ACS758 ±50A Hall-Effect Current Sensor Pinout Explorer
Explore the ACS758LCB-050B-PFF-T pinout, specifications, and typical current-sensing connections with the interactive IC Explorer.
Click a pin in the explorer to see its specifications.
ACS758
The ACS758LCB-050B-PFF-T is a bidirectional Hall-effect current sensor for measuring AC or DC current. This popular ±50 A version has a typical sensitivity of 40 mV/A at a 5 V supply and an output near 2.5 V when no current flows. The measured current passes through the sensor’s isolated primary conductor; the VIOUT pin provides an analog signal for a suitable ADC.
ACS758LCB-050B-PFF-T Quick Facts
- Current range: ±50 A
- Sensitivity: 40 mV/A
- Zero-current output: approximately VCC/2 (about 2.5 V at 5 V)
- Supply: 3.0–5.5 V
- Output: analog voltage proportional to current
This is the most common ACS758 variant used on CJMCU-758 and MCU-758 breakout boards.
Applications
The ACS758 is often used in:
- battery current monitoring
- motor current sensing
- inverter and solar power monitoring
- overcurrent protection and load monitoring
The current path is physically isolated from the signal side, but the final PCB design still needs proper creepage, clearance, and current-carrying copper sizing.