Reference Design - High Voltage Intelligent Battery Shunt Sensor With CANFD

Applications

• Current measurement
• Low TCR shunt resistor (down to < ± 10 ppm)
• Low thermal EMF (as low as < 1.25 µV/°C)
• Very low inductance (< 5 nH)
• Easy to connect to a busbar
• Continuous current rating up to 1800 A
• 5 s overload up to 9000 A
• Three-channel voltage measurement
• Voltage measurement up to 1200 V
• Precision to ± 0.5 % with low TCR tracking to 10 ppm/°C utilizing thick film technology
• Analog front end
• 24-bit analog-digital converter
• Up to 32 ksps output rate
• Hardware features
• I/O isolation test voltage of 3.5 kVDC
• 9 V to 24 V power supply
• CANFD interface
• NTC temperature measurement