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IC / 24703 / BQ24703 / QFN-28

تولید کننده: Texas Instruments
مدل کالا: BQ24703
موجودی:
تماس 8893- 6186
قیمت: 0تومان

BQ24703 – 24703 -  Texas Instruments – QFN-28

MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR

کنترل کننده شارژر باطری و پاور سیستم

 

DESCRIPTION

 

The bq24702/BQ24703 is a highly integrated battery charge controller and selector tailored for notebook and sub-notebook PC applications.The bq24702/BQ24703 uses dynamic power management (DPM) to minimize battery charge time by maximizing use of available wall-adapter power.This is achieved by dynamically adjusting the battery charge current based on the total system (adapter) current

The bq24702/BQ24703 uses a fixed frequency, puls width modulator (PWM) to accurately control battery charge current and voltage. Charge current limits can be programmed from a keyboard controller DAC or by external resistor dividers from the precision 5-V, ±0.6%, externally bypassed voltage reference (VREF), supplied by the bq24702/BQ24703

 

FEATURES

 

Dynamic Power Management, DPM Minimizes Battery Charge Time

Integrated Selector Supports Battery Conditioning and Smart Battery Learn Cycle

Zero Volt Operation

Selector Feedback Circuit Ensures Break-Before-Make Transition

±0.4% Charge Voltage Accuracy, Suitable for Charging Li-Ion Cells

±4% Charge Current Accuracy

300-kHz Integrated PWM Controller for High-Efficiency Buck Regulation

Depleted Battery Detection and Indication to Protect Battery From Over Discharge

20-μA Sleep Mode Current for Low Battery Drain

24-Pin TSSOP Package and 5 mm ´ 5 mm QFN package / BQ24703 only

 

 

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