Commercial Weighing Scale SoC Solution
High-precision weight measurement with integrated 24-bit ADC, LCD driver, and robust design for retail, industrial, and commercial applications
Solution Overview
Commercial weighing scales require high precision, reliability, and durability for retail, industrial, and laboratory applications. Our solution integrates high-resolution 24-bit ADC, load cell interface, and advanced signal processing, enabling accurate weight measurement with excellent linearity and temperature stability. The robust design supports various scale types from kitchen scales to industrial platform scales.
Application Areas
- Retail price computing scales
- Industrial platform scales
- Kitchen and food scales
- Laboratory analytical balances
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
High-Precision Measurement
24-bit Sigma-Delta ADC with low noise performance enables ±0.01% accuracy and excellent linearity, meeting OIML R76 Class III standards for commercial scales.
Low Power Consumption
Sleep current <2.0μA, operating current ~5mA. Supports rechargeable battery or AC adapter for flexible power options.
High Integration SoC
Built-in load cell interface, LCD driver (4×40 segments), keypad interface, and voltage reference reduce external components by 25%.
Advanced Calibration
Multi-point calibration, temperature compensation, and zero tracking algorithms ensure measurement stability across temperature variations.
Robust & Reliable
Excellent ESD/EMI performance and wide operating temperature range (-20°C~60°C) suitable for harsh commercial environments.
Connectivity Options
Optional RS-232, USB, or Bluetooth interfaces for POS system integration, data logging, and remote monitoring.
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Ready to Start Your Design?
Request free samples and get access to complete reference designs, schematics, and technical support
Development Support & Resources
Comprehensive development resources to accelerate your time-to-market
Reference Design
Complete weighing scale reference design with schematics and PCB
SDK & Drivers
Load cell drivers, calibration routines, and sample code
Algorithm Library
Calibration, temperature compensation, and zero tracking algorithms
Development Tools
Programmer/debugger and configuration tools
Technical Documentation
Datasheets, application notes, and weighing scale design guidelines
Training & Webinars
Weighing scale design training and technical webinars
Need More Technical Support?
Our technical team is ready to provide professional consultation and customized solutions
Frequently Asked Questions
Does the solution meet OIML R76 standards?
Yes, our MCU's 24-bit ADC and calibration algorithms are designed to meet OIML R76 Class III accuracy requirements for commercial weighing scales.
What load cell types are supported?
Our solution supports various load cell types including strain gauge load cells (single-point, double-ended shear beam, and compression types) with sensitivity from 1mV/V to 3mV/V.
How is temperature compensation implemented?
Our algorithm library includes temperature compensation based on built-in temperature sensor readings, correcting for load cell sensitivity drift and zero offset changes.
What is the maximum weighing capacity?
The maximum capacity depends on load cell selection. Our MCU supports load cells from 1kg to 500kg capacity with appropriate resolution and accuracy.
Can the scale interface with POS systems?
Yes, our high-end MCU supports RS-232, USB, or Bluetooth interfaces for POS system integration, enabling price computing and transaction logging.
Is legal-for-trade certification supported?
Yes, we provide technical documentation and support to assist with OIML/NTEP legal-for-trade certification for commercial weighing applications.
Ready to Start Your Commercial Scale Design?
Contact our technical team to get free samples, reference designs, and expert consultation