Hall Effect-based Linear Current Sensor ACS758xCB Substitute

Hall Effect-based linear current sensor SCT Series Descriptions: The SCT Current sensor ICs family provides economical andprecise solutions for ACor DCcurrent sensing.Typical applications include motor control, load detection andmanagement, power supply and DC-to-DC converter control,inverter...
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Product Details

Hall Effect-based linear current sensor SCT Series


Descriptions:

The SCT Current sensor ICs family provides economical andprecise solutions for ACor DCcurrent sensing.Typical applications include motor control, load detection andmanagement, power supply and DC-to-DC converter control,inverter control, and overcurrent fault detection.

The device consists of a precision,low-offset linear Hal1circuit with a copper conduction path located near the die.Applied current flowing through this copper conduction pathgenerates a magnetic field which the Hal1l IC converts into aproportional voltage.Device accuracy is optimized through theclose proximity of the magnetic signal to the Hall transducer.A precise,proportional output voltage is provided by thelow-offset,chopper-stabilized BiCMOS Hal1 IC,which isprogrammed for accuracy at the factory.

High level immunity to current conductor dV/dt and strayelectric fields, offered by Allegro proprietary integrated shieldtechnology, guarantees low output voltageripple and low offsetdrift in high-side, high voltage applications.

QQ20210220082825


Features and Benefits:

  • Open loop hall effect-based current sensor

  •  5V Single supply operation

  • Support unidirectional, bidirectional output, analog signal output

  • The measuring range of primary current  from ± 50A to ± 200A

  • Operation temperature range : - 40 ℃ to + 125 ° C

    (150 A is - 40C to + 105C; 200 A is - 40 ° C to + 85 ° C)

  • Zero point output voltage:

    -X R: Bias QVO and power supply VCC proportional output, Gain fixed

    VQV0 = VCCL/2 or VCC / 10

    -X F: Bias QVO and  Gain are fixed

    VQV0 = 2.50 or 0.50

  • Excellent accuracy, linearity, temperature drift

  • low internal resistance can effectively control the heating power consumption


Applications:

  • EV/HEV Electric motor controller

  • Inverter

  • DC/DC


Pin out diagram:

202101311415146a1644e658224b5196edd24384c9aba5


Terminal List Table

Number

Name

Description

1

VCC

Device power supply terminal

2

GND

Signal ground terminal

3

VIOUT

Analog output signal

4

IP+

Terminal for current being sampled

5

IP–

Terminal for current being sampled


Typical circuits:

20210131141728c1cb51233dcb411fa4982d1382acb023

20210131141923e362d2c10d714ce5a81d2a1a9ef1f3e42021013114204314bf8ccb1d2a4985b3714d422ffd94a1




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