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BQ24753 Status: ACTIVE

Host-Controlled Multi-Chemistry Battery Charger with Low Iq and System Power Selector


      
         
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 BQ24740 BQ24750A BQ24751B BQ24753BQ24753A 
# Series Cells2-4  2-4  2-4  2-4  2-4  
Charge Status Outputs1  1  1  1  1  
Control TopologySwitchmode  Switchmode  Switchmode  Switchmode  Switchmode  
Switching Frequency(kHz)300  300  300  300  300  
Primary Charge Termination MethodHost Controlled  Host Controlled  Host Controlled  Host Controlled  Host Controlled  
Pin/Package28QFN  28QFN  28QFN  28QFN  28QFN  
 SamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • BQ24753A: Host-Controlled Li-Ion and Li-Polymer Battery Charger with Low Iq and System Power Selector
  • BQ24750A: Host-controlled Multi-chemistry Battery Charger w/Integrated Sys Power Selector
  • BQ24745: SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator
  • BQ26221: FLASH-Based Precision Multi-Chemistry Charge/Discharge Counter w/Voltage Measurement & HDQ/OMAP Comm
  • TPS78233: Single Fixed Output LDO, 150mA, 1uA Quiescent Current
  • TPS78225: Single Fixed Output LDO, 150mA, 1uA Quiescent Current

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Product Information

Features

  • NMOS-NMOS Synchronous Buck Converter with 300 kHz Frequency and >95% Efficiency
  • 30-ns Minimum Driver Dead-time and 99.5% Maximum Effective Duty Cycle
  • High-Accuracy Voltage and Current Regulation
    • ±0.5% Charge Voltage Accuracy
    • ±3% Charge Current Accuracy
    • ±3% Adapter Current Accuracy
    • ±2% Input Current Sense Amp Accuracy
  • Integration
    • Automatic System Power Selection From AC/DC Adapter or Battery
    • Internal Loop Compensation
    • Internal Soft Start
  • Safety
    • Programmable Input Overvoltage Protection (OVP)
    • Dynamic Power Management (DPM)
    • 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
  • Analog Inputs with Ratiometric Programming via Resistors or DAC/GPIO Host Control
    • Charge Voltage (4-4.512 V/cell)

View All Features in Datasheet

Description

The bq24753 is a high-efficiency, synchronous battery charger with integrated compensation and system power selector logic, offering low component count for space-constrained multi-chemistry battery charging applications. Ratiometric charge current and voltage programming allows for high regulation accuracies, and can be either hardwired with resistors or programmed by the system power-management microcontroller using a DAC or GPIOs.

The bq24753 charges two, three, or four series Li+ cells, supporting up to 10 A of charge current, and is available in a 28-pin, 5x5-mm thin QFN package.

The bq24753 controls external switches to prevent battery discharge back to the input, connect the adapter to the system, and to connect the battery to the system using 6-V gate drives for better system efficiency.

View All Description in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
BQ24753RHDRACTIVE-40 to 1252.50 | 1kuQFN (RHD) | 28 View 3000 | LARGE T&RPurchase Samples
BQ24753RHDTACTIVE-40 to 1252.75 | 1kuQFN (RHD) | 28 View 250 | SMALL T&R

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 12:14 PM GMT, 20 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 16 WeeksBQ24753RHDR
WorldwideDigiKey  Available
TI Lead Time*: 16 WeeksBQ24753RHDT
AsiaWPI 250
WorldwideDigiKey 173
View all Distributors  

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
BQ24753RHDR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARView 
BQ24753RHDT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARView 

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for BQ24753 Help

Datasheet

Application Notes

View Application Notes for Battery Charge Management

User Guides

View User Guides for Battery Charge Management

Tools & Software

NamePart # Company Tool / Software Type
BQ24753 EVM For Multi Cell Synchronous Notebook Charger and System Power SelectorBQ24753EVMTexas InstrumentsDevelopment Boards/EVMs
Quick Search Selection Tool for Battery ChargersBATTERY_CHARGERS_SELECTION_TOOLTexas InstrumentsFree Evaluation Tools

Customers Who Evaluated This Product Also Evaluated...
Part # Name Product Family Comments
BQ24753A Host-Controlled Li-Ion and Li-Polymer Battery Charger with Low Iq and System Power Selector BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ24750A Host-controlled Multi-chemistry Battery Charger w/Integrated Sys Power Selector BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ24745 SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ24740 Multi-Cell Synchronous Switch-mode Battery Charger BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ24705 Host-Controlled Multi-Chemistry Battery Charger With Low Input Power Detect BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ24751B Multi-Cell Synchronous Switch-mode Charger in 5x5 QFN BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ24702 Multi-Chemistry Battery Charge Controller and System Power Selector BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ24704 Low Cost, Host-Controlled Li-Ion and Li-Polymer Battery Charger With Low Iq BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
UC3909 Switch-mode Lead-Acid Battery Charger with Differential Current Sense BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ24747 SMBus-Controlled Level 2 Multi-Chemistry Battery Charger BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
BQ26221 FLASH-Based Precision Multi-Chemistry Charge/Discharge Counter w/Voltage Measurement & HDQ/OMAP Comm BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
TPS78233 Single Fixed Output LDO, 150mA, 1uA Quiescent Current LINEAR REGULATORS-SINGLE CHANNEL LDO TI customers also evaluated this product.
TPS78225 Single Fixed Output LDO, 150mA, 1uA Quiescent Current LINEAR REGULATORS-SINGLE CHANNEL LDO TI customers also evaluated this product.
BQ78PL114 PowerLAN Gateway Battery Management Controller with PowerPump Cell Balancing BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
TPS61160 White LED Driver with Digital and PWM Brightness Control in 2mm x 2mm Package LIGHTING AND DISPLAY SOLUTIONS-WHITE LED DRIVERS TI customers also evaluated this product.
TPS51124 Dual, Synchronous Step Down Controller for Low Voltage System Power NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.

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