Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Iron Phosphate |
| NumberofCells | 1 ~ 7 |
| Current-Charging | Constant - Programmable |
| FaultProtection | Over Current, Over Temperature, Over Voltage, Short Circuit |
| ChargeCurrent-Max | 10A |
| BatteryPackVoltage | 26V (Max) |
| Voltage-Supply(Max) | 28V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-VFQFN Exposed Pad |
Обзор
Description
The BQ24620RVAR is a highly efficient, synchronous switch-mode battery charge controller designed by Texas Instruments. It is specifically optimized for charging Li-ion and Li-polymer batteries. The controller operates with a wide input voltage range, making it suitable for various power sources, including AC adapters and solar panels.
Key features of the BQ24620RVAR include:
1. Efficiency: It utilizes synchronous buck technology, enhancing charging efficiency and reducing power loss.
2. Compatibility: Supports 1 to 6 series Li-ion/Li-polymer cells.
3. Adjustable Parameters: Allows for adjustable charging current and voltage to accommodate different battery specifications.
4. Protections: Includes over-voltage, over-current, and thermal protection to ensure safe charging operations.
5. Status Monitoring: Provides status outputs for real-time monitoring of charging status and fault conditions.
6. Power Path Management: Supports seamless switching between power sources without battery disruption.
The BQ24620RVAR is ideal for portable applications requiring efficient and reliable battery management, such as laptops and portable medical equipment. Its compact design and robust feature set make it suitable for both consumer and industrial applications.
Key features of the BQ24620RVAR include:
1. Efficiency: It utilizes synchronous buck technology, enhancing charging efficiency and reducing power loss.
2. Compatibility: Supports 1 to 6 series Li-ion/Li-polymer cells.
3. Adjustable Parameters: Allows for adjustable charging current and voltage to accommodate different battery specifications.
4. Protections: Includes over-voltage, over-current, and thermal protection to ensure safe charging operations.
5. Status Monitoring: Provides status outputs for real-time monitoring of charging status and fault conditions.
6. Power Path Management: Supports seamless switching between power sources without battery disruption.
The BQ24620RVAR is ideal for portable applications requiring efficient and reliable battery management, such as laptops and portable medical equipment. Its compact design and robust feature set make it suitable for both consumer and industrial applications.
Equivalent
The BQ24620RVAR is a battery charger IC from Texas Instruments. For equivalent products, consider the following alternatives:
1. Microchip MCP73871: A similar linear charge management controller.
2. Linear Technology (Analog Devices) LT3651: A power tracking battery charger for solar power applications.
3. ON Semiconductor NCP1860: Another possible alternative for battery management.
4. Maxim Integrated (now Analog Devices) MAX8900: Suitable for similar charging applications.
Always verify compatibility with your specific application requirements.
1. Microchip MCP73871: A similar linear charge management controller.
2. Linear Technology (Analog Devices) LT3651: A power tracking battery charger for solar power applications.
3. ON Semiconductor NCP1860: Another possible alternative for battery management.
4. Maxim Integrated (now Analog Devices) MAX8900: Suitable for similar charging applications.
Always verify compatibility with your specific application requirements.
Features
The BQ24620RVAR is a high-efficiency, synchronous switch-mode battery charge controller by Texas Instruments, designed for charging battery packs. Key features include:
1. Synchronous Switching: Provides high efficiency with reduced power dissipation.
2. Wide Input Voltage Range: Supports 5V to 28V, making it versatile for various power sources.
3. Battery Chemistry Support: Compatible with multiple battery types such as Li-Ion, Li-Polymer, LiFePO4, etc.
4. Charge Current Control: Programmable charge current up to 10A, tailored to specific battery requirements.
5. Battery Detection: Offers automatic battery detection for safe and reliable charging.
6. Dynamic Power Management (DPM): Adjusts input power to maintain system operation even under limited power conditions.
7. Safety Features: Includes thermal shutdown, overvoltage protection, and reverse discharge protection to ensure battery and device safety.
8. Status Indication: LED outputs for charging status and fault conditions.
9. Compact Package: Available in a small, 24-pin VQFN package for space-constrained applications.
10. Temperature Compensation: Built-in temperature compensation for optimal charging under varying conditions.
These features make the BQ24620RVAR suitable for portable electronics, industrial equipment, and power tools.
1. Synchronous Switching: Provides high efficiency with reduced power dissipation.
2. Wide Input Voltage Range: Supports 5V to 28V, making it versatile for various power sources.
3. Battery Chemistry Support: Compatible with multiple battery types such as Li-Ion, Li-Polymer, LiFePO4, etc.
4. Charge Current Control: Programmable charge current up to 10A, tailored to specific battery requirements.
5. Battery Detection: Offers automatic battery detection for safe and reliable charging.
6. Dynamic Power Management (DPM): Adjusts input power to maintain system operation even under limited power conditions.
7. Safety Features: Includes thermal shutdown, overvoltage protection, and reverse discharge protection to ensure battery and device safety.
8. Status Indication: LED outputs for charging status and fault conditions.
9. Compact Package: Available in a small, 24-pin VQFN package for space-constrained applications.
10. Temperature Compensation: Built-in temperature compensation for optimal charging under varying conditions.
These features make the BQ24620RVAR suitable for portable electronics, industrial equipment, and power tools.
Pinout
The BQ24620RVAR is a highly integrated lithium-ion battery charge controller designed by Texas Instruments. It is typically used for applications requiring efficient battery charging. The BQ24620 chip comes in a 24-pin VQFN (Very Thin Quad Flat No-Lead) package.
Here is a brief overview of its pin functions:
1. VCC: Supply Input
2. REGN: LDO Output
3. BTST: Bootstrap
4. HGATE: High-Side Gate Drive
5. PH: Phase Node
6. LGATE: Low-Side Gate Drive
7. PGND: Power Ground
8. SRP: Current Sense Positive Input
9. SRN: Current Sense Negative Input
10. VFB: Feedback Voltage
11. ISET: Charge Current Set
12. ACSET: Input Current Set
13. VREF: Reference Voltage
14. TS: Temperature Sense
15. CE: Charge Enable
16. STAT1/STAT2: Charge Status Outputs
17. PGOOD: Power Good Indicator
18. BAT: Battery Voltage Sense
19. ACDRV: Adapter Drive
20. CMSRC/CMOUT: Charger Mode Input/Output
21. SYS: System Voltage Sense
22. LDO: Low Dropout Linear Regulator
23. VCC: (Additional) Supply Input
24. GND: Ground
These pins facilitate various functions including power regulation, current sensing, status indication, and control of charging operations.
Here is a brief overview of its pin functions:
1. VCC: Supply Input
2. REGN: LDO Output
3. BTST: Bootstrap
4. HGATE: High-Side Gate Drive
5. PH: Phase Node
6. LGATE: Low-Side Gate Drive
7. PGND: Power Ground
8. SRP: Current Sense Positive Input
9. SRN: Current Sense Negative Input
10. VFB: Feedback Voltage
11. ISET: Charge Current Set
12. ACSET: Input Current Set
13. VREF: Reference Voltage
14. TS: Temperature Sense
15. CE: Charge Enable
16. STAT1/STAT2: Charge Status Outputs
17. PGOOD: Power Good Indicator
18. BAT: Battery Voltage Sense
19. ACDRV: Adapter Drive
20. CMSRC/CMOUT: Charger Mode Input/Output
21. SYS: System Voltage Sense
22. LDO: Low Dropout Linear Regulator
23. VCC: (Additional) Supply Input
24. GND: Ground
These pins facilitate various functions including power regulation, current sensing, status indication, and control of charging operations.
Manufacturer
The BQ24620RVAR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic systems and devices. TI is well-known for its innovation in the electronics industry and provides products and solutions for markets including industrial, automotive, personal electronics, and communications equipment. The company focuses on developing analog chips and embedded processors, which are integral components in creating smarter, safer, and more efficient technologies across multiple sectors.
Application
The BQ24620RVAR is a highly integrated switch-mode battery charge controller designed for single-cell to multi-cell lithium-ion, lithium-polymer, and lithium-iron phosphate battery packs. Its application areas include:
1. Portable Electronics: Suitable for charging batteries in devices like laptops, tablets, and smartphones.
2. Power Tools: Used in charging systems for cordless tools requiring efficient battery management.
3. Electric Vehicles: Can be integrated into battery management systems for electric bikes and scooters.
4. Backup Power Systems: Ideal for uninterrupted power supply (UPS) systems.
5. Consumer Electronics: Chargers for cameras, wearable devices, and other battery-operated gadgets.
Its high efficiency and programmable output make it versatile for various battery charging applications.
1. Portable Electronics: Suitable for charging batteries in devices like laptops, tablets, and smartphones.
2. Power Tools: Used in charging systems for cordless tools requiring efficient battery management.
3. Electric Vehicles: Can be integrated into battery management systems for electric bikes and scooters.
4. Backup Power Systems: Ideal for uninterrupted power supply (UPS) systems.
5. Consumer Electronics: Chargers for cameras, wearable devices, and other battery-operated gadgets.
Its high efficiency and programmable output make it versatile for various battery charging applications.
Package
The BQ24620RVAR is part of Texas Instruments' BQ24620 series, typically provided in a VQFN (Very Thin Quad Flat No-lead) package type. Specifically, it comes in a 24-pin VQFN package, which is designed for efficient thermal performance and compact size.