Energy Harvesting Voltage Monitoring IC with Ultra-low Current Consumption S-5471 Series

SII Semiconductor S-5471

The S-5471 Series, developed by using CMOS technology, is a voltage monitoring IC with an ultra-low current consumption.

Since the feed-through current in the IC is extremely low, the error can be reduced when the voltage of a power supply with high impedance is detected.


In addition, since the detection voltage is extremely low, a tiny amount of power generated by energy harvesting can also be detected.

The S-5471 Series Block Diagram
The S-5471 Series Block Diagram.

Due to its ultra-low current consumption and low-voltage operation, the S-5471 Series is suitable for battery-operated small mobile devices.


  • Ultra-low current consumption: IDD ≤ 10 nA typ.
  • Detection voltage: VDET = 0.75 V typ.
  • Wide operation voltage range: VDD = 0.7 V to 5.5 V
  • Operation temperature range: TA = −40 °C to +85 °C
  • Lead-free (Sn 100%), halogen-free


  • Miniaturization and power consumption reduction for various sensors of portable and wireless devices
  • Energy harvesting

JLCPCP: 2USD 2Layer 5PCBs, 5USD 4Layer 5PCBs

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