TLI4971 high precision coreless current sensor for industrial applications in 8x8mm SMD package Description Features & Benefits TLI4971 is a high precision miniature coreless Integrated current rail with typical 220 insertion magnetic current sensor for AC and DC resistance enables ultra-low power loss measurements with analog interface and two fast Less than 1nH parasitic inductance of integrated over-current detection outputs. current rail enables wide bandgap design Infineon s well-established and robust monolithic Bandwidth of 240kHz enables wide range of Hall technology enables accurate and highly linear applications measurement of currents with a full scale up to 8x8mm form factor 120A. All negative effects (saturation, hysteresis) Very low sensitivity error over temperature commonly known from open loop sensors using Galvanic functional isolation up to 1150V flux concentration techniques are avoided. The V 3500V RMS agency type-tested for 60 seconds ISO sensor is equipped with internal self-diagnostic per UL1577 feature. Differential sensing principle Typical applications are electrical drives and Two independent ultrafast Over Current Detection general purpose inverters. outputs The differential measurement principle allows great stray field suppression for operation in harsh s environments. Two separate interface pins (OCD) provide a fast output signal in case a current exceeds a pre-set threshold. The sensor is shipped as a fully calibrated product without requiring any customer end-of-line calibration. All user-programmable parameters such as OCD thresholds, blanking times and output configuration modes are stored in an embedded EEPROM memory. Coreless current sensor in PG-TISON-8 package Order Information Product Name Product Type Marking Ordering Code Package 120A measurement range, UL TLI4971-A120T5-U-E0001 H71I1A1UH SP005272936 PG-TISON-8 1)2) certified device 1)2) TLI4971-A120T5-E0001 120A measurement range H71I1A1 H S P 0 0 5 3 44532 PG-TISON-8 75A measurement range, UL TLI4971-A075T5-U-E0001 H71I3A1UH SP005446655 PG-TISON-8 1)2) certified device 1)2) TLI4971-A075T5-E0001 7 5 A m easurement range H71I3A1 H SP0 0 5 4 46653 PG-TISON-8 50A measurement range, UL TLI4971-A050T5-U-E0001 H71I4A1UH SP005446651 PG-TISON-8 1)2) certified device 1)2) TLI4971-A050T5-E0001 5 0 A m easurement range H71I4A1 H SP0 0 5 4 46648 PG-TISON-8 25A measurement range, UL TLI4971-A025T5-U-E0001 H71I6A1UH SP005446646 PG-TISON-8 1)2) certified device 1)2) TLI4971-A025T5-E0001 2 5 A m easurement range H71I6A1 H SP0 0 5 4 46644 PG-TISON-8 1) Current sensor for industrial / consumer applications, qualified according to AEC Q100 grade 2 2) Semi-differential mode, non-ratiometric output sensitivity Datasheet Please read the Important Notice and Warnings at the end of this document Rev. 1.30 www.infineon.com 01-12-2021 TLI4971 Datasheet Pin Configuration Pin configuration I PN Pin No. Symbol Function VDD Supply voltage 1 + GND Ground 2 8 - Reference voltage input or 7 VREF 3 output 1 2 3 4 5 4 AOUT Analog signal output 6 Over-current detection OCD1 output 1 (open drain 5 output) Figure 1 Pin layout PG-TISON-8-5 Over-current detection The current IPN is measured as a positive value OCD2 output 2 (open drain 6 when it flows from pin 8 (+) to pin 7 (-) through the output) integrated current rail. Negative current terminal IP- 7 pin (current-out) Positive current terminal 8 IP+ pin (current-in) Target Applications The TLI4971 is suitable for AC as well as DC current measurement applications: Electrical drives General purpose inverters PV inverters Chargers Current monitoring Overload and over-current detection Due to its implemented magnetic interference suppression, it is extremely robust when exposed to external magnetic fields. The device is suitable for fast over-current detection with a configurable threshold level. This allows the control unit to switch off and protect the affected system from damage, independently from the main measurement path. Datasheet 2 Rev. 1.30 01-12-2021