Single phase line interactive UPS

Products and reference designs

Single phase line interactive UPS

Block diagram

Overview

Our integrated circuits and reference designs for single phase line interactive uninterruptable power supplies (UPS) help you design reliable and robust hardware with very low input and output total harmonic distortion (THD) and increased efficiency.

Design requirements

Modern single phase line interactive UPS designs often require:

  • Higher performance and reliable IGBT and MOSFET gate drivers.
  • Battery backup designs with highly-efficient bidirectional topologies.
  • Accurate sensing of voltage and current with or without isolation.
  • Efficient and reliable power stages.

Explore applications similar in function and design

Block diagram

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Single phase line interactive UPS

50 Hz step-up transformer 50 Hz step-uptransformer Loads Loads UPS output UPS output LV side LV side AC current & voltage sense AC current & voltage sense Isolated V sense Isolated V sense Isolated I sense Isolated I sense LEDs LEDs Gate driver input Gate driver input Control card Control card MCU MCU Logic Logic Relay/fan driver Relay/fan driver LED driver LED driver 85-265 VAC 85-265 VAC Auxiliary power supply Auxiliary power supply Signal I/O protection Signal I/O protection Protection Protection Protection Protection Relay driver Relay driver Inverter power stage Inverter power stage Gate driver Gate driver Temp sensor Temp sensor LV FET LV FET Battery stack Battery stack Cell monitoring & gauging Cell monitoring & gauging Battery Battery Auxiliary power supply Auxiliary power supply PWM controller PWM controller LDO LDO HV FET HV FET DC/DC converter DC/DC converter Vref Vref DC current & voltage sense DC current &voltage sense Vref Vref Op amp Op amp Comp Comp Communication interface Communication interface RS-485/232 RS-485/232 Isolator Isolator USB USB

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