BQ24113A Series
Standalone 1 to 2 cell 2A synchronous Buck battery charger
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
Standalone 1 to 2 cell 2A synchronous Buck battery charger
| Part | Fault Protection | Package / Case | Mounting Type | Supplier Device Package | Number of Cells [Min] | Number of Cells [Max] | Battery Pack Voltage | Charge Current - Max [Max] | Battery Chemistry | Current - Charging | Programmable Features | Operating Temperature [Max] | Operating Temperature [Min] | Voltage - Supply (Max) [Max] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments BQ24113ARHLT | Over Temperature, Over Voltage | 20-VFQFN Exposed Pad | Surface Mount | 20-VQFN (3.5x4.5) | 1 | 2 | 8.4 V | 2 A | Lithium Ion/Polymer | Constant - Programmable | Current, Timer | 85 °C | -40 °C | 16 V |
Key Features
• Ideal For Highly Efficient Charger Designs ForSingle-, Two-, or Three-Cell Li-Ion and Li-PolymerBattery Packsbq24105 Also for LiFePO4 Battery (seeUsingbq24105 to Charge the LiFePO4 Battery)Integrated Synchronous Fixed-Frequency PWMController Operating at 1.1 MHz With 0% to 100%Duty CycleIntegrated Power FETs for Up To 2-A ChargeRateHigh-Accuracy Voltage and Current RegulationAvailable in Both Stand-Alone (Built-In ChargeManagement and Control) and System-Controlled(Under System Command) VersionsStatus Outputs for LED or Host ProcessorInterface Indicates Charge-In-Progress, ChargeCompletion, Fault, and AC-Adapter PresentConditions20-V Maximum Voltage Rating on IN and OUTPinsHigh-Side Battery Current SensingBattery Temperature MonitoringAutomatic Sleep Mode for Low PowerConsumptionSystem-Controlled Version Can Be Used in NiMHand NiCd ApplicationsReverse Leakage Protection Prevents BatteryDrainageThermal Shutdown and ProtectionBuilt-In Battery DetectionAvailable in 20-Pin, 3.50 mm × 4.50 mm VQFNPackageAPPLICATIONSHandheld ProductsPortable Media PlayersIndustrial and Medical EquipmentPortable EquipmentAll other trademarks are the property of their respective ownersIdeal For Highly Efficient Charger Designs ForSingle-, Two-, or Three-Cell Li-Ion and Li-PolymerBattery Packsbq24105 Also for LiFePO4 Battery (seeUsingbq24105 to Charge the LiFePO4 Battery)Integrated Synchronous Fixed-Frequency PWMController Operating at 1.1 MHz With 0% to 100%Duty CycleIntegrated Power FETs for Up To 2-A ChargeRateHigh-Accuracy Voltage and Current RegulationAvailable in Both Stand-Alone (Built-In ChargeManagement and Control) and System-Controlled(Under System Command) VersionsStatus Outputs for LED or Host ProcessorInterface Indicates Charge-In-Progress, ChargeCompletion, Fault, and AC-Adapter PresentConditions20-V Maximum Voltage Rating on IN and OUTPinsHigh-Side Battery Current SensingBattery Temperature MonitoringAutomatic Sleep Mode for Low PowerConsumptionSystem-Controlled Version Can Be Used in NiMHand NiCd ApplicationsReverse Leakage Protection Prevents BatteryDrainageThermal Shutdown and ProtectionBuilt-In Battery DetectionAvailable in 20-Pin, 3.50 mm × 4.50 mm VQFNPackageAPPLICATIONSHandheld ProductsPortable Media PlayersIndustrial and Medical EquipmentPortable EquipmentAll other trademarks are the property of their respective owners
Description
AI
The bqSWITCHER™ series are highly integrated Li-ion and Li-polymer switch-mode charge management devices targeted at a wide range of portable applications. The bqSWITCHER™ series offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced VQFN package. The system-controlled version provides additional inputs for full charge management under system control.
The bqSWITCHER™ charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on user- selectable minimum current level. A programmable charge timer provides a safety backup for charge termination. The bqSWITCHER™ automatically restarts the charge cycle if the battery voltage falls below an internal threshold. The bqSWITCHER™ automatically enters sleep mode when VCCsupply is removed.
The bqSWITCHER™ series are highly integrated Li-ion and Li-polymer switch-mode charge management devices targeted at a wide range of portable applications. The bqSWITCHER™ series offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced VQFN package. The system-controlled version provides additional inputs for full charge management under system control.
The bqSWITCHER™ charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on user- selectable minimum current level. A programmable charge timer provides a safety backup for charge termination. The bqSWITCHER™ automatically restarts the charge cycle if the battery voltage falls below an internal threshold. The bqSWITCHER™ automatically enters sleep mode when VCCsupply is removed.