Single Phase, Isolated, Power Monitoring ICACS71020 with Voltage Zero Crossing and Overcurrent DetectionSELECTION GUIDEPart NumberVCC(NOM) (V)IPR (A)CommunicationProtocolTA (°C)Packing [1] ACS71020KMABTR-015B5-SPI 5 ±15 SPI Tape and reel, ACS71020KMABTR-030B3-SPI 3.3 ±30 –40 to 125 1000 pieces per reel, ACS71020KMABTR-030B3-I2C 3.3 ±30 3000 pieces per box I2C ACS71020KMABTR-090B3-I2C 3.3 ±90 [1] Contact Allegro for additional packing options. ACS 71020 K MAB TR - 015 B 5 - SPI Communication Protocol Supply Voltage: 5 – VCC = 5 V 3 – VCC = 3.3 V Output Directionality: B – Bidirectional (positive and negative current) Current Sensing Range (A) Packing Designator Package Designator Operating Temperature Range 5 Digit Part Number Allegro Current Sensor Allegro MicroSystems, LLC 2 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com Document Outline Features and Benefits Description Package Typical Application Selection Guide Absolute Maximum Ratings Isolation Characteristics Thermal Characteristics Functional Block Diagram Pinout Diagram and Terminal List Digital I/O Electrical Characteristics Data Acquisition ADCs Raw Signal Sensitivity and Offset Trim Phase Compensation Zero Crossing Power Calculations Digital Communication Registers and EEPROM EEPROM Error Checking and Correction (ECC) Memory Map Volatile Memory Map Application Connections Recommended PCB Layout Package Outline Drawing
