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TPS60252 Datasheet High Efficiency Charge Pump

Manufacturer: Texas Instruments

Overview: TPS60250 TPS60252 www.ti.com............................................................................................................................................................

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The TPS60250/2 are high efficiency, constant frequency charge pump DC/DC converters that use dual mode 1× and 1.5× conversions to maximize efficiency over the input voltage range.

The devices drive up to five white LEDs for the main display and up to two white LEDs for the sub display with regulated constant current for uniform intensity.

By utilizing adaptive 1×/1.5× charge pump modes and very low-dropout current regulators, the TPS60250/2 achieve high efficiency over the full 1-cell lithium-battery input voltage range.

Key Features

  • 1.
  • 3.0 V to 6.0 V Input Voltage Range.
  • ×1 and ×1.5 Charge Pump.
  • Fully Programmable Current with I2C.
  • 64 Dimming Steps with 25mA Maximum (Sub and Main Display Banks).
  • 4 Dimming Steps with 80mA Maximum (DM5 for Auxiliary.

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