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ACS712ELCTR-20A-T Electronic IC Chip Current Sensor 20A 1 Channel Hall Effect

Categories Electronic IC Chip
Model Number: ACS712ELCTR-20A-T
Place of Origin: Original
Brand Name: Original Manufacturer
Certification: Rosh
MOQ: 1
Price: Negotiation
Packaging Details: Original Packing
Delivery Time: In stock
Payment Terms: TT, Paypal, Western Union And So On
Supply Ability: 80000
For Measuring: AC/DC
Sensor Type: Hall Effect, Open Loop
Current - Sensing: 20A
Number of Channels: 1
Output: Ratiometric, Voltage
Sensitivity: 100mV/A
Frequency: DC ~ 80kHz
Linearity: ±1.5%
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ACS712ELCTR-20A-T Electronic IC Chip Current Sensor 20A 1 Channel Hall Effect


ACS712ELCTR-20A-T Electronic IC Chip Current Sensor 20A 1 Channel Hall Effect, Open Loop Bidirectional 8-SOIC (0.154", 3


For Measuring

AC/DC


Sensor Type

Hall Effect, Open Loop


Current - Sensing

20A


Number of Channels

1


Output

Ratiometric, Voltage


Sensitivity

100mV/A


Frequency

DC ~ 80kHz


Linearity

±1.5%


Accuracy

±1.5%


Voltage - Supply

5V


Response Time



Current - Supply (Max)

13mA


Operating Temperature

-40°C ~


Features and Benefits

▪ Low-noise analog signal path

▪ Device bandwidth is set via the new FILTER pin

▪ 5 µs output rise time in response to step input current

▪ 80 kHz bandwidth

▪ Total output error 1.5% at TA= 25°C

▪ Small footprint, low-profile SOIC8 package

▪ 1.2 mΩ internal conductor resistance

▪ 2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-8

▪ 5.0 V, single supply operation

▪ 66 to 185 mV/A output sensitivity

▪ Output voltage proportional to AC or DC currents

▪ Factory-trimmed for accuracy

▪ Extremely stable output offset voltage

▪ Nearly zero magnetic hysteresis

▪ Ratiometric output from supply voltage

Description

The Allegro™ ACS712 provides economical and precise solutions forAC or DC current sensing in industrial, commercial, and communications systems. The device package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, switch- mode power supplies, and overcurrent fault protection. The device is not intended for automotive applications.

The device consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction pathgeneratesamagnetic field which the Hall ICconverts intoa proportionalvoltage. Device accuracyisoptimizedthroughthe close proximity of the magnetic signal to the Hall transducer. A precise, proportional voltage is provided by the low-offset, chopper-stabilized BiCMOS Hall IC, which is programmed for accuracy after packaging.

The output of the device has a positive slope (>VIOUT(Q)) when an increasing current flows through the primary copper conduction path (from pins 1 and 2, to pins 3 and 4), which is the path used for current sampling. The internal resistance of this conductive path is 1.2 mΩ typical, providing low power loss. The thickness of the copper conductor allows survival ofContinued on the next page…

Selection Guide

Part Number

Packing*

TA (°C)

Optimized Range, IP (A)

Sensitivity, Sens (Typ) (mV/A)

ACS712ELCTR-05B-T

Tape and reel, 3000 pieces/reel

–40 to 85

±5

185

ACS712ELCTR-20A-T

Tape and reel, 3000 pieces/reel

–40 to 85

±20

100

ACS712ELCTR-30A-T

Tape and reel, 3000 pieces/reel

–40 to 85

±30

66

*Contact Allegro for additional packing options.


Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Units

Supply Voltage

VCC


8

V

Reverse Supply Voltage

VRCC


–0.1

V

Output Voltage

VIOUT


8

V

Reverse Output Voltage

VRIOUT


–0.1

V

Output Current Source

IIOUT(Source)


3

mA

Output Current Sink

IIOUT(Sink)


10

mA

Overcurrent Transient Tolerance

IP

1 pulse, 100 ms

100

A

Nominal Operating Ambient Temperature

TA

Range E

–40 to 85

ºC

Maximum Junction Temperature

TJ(max)


165

ºC

Storage Temperature

Tstg


–65 to 170

ºC

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