Electrosurgery system

Products and reference designs

Electrosurgery system

Block diagram

Overview

Our integrated circuits and reference designs help you create reliable and accurate surgical equipment.

Design requirements

Innovative surgical equipment often requires:

  • Motor drive designs to drive surgical drills.
  • Switchmode power supply and power amplifier solutions to generate high-voltage waveforms required for electrosurgical equipment.
  • Sensing solutions including current and temperature.

TI products may not be used in life-critical medical equipment unless authorized officers of the parties have executed a special contract specifically governing such use. See our Terms of Sale for additional information.

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Block diagram

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Electrosurgery system

AC AC Isolated AC/DC power supply Isolated AC/DC power supply MOSFET MOSFET PWM controller PWM controller Rectifier Rectifier REF REF OPA OPA Low voltage power supply Low voltage power supply Sequencer Sequencer LDO LDO Buck Buck Boost Boost Buck/boost Buck/boost eFuse eFuse Supervisor/reset Supervisor/reset Load switch Load switch PMIC PMIC Memory Memory EEPROM / FLASH/DDR EEPROM / FLASH/DDR DDR terminator DDR terminator Clocking Clocking RTC RTC Clock oscillator Clock oscillator LCD LCD Buzzer/speaker/alarm Buzzer/speaker/alarm To all low voltage circuity To all low voltage circuity Operated patient Operated patient Foot pedal Foot pedal Output user interface Output user interface 7-segment display driver 7-segment display driver REF REF DAC DAC Amp Amp Backlight power Backlight power Display driver Display driver ESD ESD TVS TVS LED indication LED indication Wired interface Wired interface Current limit switch Current limit switch ESD/TVS protection ESD/TVS protection USB USB RS485 RS485 Input user interface Input user interface Keypad controller Keypad controller Touchscreen controller Touchscreen controller Haptics driver Haptics driver Inductance to digital converter (button detect) Inductance to digital converter (button detect) Push button controller Push button controller ESD ESD TVS TVS LEDs LEDs Signal isolation Signal isolation Transformer drive Transformer drive Digital isolator Digital isolator Power stage Power stage MOSFET MOSFET PWM controller PWM controller MOSFET MOSFET Gate driver Gate driver Current and voltage sensing Current and voltage sensing Amp Amp Digital processing Digital processing MCU/ MPU/ DSP MCU/MPU/DSP DAC DAC

Technical documentation

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Type Title Date
Technical article Demystifying medical alarm design, part 2: Design inputs and existing techniques PDF | HTML 19 Sep 2023
Technical article Demystifying medical alarm designs, part 1: IEC60601-1-8 standard requirements PDF | HTML 19 Jul 2023
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 11 May 2022

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