideal for compact wearable CGM devices.

📡

Wireless Connectivity

Integrated BLE 5.0 for seamless smartphone connectivity, enabling real-time data sync, alerts, and cloud-based analytics.

🔧

High Integration

Built-in glucose AFE, temperature sensor, and wireless transceiver reduce external components and simplify PCB design.

📊

Advanced Algorithms

Supports calibration algorithms, trend analysis, and predictive alerts for hypo/hyperglycemia events.

🛡️

Medical-Grade Reliability

Excellent EMI/ESD performance and FDA/CE compliance support for medical device certification.

Recommended MCU Products

Select the optimal chip model based on your product requirements

BH66F2455

RECOMMENDED

Continuous Glucose Monitoring Flash MCU

📊 Key Specifications

VDD
2.2V~5.5V
Program Memory
8K×16
Data Memory
512×8
Data EEPROM
512×8
HIRC
4MHz
CTM
10-bit x 1
PTM
16-bit x 1
ADC
24bit x 2
Interface
SPI×1 UART×1
IO
9
Stack
16
OPA
3
Package
QFN24
AFE
CGM

Features

View Datasheet →

HT32F67595

32-Bit Arm® Cortex®-M33/M0+ Dual Core BLE MCU

📊 Key Specifications

VDD
1.8V~3.6V
Program Memory
1024KB
Data Memory
256KB
Package
28LGA

Features

View Datasheet →

Development Support & Resources

Comprehensive development resources to accelerate your time-to-market

📐

Reference Design

Complete CGM reference design with schematics, PCB layout, and BOM

💻

SDK & Drivers

BLE stack, AFE drivers, and sample code for rapid development

🧮

Algorithm Library

Calibration algorithms, trend analysis, and alert algorithms

🔧

Development Tools

Dedicated programmer/debugger and configuration tools

📚

Technical Documentation

Datasheets, application notes, and design guidelines

🎓

Training & Webinars

CGM design training and technical webinars

Need More Technical Support?

Our technical team is ready to provide professional consultation and customized solutions

Frequently Asked Questions

What is the typical sensor life for CGM devices?

Our CGM solution supports sensor life of 7-14 days, depending on sensor chemistry and calibration requirements. The ultra-low power design enables extended operation on a single coin cell battery.

Does the solution support smartphone connectivity?

Yes, integrated BLE 5.0 enables seamless connectivity with iOS and Android smartphones for real-time data sync, alerts, and cloud-based analytics.

What calibration is required for CGM devices?

Our solution supports both factory calibration and user calibration modes. We provide calibration algorithms and reference designs to minimize calibration frequency.

Can the MCU support predictive alerts?

Yes, with sufficient memory and processing power, our MCU can run trend analysis algorithms to predict hypo/hyperglycemia events and trigger alerts.

Is the solution compliant with medical device regulations?

Our MCU is designed to support FDA/CE medical device certification. We provide technical documentation and support to assist with regulatory compliance.

What is the typical power consumption?

Sleep current <1.0μA, active current ~2-3mA during measurement. With optimized duty cycle, a CR2032 battery can support 14 days of continuous operation.