Application Circuit of Low Power Consumption Op-Amp TC75S102F

Application circuits of low power consumption Op-Amp TC75S102F for use with various sensors. These application circuits can be used for devices requiring long battery life, IoT sensor, energy harvesting, etc.

PCB Photo (example)
PCB Photo (example)
1SS389 1SS389 CEZ5V6 TCR3UF20A TC75S102F TC75S102F SSM3K15AFU

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  • Low power consumption Op-Amp TC75S102F (IDD = 0.27 μA (Typ.))
  • Light, pressure and sound sensor application circuit
  • Long operation time after recharging electric double layer capacitor
  • Optimum for sensor signal in all IoT devices
  • Outline size: 85 mm × 55 mm


Circuit topology Low Power Consumption Op-Amp Application Circuits
Light sensor circuit I-V conversion circuit
Pressure sensor circuit Buffer circuit
Sound sensor circuit Small signal amplifier/ DC servo circuit
Common in above Multivibrator circuit

Design Documents

Design Documents contain the documents below.

Design Data

Design Data contains the contents listed below.

*1:Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.

*2:The data was generated on CR5000BD.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Op-amp (CMOS) Single Op-amp (CMOS), 5.5 V, +/-2.75 V, SOT-25(SMV)
Zener diode 5.6 V Zener Diode, SOD-523(ESC)
Small-signal Schottky barrier diode 10 V/0.1 A Schottky Barrier Diode, SOD-523(ESC)
Small-signal MOSFET N-ch MOSFET, 30 V, 0.1 A, 3.6 Ω@4V, SOT-323(USM)
Low Dropout (LDO) Linear Voltage Regulator 300 mA Fixed Output LDO Regulator, 2.0 V, SOT-25(SMV)

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