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bq24730 - CHARGER AND SYSTEM POWER SELECTOR

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.

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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Datasheet preview – bq24730

Datasheet Details

Part number bq24730
Manufacturer Texas Instruments
File Size 4.10 MB
Description CHARGER AND SYSTEM POWER SELECTOR
Datasheet download datasheet bq24730 Datasheet
Additional preview pages of the bq24730 datasheet.

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Full PDF Text Transcription

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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.
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