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ACS754XCB-050 Datasheet

  • ACS754XCB-050

  • Current Sensor

  • 11頁(yè)

  • ALLEGRO   ALLEGRO

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Current Sensor: ACS754xCB-050
5
Package CB-PFF
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 motor control, 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 has a positive slope (>V
CC
/ 2) when an increasing
current
鏗?/div>
ows through the primary copper conduction path (from terminal 4 to
terminal 5), which is the path used for current sensing. The internal resistance of
this conductive path is typically 100 碌鈩? 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.
4
1
2
3
5
4
Package CB-PSF
1
2
3
5
Package CB-PSS
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 Bene鏗乼s
1
2
3
Terminal 4: IP+
Terminal 5: IP鈥?/div>
Pin 1: VCC
Pin 2: GND
Pin 3: VOUT
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
, L range .....................
鈥?0 to 150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
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 碌鈩?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
鈥?Automotive systems
鈥?Industrial systems
鈥?Motor control
鈥?Servo systems
鈥?Power conversion
鈥?Battery monitors
Use the following complete part numbers when ordering:
Part Number
ACS754LCB-050-PFF
ACS754LCB-050-PSF
ACS754LCB-050-PSS
ACS754SCB-050-PFF
ACS754SCB-050-PSF
ACS754SCB-050-PSS
Signal Pins
Formed
Formed
Straight
Formed
Formed
Straight
Terminals
Formed
Straight
Straight
Formed
Straight
Straight
Ambient
鈥?0 to 150擄C
T脺V America
Certi鏗乧ate Number:
U8V 04 11 54214 001
鈥?0 to 85擄C
ACS754050-DS, Rev. 3
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000

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