BQ24620 Series
Standalone 1-7 cell Buck battery charge controller for Lithium phosphate batteries
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
Standalone 1-7 cell Buck battery charge controller for Lithium phosphate batteries
| Part | Supplier Device Package [x] | Supplier Device Package [y] | Supplier Device Package | Charge Current - Max [Max] | Current - Charging | Number of Cells [Min] | Number of Cells [Max] | Operating Temperature [Max] | Operating Temperature [Min] | Fault Protection | Battery Chemistry | Battery Pack Voltage [Max] | Package / Case | Voltage - Supply (Max) [Max] | Mounting Type | Function | Supplied Contents | Utilized IC / Part | Secondary Attributes | Embedded | Primary Attributes | Primary Attributes | Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments BQ24620RVAT | 3.5 | 3.5 | 16-VQFN | 10 A | Constant - Programmable | 1 | 7 | 85 °C | -40 °C | Over Current, Over Temperature, Over Voltage, Short Circuit | Lithium Iron Phosphate | 26 V | 16-VFQFN Exposed Pad | 28 V | Surface Mount | ||||||||
Texas Instruments BQ24620EVM | Battery Charger | Board(s) | BQ24620 | On-Board LEDs | 26 V | Multi Cell-Li-ion / Li-Polymer | Power Management | ||||||||||||||||
Texas Instruments BQ24620RVAR | 3.5 | 3.5 | 16-VQFN | 10 A | Constant - Programmable | 1 | 7 | 85 °C | -40 °C | Over Current, Over Temperature, Over Voltage, Short Circuit | Lithium Iron Phosphate | 26 V | 16-VFQFN Exposed Pad | 28 V | Surface Mount |
Key Features
• 300-kHz NMOS-NMOS Synchronous BuckConverterStand-Alone Charger Designed Specifically forLithium Phosphate5-V to 28-V VCC Operating Range, Supports 1 to7 Battery CellsHigh-Accuracy Voltage and Current Regulation±0.5% Charge Voltage Accuracy±3% Charge Current AccuracyIntegrationInternal Loop CompensationInternal Soft StartSafetyInput Overvoltage ProtectionBattery Thermistor Sense Suspend Charge atHot/Cold Charge Suspend and AutomaticallyICHARGE/8 at WARM/COOLBattery DetectionBuilt-In Safety TimerCharge Overcurrent ProtectionBattery Short ProtectionBattery Overvoltage ProtectionThermal ShutdownStatus OutputsAdapter PresentCharger Operation StatusCharge Enable Pin6-V Gate Drive for Synchronous Buck Converter30-ns Driver Dead Time and 99.95% MaximumEffective Duty Cycle16-Pin 3.5-mm × 3.5-mm QFN PackageEnergy Star Low Iq< 15-µA Off-State Battery Discharge Current< 1.5-mA Off-State Input Quiescent CurrentAPPLICATIONSPower Tools and Portable EquipmentPersonal Digital AssistantsHandheld TerminalsIndustrial and Medical EquipmentNetbooks, Mobile Internet Devices, andUltramobile PCsAll other trademarks are the property of their respective owners300-kHz NMOS-NMOS Synchronous BuckConverterStand-Alone Charger Designed Specifically forLithium Phosphate5-V to 28-V VCC Operating Range, Supports 1 to7 Battery CellsHigh-Accuracy Voltage and Current Regulation±0.5% Charge Voltage Accuracy±3% Charge Current AccuracyIntegrationInternal Loop CompensationInternal Soft StartSafetyInput Overvoltage ProtectionBattery Thermistor Sense Suspend Charge atHot/Cold Charge Suspend and AutomaticallyICHARGE/8 at WARM/COOLBattery DetectionBuilt-In Safety TimerCharge Overcurrent ProtectionBattery Short ProtectionBattery Overvoltage ProtectionThermal ShutdownStatus OutputsAdapter PresentCharger Operation StatusCharge Enable Pin6-V Gate Drive for Synchronous Buck Converter30-ns Driver Dead Time and 99.95% MaximumEffective Duty Cycle16-Pin 3.5-mm × 3.5-mm QFN PackageEnergy Star Low Iq< 15-µA Off-State Battery Discharge Current< 1.5-mA Off-State Input Quiescent CurrentAPPLICATIONSPower Tools and Portable EquipmentPersonal Digital AssistantsHandheld TerminalsIndustrial and Medical EquipmentNetbooks, Mobile Internet Devices, andUltramobile PCsAll other trademarks are the property of their respective owners
Description
AI
The bq24620 device is a highly integrated lithium phosphate switched-mode battery charge controller. The device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, and charge status monitoring.
The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage.
The bq24620 device is a highly integrated lithium phosphate switched-mode battery charge controller. The device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, and charge status monitoring.
The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage.