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ACS758LCB-100U-PFF-T

Description
IC sensor current 100a uni 3-CB
CategoryThe sensor   
File Size752KB,22 Pages
ManufacturerAll Sensors
Environmental Compliance  
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ACS758LCB-100U-PFF-T Overview

IC sensor current 100a uni 3-CB

ACS758LCB-100U-PFF-T Parametric

Parameter NameAttribute value
Datasheets
ACS758xCB
Product Photos
3-CB
Product Training Modules
Current Sens
Current Sensor ICsPerformance and Efficiency Applications
Standard Package34
CategorySensors, Transducers
FamilyCurrent Transducers
PackagingTube
For MeasuringAC/DC
Sensor TypeHall Effect, Open L
Current - Sensing100A
Number of Channels1
OutpuRatiometric, Voltage
Sensitivity40mV/A
FrequencyDC ~ 120kHz
Linearity±1.25%
Accuracy±2.4%
Voltage - Supply3 V ~ 5.5 V
Response Time4µs
Current - Supply (Max)13.5mA
Operating Temperature-40°C ~ 150°C
PolarizatiUnidirectional
Mounting TypeThrough Hole
Package / Case5-CB Formed Leads
Dynamic CatalogACS758
For Use With620-1610-ND - BOARD DEMO 758LCB-100U SENSOR
Other Names620-1354ACS758LCB100UPFFT
ACS758xCB
Thermally Enhanced, Fully Integrated, Hall Effect-Based
Linear Current Sensor IC with 100
μΩ
Current Conductor
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
Ultra-low power loss: 100
μΩ
internal conductor resistance
Galvanic isolation allows use in economical, high-side
current sensing in high voltage systems
AEC Q-100 qualified
Continued on the next page…
pe d
Ty ste
te
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 (>V
CC
/ 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
TÜV America
Certificate Number:
U8V 12 05 54214 024
UL Certified
File No.: E316429
Package: 5-pin package
PFF
Leadform
PSF
Leadform
PSS
Leadform
Continued on the next page…
Typical Application
+3.3 or 5 V
4
IP+
ACS758
VCC
1
C
BYP
0.1
μF
C
F
IP–
VIOUT
3
R
F
V
OUT
I
P
5
GND
2
Application 1. The ACS758 outputs an analog signal, V
OUT
, that
varies linearly with the uni- or bi-directional AC or DC primary
sampled current, I
P
, within the range specified. C
F
is for optimal
noise management, with values that depend on the application.
ACS758-DS, Rev. 8
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