Boardoza_ACS758LCB-050B_Hall_Effect_Current_Sensor_Breakout_Board
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Boardoza ACS758LCB-050B Current Sensor Breakout Board
The Boardoza ACS758LCB-050B Breakout Board is a high-current Hall-effect current sensing solution based on the Allegro MicroSystems ACS758LCB-050B-PFF-T integrated circuit. It accurately measures bidirectional AC or DC currents up to ±50 A while providing galvanic isolation between the high-current path and the low-voltage measurement circuitry. This enables safe and reliable current monitoring without introducing significant power loss into the system.
Designed for embedded systems, industrial equipment, battery-powered applications, motor control, power supplies, and energy monitoring projects, this breakout board provides a simple analog voltage output that can be directly connected to the ADC input of most microcontrollers. Its fast response time, low conductor resistance, and factory-calibrated performance make it an excellent choice for accurate current measurement in demanding applications.
| Front Side | Back Side |
|---|---|
Key Features
- Bidirectional Current Measurement: Measures both AC and DC currents across a ±50A sensing range.
- Galvanically Isolated Sensing: Hall-effect technology electrically isolates the high-current path from the low-voltage signal output.
- Analog Voltage Output: Provides a ratiometric analog signal that can be measured using a microcontroller ADC input.
- Fast Current Response: Features a typical 3µs rise time for monitoring rapidly changing loads.
- Wide Measurement Bandwidth: Supports a typical bandwidth of 120kHz for dynamic current sensing applications.
- Low Power Loss: The low-resistance primary conductor minimizes voltage drop and heat generation at high currents.
- Factory-Calibrated Performance: Factory trimming improves output accuracy and measurement consistency.
- Stable Magnetic Operation: Nearly zero magnetic hysteresis helps maintain reliable readings over repeated current cycles.
Technical Specifications
Model: ACS758LCB-050B
Manufacturer: Boardoza
Manufacturer: Allegro MicroSystems
Functions: Hall-effect AC/DC Current Sensor
Input Voltage: 3V – 5.5V
Primary Sampled Current: ±50A
Current Directionality: Bidirectional
Output Type: Analog ratiometric voltage
Zero Current Output Level: VCC/2
Sensitivity: Typical 40 mV/A
Bandwidth: Typical 120 kHz
Response Time: Typical 3 µs
Supply Current: Typical 10 mA (13.5 mA max)
Operating Temperature: -40°C to +150°C
Board Dimensions: 40mm × 20mm
Board Pinout
( J1 ) Signal Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Power supply input (3V–5.5V) |
| 2 | VOUT | Analog voltage output |
| 3 | GND | Ground |
( J2 ) Current Input
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | IN | Current input terminal |
( J3 ) Current Output
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | OUT | Current output terminal |
Board Dimensions
Step Files
Datasheet
ACS758LCB-050B-PFF-T Datasheet.pdf
Version History
- V1.0.0 - Initial Release
Support
- If you have any questions or need support, please contact [email protected]
License
This repository contains both hardware and software components:
Hardware Design
All hardware design files are licensed under Creative Commons Attribution-ShareAlike 4.0 International License.
Software/Firmware
All software and firmware are licensed under BSD 3-Clause License.
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