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BQ24751TIN/a297avaiMulti-Cell Synchronous Switch-mode Charger with System Power Selector 28-VQFN -40 to 125
BQ24751RHDRTIN/a7360avaiMulti-Cell Synchronous Switch-mode Charger with System Power Selector 28-VQFN -40 to 125
BQ24751RHDTBB/TIN/a26950avaiMulti-Cell Synchronous Switch-mode Charger with System Power Selector 28-VQFN -40 to 125


BQ24751RHDT ,Multi-Cell Synchronous Switch-mode Charger with System Power Selector 28-VQFN -40 to 125........ SLUS734D–DECEMBER 2006–REVISED MARCH 2009ADAPTER+ SYSTEMR10 C6 C7RACP P0.010Ω2Ω 10µF 10µFA ..
BQ24753ARHDR ,Host-Controlled Li-Ion and Li-Polymer Battery Charger with Low Iq and System Power Selector 28-VQFN -40 to 85Features 2 Applications1• NMOS-NMOS Synchronous Buck Converter with • Notebook, Netbook and Ultra-M ..
BQ24753ARHDT ,Host-Controlled Li-Ion and Li-Polymer Battery Charger with Low Iq and System Power Selector 28-VQFN -40 to 85 SLUS920A–JULY 2009–REVISED JULY 20155 Description (continued)The bq24753A controls external switch ..
BQ24765 ,SMBus Controlled Battery Charger with Integrated FETsBlock Diagram... 1513 Mechanical, Packaging, and Orderable8.3 Feature Description.... 16Information ..
BQ24765RUVR ,SMBus Controlled Battery Charger with Integrated FETs 34-VQFN -40 to 155Features• Integrated Power MOSFETs, NMOS-NMOS, Present and Charge DisabledSynchronous Buck Converte ..
BQ24765RUVT ,SMBus Controlled Battery Charger with Integrated FETs 34-VQFN -40 to 155features a thermal regulation loop to reduce battery charge currentwhen the T limit is reached. Thi ..
BUP200 ,IGBT (Low forward voltage drop High switching speed Low tail current Latch-up free Avalanche rated)BUP 200IGBTPreliminary data• Low forward voltage drop• High switching speed• Low tail current • Lat ..
BUP212 ,IGBT TransistorBUP 212IGBT• Low forward voltage drop• High switching speed• Low tail current • Latch-up free• Aval ..
BUP303 ,IGBT TransistorBUP 303IGBTPreliminary data• Low forward voltage drop• High switching speed• Low tail current • Lat ..
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BUP311D ,IGBT With Antiparallel Diode Preliminary data sheetBUP 311DInfineonIGBT With Antiparallel DiodePreliminary data sheet• Low forward voltage drop High ..
BUP311D ,IGBT With Antiparallel Diode Preliminary data sheetCharacteristicsGate threshold voltage V VGE(th)V = V I = 0.3 mA, T = 25 °C 4.5 5.5 6.5GE CE, C jCol ..


BQ24751-BQ24751RHDR-BQ24751RHDT
Multi-Cell Synchronous Switch-mode Charger with System Power Selector 28-VQFN -40 to 125
bq24751 www.ti.com............................................................................................................................................... SLUS734D–DECEMBER 2006–REVISED MARCH 2009 Host-controlled Multi-chemistry Battery Charger with System Power Selector, AC Over-Power Protection, and Programmable OVP 1 FEATURES • 28-pin, 5x5-mm QFN package • NMOS-NMOS Synchronous Buck Converter APPLICATIONS with 300 kHz Frequency and >95% Efficiency • Notebook and Ultra-Mobile Computers • 30-ns Minimum Driver Dead-time and 99.5% • Portable Data Capture Terminals Maximum Effective Duty Cycle • Portable Printers • High-Accuracy Voltage and Current Regulation • Medical Diagnostics Equipment – ±0.5% Charge Voltage Accuracy • Battery Bay Chargers – ±3% Charge Current Accuracy • Battery Back-up Systems – ±3% Adapter Current Accuracy – ±2% Input Current Sense Amp Accuracy DESCRIPTION • Integration The bq24751 is a high-efficiency, synchronous – Automatic System Power Selection From battery charger with integrated compensation and AC/DC Adapter or Battery system power selector logic, offering low component count for space-constrained multi-chemistry battery – Internal Loop Compensation charging applications. Ratiometric charge current and – Internal Soft Start voltage programming allows high regulation • Safety accuracies, and can be either hardwired with resistors or programmed by the system power-management – Programmable Input Overvoltage microcontroller using a DAC or GPIOs. Protection (OVP) – Dynamic Power Management (DPM) with The bq24751 charges two, three, or four series Li+ Status Indicator cells, supporting up to 10 A of charge current, and is available in a 28-pin, 5x5-mm thin QFN package. – Programmable Inrush Adapter Power (ACOP) and Overcurrent (ACOC) Limits – Reverse-Conduction Protection Input FET • Supports Two, Three, or Four Li+ Cells • 5 – 24 V AC/DC-Adapter Operating Range 28 27 26 25 24 23 22 • Analog Inputs with Ratiometric Programming CHGEN 1 21 LEARN via Resistors or DAC/GPIO Host Control ACN 2 20 CELLS – Charge Voltage (4-4.512 V/cell) bq24751 ACP 3 19 SRP – Charge Current (up to 10 A, with 10-mΩ 28 LD QFN ACDRV 4 18 SRN sense resistor) TOP VIEW ACDET BAT 5 17 – Adapter Current Limit (DPM) 6 ACSET 16 SRSET • Status and Monitoring Outputs ACOP 15 IADAPT 7 – AC/DC Adapter Present with Programmable 8 9 10 11 12 13 14 Voltage Threshold – Current Drawn from Input Source • Battery Learn Cycle Control • Supports Any Battery Chemistry: Li+, NiCd, NiMH, Lead Acid, etc. • Charge Enable • 10-μA Off-State Current 1 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. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2009, Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. OVPSET PVCC AGND BTST VREF HIDRV VDAC PH VADJ REGN ACGOOD LODRV BATDRV PGND
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