Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Battery Protection |
| BatteryChemistry | Lithium Ion |
| NumberofCells | 2 |
| FaultProtection | Over Voltage |
| OperatingTemperature | -40°C ~ 110°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-VDFN Exposed Pad |
Overview
Description
The BQ29209DRBR is a battery protection integrated circuit (IC) developed by Texas Instruments. It is specifically designed for lithium-ion (Li-ion) and lithium-polymer battery packs, typically used in portable electronics. The IC provides comprehensive protection features, including overvoltage, undervoltage, and overcurrent protection, ensuring the safety and reliability of the battery pack.
Key features of the BQ29209DRBR include:
1. Overvoltage Protection: Prevents cell voltages from exceeding safe limits.
2. Undervoltage Protection: Safeguards against cell voltages dropping too low.
3. Overcurrent Protection: Protects against excessive current that could damage the battery or connected devices.
4. Small Package Size: Available in a compact form factor, ideal for space-constrained applications.
5. Low Power Consumption: Minimizes energy usage to extend battery life.
The IC is typically used in conjunction with a host microcontroller or battery management system (BMS) to provide enhanced monitoring and control. It ensures safe operation, prolongs battery life, and helps maintain the performance of devices powered by lithium-based batteries.
Key features of the BQ29209DRBR include:
1. Overvoltage Protection: Prevents cell voltages from exceeding safe limits.
2. Undervoltage Protection: Safeguards against cell voltages dropping too low.
3. Overcurrent Protection: Protects against excessive current that could damage the battery or connected devices.
4. Small Package Size: Available in a compact form factor, ideal for space-constrained applications.
5. Low Power Consumption: Minimizes energy usage to extend battery life.
The IC is typically used in conjunction with a host microcontroller or battery management system (BMS) to provide enhanced monitoring and control. It ensures safe operation, prolongs battery life, and helps maintain the performance of devices powered by lithium-based batteries.
Equivalent
The BQ29209DRBR is a battery management IC by Texas Instruments. Equivalent products for similar applications could include:
1. MAX17260 by Maxim Integrated
2. LTC6803 by Analog Devices
3. MCP73871 by Microchip Technology
These alternatives may not be direct substitutes, so it's essential to verify specifications and compatibility with your specific application requirements.
1. MAX17260 by Maxim Integrated
2. LTC6803 by Analog Devices
3. MCP73871 by Microchip Technology
These alternatives may not be direct substitutes, so it's essential to verify specifications and compatibility with your specific application requirements.
Features
The BQ29209DRBR is a battery management IC designed by Texas Instruments, primarily used for overvoltage protection in multi-cell lithium-ion and lithium-polymer battery packs. Key features include:
1. Protection Capabilities: It provides overvoltage protection to ensure the safe operation of battery packs by preventing cell overcharging, which can lead to potential safety hazards.
2. Cell Count: It supports 2-series cell configurations, making it suitable for devices that use such battery arrangements.
3. Low Power Consumption: The IC is designed with low power consumption in mind, which helps in extending the overall battery life.
4. Small Package: It comes in a compact package, suitable for space-constrained applications.
5. High-accuracy Voltage Detection: Offers precise voltage detection for reliable performance and safety.
6. Simplified Design: Supports simple integration into battery management systems, reducing the complexity and cost of the overall design.
These features make the BQ29209DRBR ideal for portable electronics, power tools, and other devices requiring reliable battery management solutions.
1. Protection Capabilities: It provides overvoltage protection to ensure the safe operation of battery packs by preventing cell overcharging, which can lead to potential safety hazards.
2. Cell Count: It supports 2-series cell configurations, making it suitable for devices that use such battery arrangements.
3. Low Power Consumption: The IC is designed with low power consumption in mind, which helps in extending the overall battery life.
4. Small Package: It comes in a compact package, suitable for space-constrained applications.
5. High-accuracy Voltage Detection: Offers precise voltage detection for reliable performance and safety.
6. Simplified Design: Supports simple integration into battery management systems, reducing the complexity and cost of the overall design.
These features make the BQ29209DRBR ideal for portable electronics, power tools, and other devices requiring reliable battery management solutions.
Pinout
The BQ29209DRBR is a battery protection integrated circuit from Texas Instruments designed for 2-series cell lithium-ion and lithium-polymer battery packs. It has a total of 10 pins.
Here's a brief overview of its pin functions:
1. BAT: Connects to the positive terminal of the battery pack.
2. VC1: Connects to the positive terminal of the first cell and the negative terminal of the second cell.
3. VC2: Connects to the positive terminal of the second cell.
4. VSS: Ground reference.
5. CDFET: Control pin for external discharge FET.
6. CCR: Control pin for external charge FET.
7. CDS: Short-circuit detection pin.
8. CTR: Overtemperature detection pin.
9. RBI: Backup power input to retain memory during power loss.
10. TS: Temperature sensor input.
The BQ29209DRBR provides overvoltage protection, cell balancing, and ensures the safety and reliability of the battery pack by preventing overcharge, over-discharge, and other unsafe operating conditions.
Here's a brief overview of its pin functions:
1. BAT: Connects to the positive terminal of the battery pack.
2. VC1: Connects to the positive terminal of the first cell and the negative terminal of the second cell.
3. VC2: Connects to the positive terminal of the second cell.
4. VSS: Ground reference.
5. CDFET: Control pin for external discharge FET.
6. CCR: Control pin for external charge FET.
7. CDS: Short-circuit detection pin.
8. CTR: Overtemperature detection pin.
9. RBI: Backup power input to retain memory during power loss.
10. TS: Temperature sensor input.
The BQ29209DRBR provides overvoltage protection, cell balancing, and ensures the safety and reliability of the battery pack by preventing overcharge, over-discharge, and other unsafe operating conditions.
Manufacturer
The BQ29209DRBR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and is known for its significant impact on the electronics industry. TI's products are widely used in a variety of applications, including consumer electronics, automotive, industrial equipment, and communication devices. The company focuses on innovation and development in analog and embedded processing technologies.
Application
The BQ29209DRBR is a battery management IC primarily used for protecting lithium-ion and lithium-polymer battery packs. Its application areas include single-cell and multi-cell rechargeable battery packs in various devices. Common uses are found in consumer electronics like smartphones, tablets, and laptops, where safeguarding battery cells from overcharge, over-discharge, and overcurrent is crucial. It is also used in power banks, wearable devices, and other portable electronic gadgets that require reliable battery protection to ensure safety and longevity. The IC's ability to manage and protect battery operation makes it suitable for industrial applications that utilize battery packs for backup power or portable tools.
Package
The BQ29209DRBR is a battery management IC from Texas Instruments, and it comes in a DRB package type, which is a 10-pin VSON (Very-thin Small Outline No-lead) package.
