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BQ24100RHL Datasheet(PDF) 1 Page - Texas Instruments |
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BQ24100RHL Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page 5,5 mm x 3,5 mm Actual Size www.ti.com FEATURES APPLICATIONS DESCRIPTION bq24100, bq24103 bq24105, bq24108 bq24113, bq24115 SLUS606C – JUNE 2004 – REVISED SEPTEMBER 2005 SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs (bqSWITCHER™) • Handheld Products • Ideal For Highly Efficient Charger Designs For Single-, Two- or Three-Cell Li-Ion and • Portable Media Players Li-Polymer • Industrial and Medical Equipment Battery Packs • Portable Equipment • Integrated Synchronous Fixed-Frequency PWM Controller Operating at 1.1 MHz With 0% to 100% Duty Cycle The bqSWITCHER™ series are highly integrated • Integrated Power FETs For Up To 2-A Charge Li-ion and Li-polymer switch-mode charge Rate management devices targeted at a wide range of portable applications. The bqSWITCHER™ series • High-Accuracy Voltage and Current offers integrated synchronous PWM controller and Regulation power FETs, high-accuracy current and voltage • Available In Both Stand-Alone (Built-In Charge regulation, charge preconditioning, charge status, and Management and Control) and charge termination, in a small, thermally enhanced System-Controlled (Under System Command) QFN package. The system-controlled version Versions provides additional inputs for full charge management under system control. • Status Outputs For LED or Host Processor Interface Indicates Charge-In-Progress, The bqSWITCHER charges the battery in three Charge Completion, Fault, and AC-Adapter phases: conditioning, constant current, and constant Present Conditions voltage. Charge is terminated based on user- selectable minimum current level. A programmable • 20-V Maximum Voltage Rating on IN and OUT charge timer provides a safety backup for charge Pins termination. The bqSWITCHER automatically restarts • High-Side Current Sensing the charge cycle if the battery voltage falls below an • Optional Battery Temperature Monitoring internal threshold. The bqSWITCHER automatically enters sleep mode when VCC supply is removed. • Automatic Sleep Mode for Low Power Consumption • System-Controlled Version Can Be Used In NiMH and NiCd Applications • Uses Ceramic Capacitors • Reverse Leakage Protection Prevents Battery Drainage • Thermal Shutdown and Protection • Built-In Battery Detection Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. bqSWITCHER, PowerPAD are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2005, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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