ACS758 MCU-758 Current Module Linear Hall Current Sensor ACS758LCB-100B-PFF-T Current Detection 3-5V Environmental Protection
Description:
The MCU-758 ACS758LCB-100B-PFF-T Hall Current Sensor Module is a high-precision, bidirectional current sensing module based on the Allegro ACS758 Hall-effect IC. It is designed to measure both AC and DC currents up to ±100A with excellent accuracy and electrical isolation.
This module uses Hall-effect technology, allowing non-intrusive current measurement without direct electrical contact with the measured circuit. It provides a ratiometric analog voltage output proportional to the current flowing through the conductor.
It is widely used in applications such as motor control, power monitoring, inverters, battery management systems, and overcurrent protection circuits.
Specifications:
Model: ACS758LCB-100B-PFF-T
Current Range: ±100A (bidirectional)
Sensor Type: Hall Effect (Open Loop)
Supply Voltage: 3.0V – 5.5V
Output Type: Analog Voltage (ratiometric)
Sensitivity: ~40 mV/A
Accuracy: ±2% typical
Bandwidth: Up to 120 kHz
Response Time: ~4 µs
Current Consumption: Max 13.5 mA
Operating Temperature: -40°C to +150°C
Internal Conductor Resistance: ~100 µΩ
Output Offset Voltage: Vcc/2 (zero current point)
Isolation: High (Hall-effect based, no direct electrical contact)
Dimensions: Approx. 38 × 18 mm
Key Features:
 Measures both AC and DC current
Bidirectional sensing (positive & negative current)
High accuracy and low noise output
Electrical isolation between load and control circuit
Fast response time (µs range)
 Built-in temperature compensation for stable readings
 Integrated shield reduces noise and interference
 Low power consumption
 Compact module with easy mounting
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