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RT9535A - High Efficiency Switching Mode Battery Charger

Datasheet Summary

Description

The RT9535A is a PWM switch mode battery charger controller to fast charge single or multiple Li-Ion, NiMH and NiCd batteries, using constant current or constant voltage control.

Maximum current can be easily programmed by external resistor.

Features

  • Fast Charging for Li-Ion, NiMH and NiCd Batteries.
  • Adjustable Battery Voltages from 2.5V to 22V.
  • High Efficiency : Up to 95%.
  • Charging Current Programmed by Resistor.
  • Precision 0.5% Charging Voltage Accuracy.
  • Provide 5% Charging Current Accuracy.
  • 500kHz Switching Frequency.
  • Auto Shutdown with Adapter Removal.

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Datasheet preview – RT9535A

Datasheet Details

Part number RT9535A
Manufacturer Richtek Technology
File Size 910.89 KB
Description High Efficiency Switching Mode Battery Charger
Datasheet download datasheet RT9535A Datasheet
Additional preview pages of the RT9535A datasheet.

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Full PDF Text Transcription

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RT9535A High Efficiency Switching Mode Battery Charger General Description The RT9535A is a PWM switch mode battery charger controller to fast charge single or multiple Li-Ion, NiMH and NiCd batteries, using constant current or constant voltage control. Maximum current can be easily programmed by external resistor. The constant voltage output can support up to 22V with 0.5% accuracy. A third control loop limits the input current drawing from the adapter during charging. This allows simultaneous operation of the equipment and fast battery charging without over loading to the adapter. The RT9535A can charge batteries from 2.5V to 22V with dropout voltage as low as 0.4V. The RT9535A is available in the WQFN-16L 4X4 package.
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