This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice and Cosemitech
assumes no obligation for future manufacture of this product. Contact Cosemitech for the latest status.
• Reinforced isolation: 4800V
RMS
• AEC-Q100 qualified (CH704A)
• Single supply: 4.5-5.5V
• Output voltage proportional to AC current:
+/-50A,+/-100A,+/-150A,+/-200A
• Bandwidth: 120 kHz
• Response time: 4 us
• Wide temperature range: -40
o
C to 150
o
C
• High resolution offset and sensitivity trimming with EEPROM
• Primary conductor resistance: 0.1 mΩ
• Integrated protections
o Under-voltage protection
o Output voltage clamp provides short circuit diagnostic
o Output spiking suppress during fast current step inputs
• Factory programmed sensitivity and quiescent output voltage TC
• Integrated digital temperature compensation circuitry
• Nearly zero magnetic hysteresis
• Ratio-metric output from supply voltage
• Immunity to external magnetic field
Application
• UPS current sensing
• DC-to-DC converter control
• Balance bike motor control
• Overcurrent fault detection
Functional Block Diagram