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BQ24013 Datasheet(PDF) 1 Page - Texas Instruments |
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BQ24013 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 21 page bq24010,bq24012, bq24013, bq24014 SLUS530F − SEPTEMBER 2002 − REVISED AUGUST 2005 SINGLECHIP, LIION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bqTINYt) FEATURES D Small 3 mm × 3 mm MLP (QFN) Package D Ideal for Low-Dropout Designs for Single-Cell Li−Ion or Li−Pol Packs in Space Limited Applications D Integrated Power FET and Current Sensor for Up to 1-A Charge Applications D Reverse Leakage Protection Prevents Battery Drainage D Integrated Current and Voltage Regulation D ± 0.5% Voltage Regulation Accuracy D Charge Termination by Minimum Current and Time D Precharge Conditioning With Safety Timer D Status Outputs for LED or System Interface Indicates Charge and Fault Conditions D Battery Insertion and Removal Detection D Works With Regulated and Unregulated Supplies D Short-Circuit Protection APPLICATIONS D Cellular Phones D PDAs, MP3 Players D Digital Cameras D Internet Appliances DESCRIPTION The bqTINY t series are highly integrated Li-Ion and Li-Pol linear charge management devices targeted at space limited portable applications. The bqTINY t series offer integrated powerFET and current sensor, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination, in a small package. The bqTINY t charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on minimum current. An internal charge timer provides a backup safety feature for charge termination. The bqTINY t automatically re-starts the charge if the battery voltage falls below an internal threshold. The bqTINY t automatically enters sleep mode when VCC supply is removed. In addition to the standard features, different versions of the bqTINY t offer a multitude of additional features. These include temperature sensing input for detecting hot or cold battery packs; power good (PG) output indicating the presence of valid input power; a TTL−level charge-enable input (CE) used to disable or enable the charge process; and a TTL-level timer and termination enable (TTE) input used to disable or enable the fast-charge timer and charge termination. UDG−02106 RSET 1 2 3 4 10 9 8 5 IN VCC OUT VSS STAT1 STAT2 7 6 BAT PG ISET bq24012DRC + BATTERY PACK PACK+ PACK− SYSTEM SYSTEM INTERFACE CE AC ADAPTER bqTINY is a trademark of Texas Instruments Incorporated. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. 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. www.ti.com Copyright 2002−2005, Texas Instruments Incorporated |
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