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bq24088 Datasheet(PDF) 1 Page - Texas Instruments |
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bq24088 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 42 page IN STAT 1 CE OUT Li-IonorLi-Pol BatteryPack + Pack- Pack+ STAT 2 Vss ISET PG RED GREEN RSET TMR RTMR 1 2 3 4 5 6 7 8 9 10 BAT ChargeEnable andPowerGood InputPower R2 1.5kW R1 1.5kW bq24085 1 F m C2 49.9kW 1.13kW C3 4.7 F m Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24085, bq24086, bq24087, bq24088 SLUS784E – DECEMBER 2007 – REVISED DECEMBER 2015 bq2408x 750-mA Single-Chip Li-Ion and Li-Pol Charge Management IC With Thermal Regulation 1 Features 3 Description The bq2408x series are highly integrated Li-Ion and 1 • Ideal for Low-Dropout Designs for Single-Cell Li- Li-Pol linear chargers, targeted at space-limited Ion or Li-Pol Packs in Space Limited Applications portable applications. The bq2408x series offers a • Integrated Power FET and Current Sensor for up variety of protection features and functional options, to 750-mA Charge Applications while still implementing a complete charging system in a small package. The battery is charged in three • Reverse Leakage Protection Prevents Battery phases: conditioning, constant or thermally regulated Drainage current, and constant voltage. Charge is terminated • ±0.5% Voltage Regulation Accuracy based on minimum current. An internal • Thermal Regulation Maximizes Charge Rate programmable charge timer provides a backup • Charge Termination by Minimum Current and protection feature for charge termination and is dynamically adjusted during the thermal regulation Time phase. The bq2408x automatically restarts the charge • Precharge Conditioning With Safety Timer if the battery voltage falls below an internal threshold; • Status Outputs for LED or System Interface sleep mode is set when the external input supply is Indicate Charge, Fault, and Power Good Outputs removed. Multiple versions of this device family enable easy design of the bq2408x in cradle chargers • Short-Circuit and Thermal Protection or in the end equipment, while using low cost or high- • Automatic Sleep Mode for Low Power end AC adapters. Consumption • Small 3×3 mm MLP Package Device Information(1) • Selectable Battery Insertion and Battery Absent PART NUMBER PACKAGE BODY SIZE (NOM) Detection bq2408x VSON (10) 3.00 mm × 3.00 mm • Input Overvoltage Protection (1) For all available packages, see the orderable addendum at the end of the data sheet. – 6.5 V and 10.5 V Options 2 Applications • PDA, MP3 Players, Digital Cameras • Internet Appliances and Handheld Devices Typical Application Circuit 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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