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ACS764 데이터시트(PDF) 2 Page - Allegro MicroSystems

부품명 ACS764
상세설명  Fully Integrated, Hall-Effect Based Current Sensor IC
PDF  22 Pages
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제조업체  ALLEGRO [Allegro MicroSystems]
홈페이지  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

ACS764 데이터시트(HTML) 2 Page - Allegro MicroSystems

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Fully Integrated, Hall-Effect Based Current Sensor IC with I2C
Digital Output and Low-Resistance Current Conductor
ACS764
2
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Absolute Maximum Ratings
Characteristic
Symbol
Notes
Rating
Unit
Forward Supply Voltage
VCC
7V
Forward ¯F¯¯A¯¯¯U¯¯L¯¯T¯ Pin Voltage
VFAULT
24
V
DC Forward Voltage (A0, A1, FREEZE
pins)
VFDCx
7V
DC Reverse Voltage (VCC, A0, A1,
¯F¯¯A¯¯¯U¯¯L¯¯T¯, FREEZE pins)
VRDCx
–0.5
V
Operating Ambient Temperature
TA
X temperature range
–20 to 125
ºC
Maximum Junction Temperature
TJ(max)
165
ºC
Storage Temperature
Tstg
–65 to 165
ºC
Selection Guide
Part Number
Packing*
Operating Ambient
Temperature,TA
(°C)
Optimized
Current Sensing
Range
(A)
Optimized
Nominal Resolution
(mA/LSB)
ACS764XLFTR-32AU-T
Tape and reel, 2500 pieces/reel
–20 to 125
32
62.62
ACS764XLFTR-16AU-T
Tape and reel, 2500 pieces/reel
–20 to 125
16
31.31
*Contact Allegro™ for additional packing options.
• Less than 0.5 mΩ series resistance greatly reduces power
dissipation and heat generation
• Factory programmed temperature compensation stabilizes
sensitivity and offset voltage throughout the operating
temperature range
• 16 programmable I2C addresses
• Unidirectional DC current sensing and reporting
• Immunity to stray magnetic fields simplifies PCB layout
Features and Benefits (continued)
Thermal Characteristics
Characteristic
Symbol
Test Conditions
Value
Unit
Steady State Package Thermal Resistance
RθJA
Tested with 30 A DC current and based on ACS764
demo board in 1 cu. ft. of still air. Please refer to product
FAQs page on Allegro website for detailed information on
ACS764 demo board.
27
ºC/W



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