ACS755 Allegro Micro Systems, Inc., ACS755 Datasheet
ACS755
Manufacturer Part Number
ACS755
Description
Manufacturer
Allegro Micro Systems, Inc.
Datasheet
1.ACS755.pdf
(10 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ACS755KCB-150-PSF
Manufacturer:
Allegro
Quantity:
146
Company:
Part Number:
ACS755LCB-100-PFF
Manufacturer:
MURATA
Quantity:
3 400
Company:
Part Number:
ACS755LCB-100-PFS
Manufacturer:
ALLEGRO
Quantity:
1 200
Company:
Part Number:
ACS755SCB-100-PFF
Manufacturer:
Allegro
Quantity:
306
ACS755050-DS, Rev. 2
Supply Voltage, V
Reverse Supply Voltage, V
Output Voltage, V
Reverse Output Voltage, V
Output Current Source, I
Output Current Sink, I
Operating Temperature,
Maximum Junction, T
Maximum Storage Temperature, T
Package CB-PFF
Package CB-PSF
Package CB-PSS
AB SO LUTE MAX I MUM RAT INGS
Ambient, T
Ambient, T
Pin 1: VCC
Pin 2: GND
Pin 3: VOUT
1
A
A
2
, L range ..................... –40 to 150ºC
, S range ....................... –20 to 85ºC
1
3
1
OUT
CC
2
2
3
.......................................... 16 V
TÜV America
Certifi cate Number:
U8V 04 11 54214 001
3
J(max)
........................................ 16 V
OUT(Sink)
OUT(Source)
ROUT
5
RCC
............................. 165°C
Current Sensor: ACS755xCB-050
5
5
Terminal 4: IP+
Terminal 5: IP–
........................ –16 V
.......................10 mA
...................... –0.1 V
4
S
................. 3 mA
4
.... –65 to 170°C
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 fl owing through
this copper conduction path generates a magnetic fi 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 fl 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.
Features and Benefi ts
• Monolithic Hall IC for high reliability
• Single +5 V supply
• 3 kV
• 18 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
Use the following complete part numbers when ordering:
ACS755SCB-050-PSF
ACS755SCB-050-PSS
ACS755LCB-050-PFF
ACS755LCB-050-PSF
ACS755LCB-050-PSS
ACS755SCB-050-PFF
Part Number
RMS
isolation voltage between terminals 4/5 and pins 1/2/3
Signal Pins
Formed
Formed
Straight
Formed
Formed
Straight
• Power conversion
• Battery monitors
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Terminals
Formed
Straight
Straight
Formed
Straight
Straight
–40 to 150°C
–20 to 85°C
Ambient
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