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AT73C203 - Power Management IC for Datacom Platforms

General Description

The AT73C203 device provides an integrated solution to portable and handheld applications built around microprocessors requiring “smart” power management functions, such as PDAs, Palmtop computers, point-of-sales terminals, 3G modems, etc.

Key Features

  • DC to DC Step Down 1.2 A, 0.9V (Dynamically Adjustable to 0.87V/1.1V/1.2V).
  • DC to DC step Down 1.2 A, 1.2V (Dynamically Adjustable to 1.0V/1.1V/1.3V) or 1.75V (Dynamically Adjustable 1.65V/1.70V/1.80V).
  • DC to DC Step Down 1.2 A, 1.8V (Dynamically Adjustable to 1.70V/1.75V/1.85V) or 2.5V (Dynamically Adjustable 2.3V/2.4V/2.6V).
  • DC to DC Step Up/Down 520 mA, 3.3V (Dynamically Adjustable to 3.0V/3.1V/3.4V).
  • Dual Battery Chargers: Li+ Precharge, Fast C.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT73C201 POWER SUPPLY AND BATTERY MANAGEMENT IC
AT73C202 Power Management
AT73C204 Power Management
AT73C206 Power Management And Analog Companions
AT73C209 Power Management And Analog Companions

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features • DC to DC Step Down 1.2 A, 0.9V (Dynamically Adjustable to 0.87V/1.1V/1.2V) • DC to DC step Down 1.2 A, 1.2V (Dynamically Adjustable to 1.0V/1.1V/1.3V) or 1.75V (Dynamically Adjustable 1.65V/1.70V/1.80V) • DC to DC Step Down 1.2 A, 1.8V (Dynamically Adjustable to 1.70V/1.75V/1.85V) or 2.5V (Dynamically Adjustable 2.3V/2.4V/2.6V) • DC to DC Step Up/Down 520 mA, 3.3V (Dynamically Adjustable to 3.0V/3.1V/3.4V) • Dual Battery Chargers: Li+ Precharge, Fast Charge, Top-up Charge, 4.1V (or Adjustable), Processor Tuned Algorithms – USB Trickle Charge: Precharge Flat Battery from USB Pre-enumeration, then Autowake of Processor at 3.8V Battery Level – Battery Charge Select: 25 mA to 500 mA – Real-time Charge Inhibit: Allows Charge Suspend (e.g.