HLW8032 Energy Metering IC

HLW8032 Sop-8High Precision Energy Metering IC

The HLW8032 IC is a high precision energy metering IC that uses a CMOS process and is primarily used in single phase applications. It measures line voltage and current and can calculate active power, apparent power and power factors. The device integrates two ∑-Δ ADCs and a high-precision energy metering core. HLW8032 can communicate data through UART port.

HLW8032 Energy Metering IC adopts 5 Volts power supply, built-in 3.579M crystal oscillator and 8PIN SOP package. HLW8032 IC has the advantages of high precision, low power consumption, high reliability, strong applicable environment, etc. It is suitable for electric energy measurement of single phase two-wire power users.

HLW8032 has a simple UART interface, using asynchronous serial communication, allowing two unidirectional pins for data communication. The UART interface only needs a low-cost photoelectric opto-coupler to realize isolated communication. UART interface is 4800 bps this is a fixed baudrate the interval time of sending data is 50mS, suitable for low-speed design.

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Characteristic of HLW8032 Energy Meter IC

• It can measure the active power, apparent power, current and voltage RMS
• Active energy pulse PF pin output
• In the dynamic range of 1000 :1, the measurement error of active power reaches 0.2%
• In the dynamic range of 1000 :1, the effective current measurement error reaches 0.5%.
• In the dynamic range of 1000 :1, the effective voltage measurement error reaches 0.5%.
• Built-in frequency oscillator
• Built-in voltage reference Source
• built-in power monitoring circuit
• UART communication mode
• SOP8 package type

Application of HLW8032 Energy Metering IC

• Smart home appliances
• Metering socket
• Smart WIFI socket
• Electric vehicle charging pile
• PDU equipment
• LED lighting
• Street light control