5A 1 Channel Hall Effect Current Sensor Chip , ACS712ELCTR-05B-T Integrated Circuits & Chips
electronic ic chip
,ic integrated chip
ACS712ELCTR-05B-T ACS712 Current Sensor Chip 5A 1 Channel Hall Effect 8-SOIC Transducers
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor
Description
The AllegroTM ACS712 provides economical and precise solutionsforACorDCcurrentsensinginindustrial, 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 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 voltage is provided by the low-offset, chopper-stabilized BiCMOS Hall IC, which is programmed for accuracy after packaging.
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
ACS712ELCTR-05B-T
ACS712ELCTR-20A-T
ACS712ELCTR-30A-T
|
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 |
|
Characteristic |
Symbol |
Notes |
Rating |
Unit |
|
Dielectric StreCM GROUPh Test Voltage* |
VISO |
Agency type-tested for 60 seconds per UL standard 60950-1, 1st Edition |
2100 |
VAC |
|
Working Voltage for Basic Isolation |
VWFSI |
For basic (single) isolation per UL standard 60950-1, 1st Edition |
354 |
VDC or Vpk |
|
Working Voltage for Reinforced Isolation |
VWFRI |
For reinforced (double) isolation per UL standard 60950-1, 1st Edition |
184 |
VDC or Vpk |
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