BQ24105-Q1 Series
Standalone automotive 1-3 cell 2A Buck battery charger
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
Standalone automotive 1-3 cell 2A Buck battery charger
| Part | Grade | Current - Charging | Programmable Features | Qualification | Voltage - Supply (Max) [Max] | Operating Temperature [Max] | Operating Temperature [Min] | Battery Chemistry | Number of Cells [Min] | Number of Cells [Max] | Charge Current - Max [Max] | Supplier Device Package | Mounting Type | Package / Case | Fault Protection | Battery Pack Voltage |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments BQ24105IRHLRQ1 | Automotive | Constant - Programmable | Current, Timer | AEC-Q100 | 16 V | 85 °C | -40 °C | Lithium Ion/Polymer | 1 | 3 | 2 A | 20-VQFN (3.5x4.5) | Surface Mount | 20-VFQFN Exposed Pad | Over Temperature, Over Voltage | 12.6 V |
Key Features
• Qualified for Automotive ApplicationsIdeal For Highly Efficient Charger Designs ForSingle-, Two-, or Three-Cell Li-Ion and Li-PolymerBattery PacksAlso for LiFePO4Battery (see Using bq24105 to Charge LiFePO4 Battery)Integrated Synchronous Fixed-Frequency PWM Controller Operating at 1.1 MHzWith 0% to 100% Duty CycleIntegrated Power FETs For Up To 2-A Charge RateHigh-Accuracy Voltage and Current RegulationStand-Alone (Built-In Charge Management and Control) VersionStatus Outputs For LED or Host Processor Interface Indicates Charge-In-Progress,Charge Completion, Fault, and AC-Adapter Present Conditions20-V Maximum Voltage Rating on IN and OUT PinsHigh-Side Battery Current SensingBattery Temperature MonitoringAutomatic Sleep Mode for Low Power ConsumptionReverse Leakage Protection Prevents Battery DrainageThermal Shutdown and ProtectionBuilt-In Battery DetectionAvailable in 20-Pin, 3.5 mm × 4.5 mm, QFN PackageAll trademarks are the property of their respective owners.Qualified for Automotive ApplicationsIdeal For Highly Efficient Charger Designs ForSingle-, Two-, or Three-Cell Li-Ion and Li-PolymerBattery PacksAlso for LiFePO4Battery (see Using bq24105 to Charge LiFePO4 Battery)Integrated Synchronous Fixed-Frequency PWM Controller Operating at 1.1 MHzWith 0% to 100% Duty CycleIntegrated Power FETs For Up To 2-A Charge RateHigh-Accuracy Voltage and Current RegulationStand-Alone (Built-In Charge Management and Control) VersionStatus Outputs For LED or Host Processor Interface Indicates Charge-In-Progress,Charge Completion, Fault, and AC-Adapter Present Conditions20-V Maximum Voltage Rating on IN and OUT PinsHigh-Side Battery Current SensingBattery Temperature MonitoringAutomatic Sleep Mode for Low Power ConsumptionReverse Leakage Protection Prevents Battery DrainageThermal Shutdown and ProtectionBuilt-In Battery DetectionAvailable in 20-Pin, 3.5 mm × 4.5 mm, QFN PackageAll 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 QFN package.
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 QFN package.
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.