規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Battery Protection |
| Battery Chemistry | Lithium Ion |
| Number of Cells | 2 ~ 4 |
| Fault Protection | Over Voltage |
| Operating Temperature | -40°C ~ 110°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The BQ294705DSGR is a lithium-ion battery protection IC designed by Texas Instruments. It is part of the BQ2947x series, which focuses on overvoltage protection for battery packs. This IC helps prevent battery overcharging by monitoring each cell's voltage and ensuring it remains within safe limits, typically activating at a preset overvoltage threshold.
The BQ294705DSGR is suitable for multi-cell battery packs, typically used in applications such as laptops, power tools, and any portable electronics that require reliable battery management. It features a small footprint, making it ideal for compact designs, and is typically used in conjunction with other battery management systems to ensure comprehensive protection.
Key features of the BQ294705DSGR include low power consumption, high accuracy, and a quick response time to overvoltage conditions. It operates in a wide temperature range, making it versatile for various environmental conditions. Overall, this IC ensures safety and extends the lifespan of lithium-ion batteries by preventing damage from overvoltage.
The BQ294705DSGR is suitable for multi-cell battery packs, typically used in applications such as laptops, power tools, and any portable electronics that require reliable battery management. It features a small footprint, making it ideal for compact designs, and is typically used in conjunction with other battery management systems to ensure comprehensive protection.
Key features of the BQ294705DSGR include low power consumption, high accuracy, and a quick response time to overvoltage conditions. It operates in a wide temperature range, making it versatile for various environmental conditions. Overall, this IC ensures safety and extends the lifespan of lithium-ion batteries by preventing damage from overvoltage.
Equivalent
The BQ294705DSGR is a lithium-ion battery protection IC from Texas Instruments. Equivalent products may include similar overvoltage protection ICs from other manufacturers, such as:
1. Seiko Instruments S-8209 Series
2. Analog Devices (formerly Linear Technology) LTC2965
3. Maxim Integrated MAX17301
4. NXP Semiconductors MC34671
Ensure compatibility with your specific application requirements when selecting an equivalent.
1. Seiko Instruments S-8209 Series
2. Analog Devices (formerly Linear Technology) LTC2965
3. Maxim Integrated MAX17301
4. NXP Semiconductors MC34671
Ensure compatibility with your specific application requirements when selecting an equivalent.
Features
The BQ294705DSGR is a battery protection IC designed by Texas Instruments. It is part of the BQ2947 series, which provides precise overvoltage protection for lithium-ion and lithium-polymer battery packs. Key features include:
1. Overvoltage Protection: Monitors battery cells to prevent overvoltage conditions, enhancing battery safety and lifespan.
2. High Accuracy: Offers high-precision overvoltage detection with typical accuracy, ensuring reliable protection.
3. Low Power Consumption: Designed to consume minimal power, making it suitable for battery-operated devices.
4. Compact Package: Available in a small footprint package (such as the DSGR), which is ideal for space-constrained applications.
5. Programmable Thresholds: Allows customization of overvoltage thresholds to meet specific application requirements.
6. Fault Protection: Provides fault detection and response features to handle various fault conditions effectively.
7. Ease of Integration: Compatible with multiple cell configurations and easy to integrate into battery management systems.
These features make the BQ294705DSGR suitable for a wide range of applications that require efficient and reliable battery protection.
1. Overvoltage Protection: Monitors battery cells to prevent overvoltage conditions, enhancing battery safety and lifespan.
2. High Accuracy: Offers high-precision overvoltage detection with typical accuracy, ensuring reliable protection.
3. Low Power Consumption: Designed to consume minimal power, making it suitable for battery-operated devices.
4. Compact Package: Available in a small footprint package (such as the DSGR), which is ideal for space-constrained applications.
5. Programmable Thresholds: Allows customization of overvoltage thresholds to meet specific application requirements.
6. Fault Protection: Provides fault detection and response features to handle various fault conditions effectively.
7. Ease of Integration: Compatible with multiple cell configurations and easy to integrate into battery management systems.
These features make the BQ294705DSGR suitable for a wide range of applications that require efficient and reliable battery protection.
Pinout
The BQ294705DSGR is a single-cell, overvoltage protection device primarily used in lithium-ion and lithium-polymer battery packs. It is part of the Texas Instruments BQ2947 series.
The BQ294705DSGR comes in an 8-pin configuration, typically using a small outline no-lead (SON) package. The primary function of this device is to provide overvoltage protection by monitoring the voltage of the cell. If the cell voltage exceeds a specified threshold, it triggers a protection mechanism, typically interfacing with an external circuit to disconnect the cell from the charger or load, thereby preventing overcharging and potential damage.
The pins on the BQ294705DSGR are assigned for various functions such as monitoring the cell voltage, providing a reference ground, interfacing with external components, and controlling the protection mechanism. Specific pin functions include VDD (power supply), VSS (ground), VC (cell voltage input), OUT (output control for protection), and other pins depending on the configuration and application needs. For precise details and application circuits, refer to the datasheet from Texas Instruments.
The BQ294705DSGR comes in an 8-pin configuration, typically using a small outline no-lead (SON) package. The primary function of this device is to provide overvoltage protection by monitoring the voltage of the cell. If the cell voltage exceeds a specified threshold, it triggers a protection mechanism, typically interfacing with an external circuit to disconnect the cell from the charger or load, thereby preventing overcharging and potential damage.
The pins on the BQ294705DSGR are assigned for various functions such as monitoring the cell voltage, providing a reference ground, interfacing with external components, and controlling the protection mechanism. Specific pin functions include VDD (power supply), VSS (ground), VC (cell voltage input), OUT (output control for protection), and other pins depending on the configuration and application needs. For precise details and application circuits, refer to the datasheet from Texas Instruments.
Manufacturer
The BQ294705DSGR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of electronic components and integrated circuits. TI is one of the largest and most well-established companies in the semiconductor industry, producing products for various applications, including analog chips, embedded processors, and digital light processing technology. The company serves industries such as automotive, industrial, electronics, and communications. Texas Instruments is headquartered in Dallas, Texas, and has a strong reputation for innovation and quality in the electronics sector.
Application
The BQ294705DSGR is an integrated circuit typically used in battery management systems, particularly for lithium-ion and lithium-polymer batteries. Its primary function is to provide overvoltage protection, ensuring battery safety by preventing overcharging. It is commonly found in applications such as consumer electronics (like smartphones and laptops), electric vehicles, and any portable device requiring efficient power management. The chip helps maintain battery health and longevity by monitoring and responding to voltage thresholds, making it crucial for reliable and safe battery operation.
Package
The BQ294705DSGR is packaged in an 8-pin WSON (DSG) package.
