Current Sensor. ACS755SCB-100-PSS Datasheet

ACS755SCB-100-PSS Sensor. Datasheet pdf. Equivalent

Part ACS755SCB-100-PSS
Description Current Sensor
Feature Current Sensor: ACS755xCB-100 5 Package CB-PFF 4 1 23 5 Package CB-PSF 4 1 23 Package CB-PSS .
Manufacture Allegro MicroSystems
Datasheet
Download ACS755SCB-100-PSS Datasheet



ACS755SCB-100-PSS
Current Sensor: ACS755xCB-100
5
Package CB-PFF
4
1 23
5
Package CB-PSF
4
1 23
Package CB-PSS
5
4
The Allegro ACS75x family of current sensors provides economical and
precise solutions for current sensing in industrial, automotive, commercial, and
communications systems. The device package allows for easy implementation by
the customer. Typical applications include load detection and management, power
supplies, and overcurrent fault protection.
The device consists of a precision, low-offset linear Hall sensor circuit with a
copper conduction path located near the die. Applied current owing through
this copper conduction path generates a magnetic eld which is sensed by the
integrated Hall IC and converted 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 at the factory.
The output of the device will be valid when the current ows from pin 4 to pin 5.
The internal resistance of this conductive path is typically 100 μΩ, providing
low power loss. The thickness of the copper conductor allows survival of the
device at up to 5× overcurrent conditions. The terminals of the conductive path
are electrically isolated from the sensor leads (pins 1 through 3). This allows the
ACS75x family of sensors to be used in applications requiring electrical isolation
without the use of opto-isolators or other costly isolation techniques.
The device is fully calibrated prior to shipment from the factory. The ACS75x
family is lead-free. All leads are coated with 100% matte tin, and there is no lead
inside the package. The heavy gauge leadframe is made of oxygen-free copper.
123
Pin 1: VCC
Pin 2: GND
Pin 3: VOUT
Terminal 4: IP+
Terminal 5: IP–
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VCC .......................................... 16 V
Reverse Supply Voltage, VRCC ........................ –16 V
Output Voltage, VOUT ........................................ 16 V
Reverse Output Voltage, VROUT...................... –0.1 V
Output Current Source, IOUT(Source) ................. 3 mA
Output Current Sink, IOUT(Sink).......................10 mA
Operating Temperature,
Ambient, TA, L range ..................... –40 to 150ºC
Ambient, TA, S range ....................... –20 to 85ºC
Maximum Junction, TJ(max)............................. 165°C
Maximum Storage Temperature, TS .... –65 to 170°C
TÜV America
Certicate Number:
U8V 04 11 54214 001
Features and Benets
• Monolithic Hall IC for high reliability
• Single +5 V supply
• 3 kVRMS isolation voltage between terminals 4/5 and pins 1/2/3
• 27 kHz bandwidth
• Automotive temperature range
• End-of-line factory-trimmed for gain and offset
• Ultra-low power loss: 100 μΩ internal conductor resistance
• Ratiometric output from supply voltage
• Extremely stable output offset voltage
• Small package size, with easy mounting capability
• Output proportional to ac and dc currents
Applications
• Automotive systems
• Industrial systems
• Power conversion
• Battery monitors
Use the following complete part numbers when ordering:
Part Number
ACS755LCB-100-PFF
ACS755LCB-100-PSF
ACS755LCB-100-PSS
ACS755SCB-100-PFF
ACS755SCB-100-PSF
ACS755SCB-100-PSS
Signal Pins
Formed
Formed
Straight
Formed
Formed
Straight
Terminals
Formed
Straight
Straight
Formed
Straight
Straight
Ambient
–40 to 150°C
–20 to 85°C
ACS755100-DS, Rev. 2
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000



ACS755SCB-100-PSS
Current Sensor: ACS755xCB-100
Functional Block Diagram
IP–
Terminal 5
VCC
Pin 1
+5 V
Voltage
Regulator
To all subcircuits
Amp
Out
VOUT
Pin 3
0.1 μF
Gain
Temperature
Coefficient
Trim Control
Offset
IP+
Terminal 4
GND
Pin 2
ACS755100-DS, Rev. 2
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
2





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