Datasheet ACS37800 (Allegro) - 3

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Isolated, Digital Output, Power Monitoring IC ACS37800 with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging ABSOLUTE MAXIMUM RATINGS Characteristic Symbol Notes Rating Units
Supply Voltage VCC 6.5 V Reverse Supply Voltage VRCC –0.5 V Input Voltage VINP, VINN VCC + 0.5 V Reverse Input Voltage VRNP, VRNN –0.5 V Digital I/O Voltage VDIO 6 V SPI, I2C, and general purpose I/O Reverse Digital I/O Voltage VRDIO –0.5 V Maximum Continuous Current ICMAX TA = 25°C 60 A Operating Ambient Temperature TA Range K –40 to 125 °C Junction Temperature TJ(max) 165 °C Storage Temperature Tstg –65 to 170 °C
ISOLATION CHARACTERISTICS Characteristic Symbol Notes Rating Unit
Agency type-tested for 60 seconds per UL 60950-1 Dielectric Strength Test Voltage V (edition 2) and UL 62368-1 (edition 1); Production tested ISO at 3000 V 4800 VRMS RMS for 1 second, in accordance with UL 60950-1 (edition 2) and UL 62368-1 (edition 1) 1480 VPK or VDC Working Voltage for Basic Isolation V Maximum approved working voltage for basic (single) isolation WVBI according to UL 60950-1 (edition 2) and UL 62368-1 (edition 1) 1047 VRMS 730 VPK or VDC Working Voltage for Reinforced Isolation V Maximum approved working voltage for reinforced isolation WVRI according to UL 60950-1 (edition 2) and UL 62368-1 (edition 1) 517 VRMS Clearance Dcl Minimum distance through air from IP leads to signal leads 7.5 mm Creepage D Minimum distance along package body from IP leads to signal cr leads 7.9 mm Distance Through Insulation DTI Minimum internal distance through insulation 90 μm Comparative Tracking Index CTI Material Group II 400 to 599 V
ESD RATINGS Characteristic Symbol Notes Value Unit
Human Body Model VHBM Per JEDEC JS-001 ±5 kV Charged Device Model VCDM Per JEDEC JS-002 ±1 kV
THERMAL CHARACTERISTICS Characteristic Symbol Test Conditions [1] Value Units
Mounted on the Allegro ASEK37800 evaluation board with 750 mm2 of 4 Package Thermal Resistance oz. copper on each side, connected to pins 1 and 2, and to pins 3 and 4, (Junction to Ambient) RθJA with thermal vias connecting the layers. Performance values include the 23 °C/W power consumed by the PCB. Package Thermal Resistance (Junction to Lead) RθJL Mounted on the Allegro ACS37800 evaluation board. 5 °C/W [1] Refer to the Thermal Performance section below. 3 Allegro MicroSystems 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 ESD Ratings Thermal Characteristics Functional Block Diagram Pinout Diagram and Terminal List Electrical Characteristics 15B5 Performance Characteristics 30B3 Performance Characteristics 90B3 Performance Characteristics I2C Operating Characteristics SPI Operating Characteristics Theory of Operation Introduction Voltage and Current Measurements Overcurrent Measurement Path Trim Methods Power Calculations Operational Block Diagram Configurable Settings Configuring the DIO Pins (I2C Devices) Configuring the Device for AC Applications Device EEPROM Settings Voltage Measurement Current Measurement Configuring the Device for DC Applications Device EEPROM Settings Voltage Measurement Current Measurement RMS and Power Accuracy vs. Operation Point RMS and Power Output Error vs. Applied Input 15B5 IRMS and Power Error 30B3 IRMS and Power Error 90B3 IRMS and Power Error Digital Communication Communication Interfaces SPI Registers and EEPROM EEPROM Error Checking and Correction (ECC) I2C Slave Adressing EEPROM/Shadow Memory Map Register Details – EEPROM Volatile Memory Map Register Details - Volatile Application Information Thermal Rise vs. Primary Current ASEK37800 Evaluation Board Layout Recommended PCB Layout Package Outline Drawing