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ACS764 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part # ACS764
Description  Fully Integrated, Hall-Effect Based Current Sensor IC
PDF  22 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

ACS764 Datasheet(HTML) 3 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
3
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Functional Block Diagram
Tuned
Filter
Digital
Controller
Temperature
Sensor
Sensitivity
Master Current
Supply
Control
Offset
Control
Hall Drive
VCC
GND
CBYPASS
EEPROM
ADC
Data
Averaging
Fault Logic
I2C
Interface
SDA
FREEZE
SCL
A0
A1
FAULT
IP–
IP+
POR and
Reset
To all subcircuits
Pin-out Diagram
Terminal List Table
Number
Name
Function
1 to 7
IP+
Primary current path input terminals
8
VCC
Device power supply
9
SDA
I2C control: interface data signal input/output
10
SCL
I2C control: clock signal input/output
11
GND
Device ground
12,13
NC
No internal connection; connect to GND for optimal ESD performance
14
FREEZE
Digital output register freezing control input; pull-up to stop Data
register updating
15
¯F¯¯A¯¯¯U¯¯L¯¯T¯
IP fault flag output; active low
16
A0
I2C control: address input 0
17
A1
I2C control: address input 1
18 to 24
IP–
Primary current path output terminals
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
IP+
IP+
IP+
IP+
IP+
IP+
IP+
VCC
SDA
SCL
GND
NC
IP–
IP–
IP–
IP–
IP–
IP–
IP–
A1
A0
FAULT
FREEZE
NC



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