XBLW ACS712ELCTR-30A-T(XBLW)

ACS712 is a high-performance Hall effect current sensor that can more effectively measure alternating current (AC) or direct current (DC). It can be widely used in industrial, consumer, and communication equipment.

The ACS712 series integrates a high-precision, low-noise linear Hall circuit and a low-impedance main current loop wire. When the sampling current flows through the main current loop, the magnetic field it generates induces a corresponding electrical signal on the Hall circuit. After signal processing, the circuit outputs a voltage signal, making the product output strictly proportional to the measured current value.

The linear Hall circuit is produced using advanced BCDMOS process, which includes a high-sensitivity Hall sensor, a Hall signal preamplifier, a high-precision Hall temperature compensation unit, an oscillator, a dynamic offset cancellation circuit, and an amplifier output module. In the absence of a magnetic field, the static output of the current sensor is a fixed voltage of 2.5V or 50% Vcc. Under the condition of a power supply voltage of 5V, the static output of the sensor can vary linearly with the magnetic field between 0.2V and 4.8V, with a linearity of up to 0.4%.

The dynamic offset cancellation circuit integrated in the ACS712 makes the sensitivity of the sensor unaffected by external pressure and IC packaging stress. The ACS712 is available in an SOP8 package, with an operating temperature range of -40℃ to 150℃ and complies with RoHS standards.

• Operating voltage: 4.5V - 5.5V
• Quiescent common-mode output: 2.5V or 50% Vcc
• Wide measurement range: 5A/10A/20A/30A/40A/50A
• Isolation voltage: 2500V
• High bandwidth: 120kHz
• Output response time: 4μs (typical)
• In-range stability: 1.5% @ 25℃ - 150℃; 1% @ -40℃ - 25℃
• Low-noise analog signal path
• Strong noise immunity
• High mechanical stress resistance — magnetic parameters unaffected by external pressure
• ESD (HBM): 5kV
• Operating temperature: -40℃ - 150℃

• Inverter current sensing
• Motor phase current sensing (motor control)
• Photovoltaic inverters
• Battery load sensing systems
• Current transformers
• Switching power supplies
• Overload protection devices