Infineon Technologies XENSIV™ - TLE4973
Automotive current sensors in TISON package
TLE4973 works at 5 V with an analog output as well as over current detection output. One digital control and diagnostic interface provides temperature readout, safety status readout, read/write programming access to internal EEPROM. Infineon's Hall technology enables accurate and highly linear measurement. TISON-8-6 package enables optical inspection in the assembly line. The measurement range of up to ± 132 A allows to sense currents without negative effects, e.g. hysteresis and saturation.
Key features
- Galvanic 1150 V isolation between current rail and sensing circuitry
- Ultra-low ohm internal current rail (typ. 220 µΩ)
- Digital control and diagnostic interface
- Programmable sensitivity and overcurrent threshold
Additional features
- Very fast overcurrent detection (typ. response time 0.7 µs)
- ISO 26262-compliant development for safety requirements up to ASIL B, UL certified device
Applications
- Electric drivetrain
- Adapters and chargers
- Onboard battery charger
- Photovoltaic
- Uninterruptible power supplies (UPS)
- Automotive Battery Management System (BMS)
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