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ACS755XCB-150 Datasheet

  • ACS755XCB-150

  • Current Sensor

  • 9頁

  • ALLEGRO   ALLEGRO

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Current Sensor: ACS755xCB-150
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
鏗?/div>
owing through
this copper conduction path generates a magnetic
鏗?/div>
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
鏗?/div>
ows from pin 4 to pin 5.
The internal resistance of this conductive path is typically 100
渭惟,
providing
low power loss. The thickness of the copper conductor allows survival of the
device at up to 5脳 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.
1
2
3
Package CB-PSF
5
4
1
2
3
Package CB-PSS
Pin 1: VCC
Pin 2: GND
Pin 3: VOUT
Terminal 4: IP+
Terminal 5: IP鈥?/div>
Features and Bene鏗乼s
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Monolithic Hall IC for high reliability
Single +5 V supply
3 kV
RMS
isolation voltage between terminals 4/5 and pins 1/2/3
35 kHz bandwidth
Automotive temperature range
End-of-line factory-trimmed for gain and offset
Ultra-low power loss: 100
渭惟
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
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
CC
..........................................
16 V
Reverse Supply Voltage, V
RCC
........................ 鈥?6
V
Output Voltage, V
OUT
........................................
16 V
Reverse Output Voltage, V
ROUT
...................... 鈥?.1
V
Output Current Source, I
OUT(Source)
.................
3 mA
Output Current Sink, I
OUT(Sink)
.......................10
mA
Operating Temperature,
Ambient, T
A
, K range.....................
鈥?0 to 125潞C
Ambient, T
A
, S range .......................
鈥?0 to 85潞C
Maximum Junction, T
J(max)
.............................
165擄C
Maximum Storage Temperature, T
S
....
鈥?5 to 170擄C
Applications
鈥?Automotive systems
鈥?Industrial systems
鈥?Power conversion
鈥?Battery monitors
Use the following complete part numbers when ordering:
Part Number
T脺V America
Certi鏗乧ate Number:
U8V 04 11 54214 001
ACS755KCB-150-PSF
ACS755KCB-150-PSS
ACS755SCB-150-PSF
ACS755SCB-150-PSS
Package
Formed signal pins
Straight signal pins
Formed signal pins
Straight signal pins
Ambient
鈥?0 to 125擄C
鈥?0 to 85擄C
ACS755150-DS, Rev. 2
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000

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