HLW8032

HLW8032 User manual

Manufacturer

unknown

Package

SOP-8

Overview

Part: HLW8032 from Hiliwi

Type: Single-phase Electric Energy Metering IC

Key Specs:

  • Active power measuring error: ±0.2% (dynamic range 1000:1)
  • Effective current measuring error: ±0.5% (dynamic range 1000:1)
  • Effective voltage measuring error: ±0.5% (dynamic range 1000:1)
  • Supply Voltage (VDD): 4.5V (Min), 5.0V (Typical), 5.5V (Max)
  • Operating Temperature (TA): -40°C (Min), +85°C (Max)
  • Reference Voltage (VREF): +2.3V (Min), +2.43V (Typical), +2.55V (Max)
  • Max differential input voltage (current channel): ±30.9mV
  • Max input voltage (voltage channel): ±495mV

Features:

  • Measures effective value of active power, apparent power, current and voltage
  • Outputs active electric energy pulse from PF pin
  • Built-in frequency oscillator
  • Built-in voltage reference source
  • Built-in power supply monitoring circuit
  • UART communication
  • Integrates two ∑-Δ ADCs
  • Integrates high-precision electric energy metering core
  • Built-in 3.579M crystal oscillator

Applications:

  • Intelligent household appliances
  • Metering socket
  • Smart WIFI socket
  • Charging pile for electromobile
  • PDU equipment
  • LED lighting
  • Street lamp control
  • Electric energy metering for power consumers with single-phase two-wire system

Package:

  • SOP8 packaging: dimensions not specified

Features

  • Able to measure effective value of active power, apparent power, current and voltage
  • Output of active electric energy pulse from PF pin
  • Measuring error of active power reaches 0.2% with dynamic range of 1000:1
  • Measuring error of effective current reaches 0.5% with dynamic range of 1000:1
  • Measuring error of effective voltage reaches 0.5% within dynamic range of 1000:1
  • Built-in frequency oscillator
  • Built-in voltage reference source
  • Built-in power supply monitoring circuit
  • UART communication
  • SOP8 packaging

Pin Configuration

Fig.2 chip pin Diagram

Table 1 Functional description of pins

Pin SNPin nameInput/outputDescription
1VDDChip power
supply
Chip power supply
2IPAnalog inputPositive input terminal for differential signal of
current, the maximal effective value of differential
input voltage is ±30.9mV
3INAnalog inputNegative input terminal for differential signal of
current, the maximal effective value of differential
input voltage is±30.9mV
4VPAnalog inputPositive input terminal of voltage signal,
the
maximum effective value of input voltage is
±495mV
5GNDChip groundGrounding of chip
6TXDigital outputUART data output port
7PFOutputOutputting
active high frequency rectangular wave
pulse, duty ratio is 50%
8RXDigital inputUART data input port (reserved port which does
not needed to used by user)

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