ACS758LCB-100B-PFF-T 5V 10mA 4us Board Mount Current Sensors Electronic Component

Thermally Enhanced, Fully Integrated, Hall-Effect-Based Linear Current Sensor IC with 100 µΩ Current Conductor

1 FEATURES AND BENEFITS
• Industry-leading noise performance through proprietary amplifier and filter design techniques
• Integrated shield greatly reduces capacitive coupling from current conductor to die due to high dV/dt signals, and prevents offset drift in high-side, high-voltage applications
• Total output error improvement through gain and offset trim over temperature
• Small package size, with easy mounting capability
• Monolithic Hall IC for high reliability • Ultralow power loss:100 µΩ internal conductor resistance
• Galvanic isolation allows use in economical, high-side current sensing in high-voltage systems
• AEC-Q100 qualified

2 DESCRIPTION

The Allegro™ ACS758 family of current sensor ICs provides economical and precise solutions for AC or DC current sensing. Typical applications include motor control, load detection and management, power supply and DC-to-DC converter control, inverter control, and overcurrent fault detection.

The device consists of a precision, low-offset linear Hall circuit with a copper conduction path located near the die. Applied current flowing through this copper conduction path generates a magnetic field which the Hall IC converts into a proportional voltage. Device accuracy is optimized through the close proximity of the magnetic signal to the Hall transducer. A precise, proportional output voltage is provided by the low-offset, chopper-stabilized BiCMOS Hall IC, which is programmed for accuracy at the factory. High-level immunity to current conductor dV/dt and stray electric fields, offered by Allegro proprietary integrated shield technology, provides low output voltage ripple and low offset drift in high-side, high-voltage applications.

The output of the device has a positive slope (>VCC/ 2) when an increasing current flows through the primary copper conduction path (from terminal 4 to terminal 5), which is the path used for current sampling. The internal resistance of this conductive path is 100 µΩ typical, providing low power loss. The thickness of the copper conductor allows survival of the device at high overcurrent conditions. The terminals of the conductive path are electrically isolated from the signal leads

Specifications

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Shenzhen Retechip® Electronic Technology Co., Ltd. was established in 2013, specializing in electronic components distribution business.The products are widely used in communication equipment, power supply, medical electronics, automotive electronics, digital electronics, industrial electronics, display modules, intelligent electronics, new energy, the Internet of things, 5G productsand other fields，With high-quality products, reasonable prices, rapid distributionand timely service, we can provide customers with the most cost-effective products and save customers a lot of time.