Automated Electronic Smart Meters

Automated electronic smart meters offer the utility market the benefits of improved reliability and accuracy, ease of calibration, security and advanced billing features. Regardless of what is being measured, gas, water, heat or electricity, Silicon Labs provides a host of low power devices that assist in the communications, sensing, calibration, timing and processing of the meter including fm radio ICs, low power MCUs, wireless MCUs and ISM band transceiver ICs.

Electricity Meters Gas and Water Meters
Heat Meters Metering Aggregator
Heat Cost Allocators
  
 

 

Silicon Labs' Solutions for Metering Systems

Customer Requirements  Silicon Labs Solutions 

Control & Calibration
Varies by type of meter, compensate for small variations in the measuring mechanism

C8051F9xx Low Power MCUs

Si10xx Wireless MCUs 

Time-keeping
Varies by meter type but includes temp sensors, flow sensors, shunt resistor, isolation transformer, current transformer

Embedded RTC in C8051F MCUs 

Communications
Configure parameters in the meter and transfer stored data to a host via wired or wireless connection

Si443x EZRadioPRO radios

Si10xx Wireless MCUs 

ISOmodem Embedded Modems

Power Management
Low-power and system robustness in the event of a primary source of energy goes down

C8051F9xx MCUs

High efficiency PWM controller for AC/DC conversion

Isolation 
Components must be certified and meet international standards for isolation and surge specifications as well as security and reliability requirements

Si84xx Digital Isolators

 

Display
Interface to low cost and low power LCD and LED displays in seven-segment, alphanumeric or matrix format

CP2400 LCD Controller Capability

 

Synchronization
Reliable transmission of data to central hub to enable data analysis and accurate billing

Si443x EZRadioPRO ISM band transceivers

Si47xx FM Radio ICs with RDS