Datasheet ACS71240 (Allegro) - 3

Automotive-Grade, Galvanically Isolated Current Sensor IC ACS71240 with Common-Mode Field Rejection and Overcurrent Detection in Small Footprint Low-Profile Packages ABSOLUTE MAXIMUM RATINGS Characteristic Symbol Notes Rating Units
Supply Voltage VCC 6 V Reverse Supply Voltage VCC(R) –0.5 V Output Voltage VIOUT VCC + 0.7 V Reverse Output Voltage VIOUT(R) –0.5 V FAULT Voltage VFAULT 25 V Reverse FAULT Voltage VFAULT(R) –0.5 V Range K (QFN-12 package) –40 to 125 °C Operating Ambient Temperature Range TA Range L (SOIC-8 package) –40 to 150 °C Junction Temperature TJ(MAX) 165 °C Storage Temperature Range Tstg –65 to 170 °C
ISOLATION CHARACTERISTICS (for SOIC-8 package only) Characteristic Symbol Notes Value Units
Dielectric Surge Strength Test Voltage V Tested ±5 pulses at 2/minute in compliance to IEC 61000-4-5 SURGE 1.2 µs (rise) / 50 µs (width). 6000 V Agency type-tested for 60 seconds per UL 60950-1 Dielectric Strength Test Voltage VISO (edition 2); production-tested at VISO for 1 second, in 2400 VRMS accordance with UL 60950-1 (edition 2) 420 V Working Voltage for Basic Isolation V Maximum approved working voltage for basic (single) PK or VDC WVBI isolation according to UL 60950-1 (edition 2) 297 VRMS Clearance Dcl Minimum distance through air from IP leads to signal leads 4.2 mm Creepage D Minimum distance along package body from IP leads to cr signal leads 4.2 mm
ISOLATION CHARACTERISTICS (for QFN-12 package only) Characteristic Symbol Notes Value Units
Working Voltage for Basic Isolation [1] VWVBI Voltage applied between pins 1-4 and 5-12 100 VPK or VDC [1] Based on characterization. No agency testing was conducted. 3 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com