MB39C811 | Cypress Semiconductor


The MB39C811 is the highly efficient buck DC/DC converter IC which adopts the all-wave bridge rectifier using the low- dissipation and the comparator system. It achieves the energy harvest solution for the energy source of the high output impedance such as the piezoelectric transducer.

Key Features:

  • Power Converter Type: Buck
  • Temperature Range: -40˚C-+85˚C
  • Quiescent Current: 1.5 µA (VIN = 4.5 V)
    1.9 µA (VIN = 18 V)
    6.75 µA (VIN = 4.5 V)
  • Input Voltage Range: 2.6 V – 23.0 V
  • Output Voltage (V): 1.5, 1.8, 2.5, 3.3, 3.6, 4.1, 4.5, 5.0
  • Package: 40-pin QFN
  • Status: Production

Block Diagram

Energy Harvesting Starter Kit for Bluetooth® Smart (Low Energy) Beacon (MB39C811-EVBSK-02):

The MB39C811-EVBSK-02 is an evaluation board that contains Energy Harvesting Power Management IC, MB39C811 (Buck DC/DC converter) with Bluetooth® Smart (Low Energy), which can be used in application on the Solar and Piezoelectric Energy Harvester.

Price: $49.00

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MB39C811 Evaluation Board (MB39C811-EVB-03):

The MB39C811-EVB-03 is the tiny evaluation board for the energy harvesting IC, MB39C811. This evaluation board is capable of accepting solar, piezoelectric, or any high impedance AC or DC source.

Price: $10.00

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  • Light Energy Harvester
    • Solar Cell
      • Panasonic (Amorphous Silicon Solar cell series, AM-1801, AM-1816, etc.)
      • Fujikura (Dye-sensitized Solar Cell (DSC) series, FDSC-FDC3FG)
  • Vibration Energy Harvester