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MB39C831 Datasheet Ultra Low Voltage Boost Power Management Ic

Manufacturer: Cypress (now Infineon)

Overview: MB39C831 Ultra Low Voltage Boost Power Management IC for Solar/Thermal Energy Harvesting.

General Description

The MB39C831 is the high-efficiency synchronous rectification boost DC/DC converter IC which efficiently supplies energy getting from the solar cell with the single cell or multiple cells, or from the thermoelectric generator (TEG) to the Li-ion battery.

It contains the function to control the DC/DC converter output following the maximum power point of the solar cell (MPPT: Maximum Power Point Tracking) and the protection function to charge the Li-ion battery safely.

It is possible to start-up from 0.35 V using the low-voltage process and adapts the applications which the single cell solar cell is treated as the input.

Key Features

  • Operation input voltage range : 0.3V to 4.75V.
  • Output voltage adjustment range : 3.0V to 5.0V.
  • Minimum input voltage at start-up : 0.35V.
  • Quiescent Current (No load) : 41 μA.
  • Input peak current limit : 200 mA.
  • Built-in MPPT.
  • Charge voltage to the Li-ion battery/current protection function built in.
  • Improvement of the efficiency during the low-output power according to the auto PFM/PWM switching mode.

MB39C831 Distributor & Price

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