| Mfr Part | Datasheet | Manufacturer | Current Rating | Sensor Type | Response Time | Operating Supply Voltage | Output Type | Operating Temperature | Accuracy | Package / Case | Supply Current (Max) | Sensitivity | Function |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ACS724LLCTR-10AB-T |  |
ALLEGRO | ±10 A | Hall Effect, Open Loop | ~4 µs | 4.5 V to 5.5 V | Ratiometric Voltage | -40 °C to +150 °C | ~±1 % | 8-SOIC | 14 mA | ~200 mV/A | AC/DC Current Sensing |
ACS724LLCTR-10AB-T
Manufacturer: Allegro MicroSystems
Logic Cells: Hall-effect isolated current sensor IC
Logic Slices: Differential Hall sensing and signal conditioning
Embedded RAM (eRAM): –
Package: SOIC-8
Operating Temperature: -40 °C to +150 °C
Specifications
ACS724LLCTR-10AB-T is an Allegro MicroSystems galvanically isolated linear Hall-effect current sensor, designed for accurate bidirectional AC/DC current measurement in industrial power conversion, motor drive and energy monitoring systems.
👉 It’s not a low-precision non-isolated shunt current sensing chip.
👉 It’s a high-noise-rejection isolated current sensor with wide temperature range for harsh industrial and power supply equipment.
Key Features of ACS724LLCTR-10AB-T Current Sensor IC
Power electronics designers and automation engineers adopt ACS724LLCTR-10AB-T for its superior isolation, low loss and stable measurement accuracy:
- ±10 A bidirectional current sensing range with 200 mV/A sensitivity at 5 V supply
- 2400 Vrms galvanic isolation between primary current path and signal circuit for safety compliance
- Ultra-low 1.2 mΩ internal primary conductor resistance to minimize power dissipation and heat generation
- Differential Hall sensing architecture that suppresses external common-mode magnetic interference
- Integrated internal shielding eliminates capacitive coupling noise from high dv/dt switching transients
- 120 kHz high bandwidth analog output with fast response for real-time current loop control
- Dedicated filter pin for users to adjust bandwidth, optimizing measurement resolution at low frequencies
- Built-in digital temperature compensation delivers consistent accuracy across full operating temperature
- Chopper-stabilized circuit achieves near-zero magnetic hysteresis and stable quiescent output voltage
- Single 4.5 V–5.5 V supply voltage, ratiometric analog output centered at 2.5 V under zero current
- Fully factory-calibrated sensitivity and offset voltage to reduce system calibration workload
- Compact low-profile SOIC8 surface mount package, tape-and-reel (TR) packaging format
- Wide operating temperature range: -40°C to +150°C for high-temperature power equipment environments
- RoHS-compliant matte tin lead frame, compatible with standard SMT mass production processes
Typical applications
Industrial AC/DC motor control and servo drive systems
DC-DC switching power supplies and server power modules
Solar micro-inverters, string inverters and energy storage equipment
Battery management systems and charge/discharge current monitoring
Overcurrent fault protection for industrial control boards
Automated factory load detection and power consumption monitoring
Medical power conversion and precision analytical instruments
Uninterruptible power supply (UPS) and communication network power units
LXB Semicon supplies original ACS724LLCTR-10AB-T current sensor IC
