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 SN | Pin name | Input/output | Description |
|---|---|---|---|
| 1 | VDD | Chip power supply | Chip power supply |
| 2 | IP | Analog input | Positive input terminal for differential signal of current, the maximal effective value of differential input voltage is ±30.9mV |
| 3 | IN | Analog input | Negative input terminal for differential signal of current, the maximal effective value of differential input voltage is±30.9mV |
| 4 | VP | Analog input | Positive input terminal of voltage signal, the maximum effective value of input voltage is ±495mV |
| 5 | GND | Chip ground | Grounding of chip |
| 6 | TX | Digital output | UART data output port |
| 7 | PF | Output | Outputting active high frequency rectangular wave pulse, duty ratio is 50% |
| 8 | RX | Digital input | UART data input port (reserved port which does not needed to used by user) |
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