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bq24730 - CHARGER AND SYSTEM POWER SELECTOR

General Description

The bq24730 is a high efficiency synchronous battery pack charger with high level of integration for portable applications.

This device implements a high performance analog front-end that interfaces to the system power management micro-controller through a hardware interface.

Key Features

  • High Efficiency:.
  • NMOS-NMOS Synchronous Buck Converter With Fixed 300 kHz Frequency.
  • Enhanced 6-V Drive Supply Voltage and 99.5% Max Duty Cycle.
  • High Voltage and Current Regulation Accuracy (0°C-85°C):.
  • 0.4% Charge Voltage Regulation Accuracy.
  • 4% Charge Current Regulation Accuracy.
  • 4% Adapter Current Regulation Accuracy Dynamic Power Management (DPM).
  • 3-Cell or 4-Cell Li-Ion Battery Voltage Select.
  • Programmable Bat.

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Other Datasheets by Texas Instruments

Part Number Description
bq24735 1- to 4-Cell Li+ Battery SMBus Charge Controller
bq24702 MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
bq24703 MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
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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.

View original datasheet text
bq24730 www.ti.com SLUS695 – MARCH 2006 ADVANCED MULTI-CHEMISTRY AND MULTI-CELL SYNCHRONOUS SWITCH-MODE CHARGER AND SYSTEM POWER SELECTOR FEATURES • High Efficiency: – NMOS-NMOS Synchronous Buck Converter With Fixed 300 kHz Frequency – Enhanced 6-V Drive Supply Voltage and 99.5% Max Duty Cycle • High Voltage and Current Regulation Accuracy (0°C-85°C): – 0.