Boost Driver for Solar Lamps

Boost Driver for Solar Lamps


Arcotek Elektronik GmbH offers products manufactured by PREMA Semiconductor, an independent wafer and IC supplier. The company offers 0.9 V Boost Driver for Solar Lamps: PR4403. PREMA Semiconductor GmbH was founded in 1970, and the Semiconductor Division since 1977. It has more than 30 years of experience in IC design and wafer processing, with innovative bipolar and BiCMOS processes. Located in Mainz/Germany, only 30 minutes away from Frankfurt airport, it’s activities include: ASIC design, production and test; foundry service; and standard ICs, ASSPs.
Product highlights:

  • Single-cell boost driver with special features for operation with solar lamps
  • Constant LED brightness
  • Minimum part count.

  • LED solar garden lamps
  • House number and sign lighting with solar cells
  • Solar powered LED road markers
  • Solar pocket torches
  • Model making, toys using solar cells
  • Solar battery chargers, etc.

  • Boost current driver for up to 40 mA with a direct connection to the solar cells
  • Minimum input voltage 0.9 V
  • Allows the use of a single NiMH cell (1.2 V)
  • Requires only one inductor, one resistor and a Schottky diode as external components
  • No external photo sensor required (solar cell operates as a light sensor)
  • Adjustable light threshold for switching on the LED
  • Low current consumption
  • Battery deep discharge protection.

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