Спецификации
| Атрибут | Ценность |
| Package | Tube |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 2 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Current |
| BatteryPackVoltage | 8.4V |
| Voltage-Supply(Max) | 15V |
| OperatingTemperature | -20°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Обзор
Description
The BQ2057WSN is a battery charge management IC designed by Texas Instruments. It is specifically tailored for lithium-ion and lithium-polymer battery applications, providing efficient and precise charge control. This IC is typically used in portable electronic devices, ensuring safe and optimal charging.
Key features of the BQ2057WSN include:
1. Charge Control: It supports a constant current/constant voltage (CC/CV) charging profile, which is crucial for maintaining battery health and efficiency.
2. Safety Features: The IC includes overvoltage protection, which prevents the battery from being charged beyond a safe voltage level, and thermal regulation to avoid overheating during charging.
3. Low Component Count: It requires minimal external components, simplifying the design and reducing the overall cost of implementation.
4. Status Outputs: The BQ2057WSN provides visual indicators for charge status, aiding in user feedback and monitoring.
Overall, the BQ2057WSN is a reliable solution for battery charging applications, combining safety, efficiency, and simplicity.
Key features of the BQ2057WSN include:
1. Charge Control: It supports a constant current/constant voltage (CC/CV) charging profile, which is crucial for maintaining battery health and efficiency.
2. Safety Features: The IC includes overvoltage protection, which prevents the battery from being charged beyond a safe voltage level, and thermal regulation to avoid overheating during charging.
3. Low Component Count: It requires minimal external components, simplifying the design and reducing the overall cost of implementation.
4. Status Outputs: The BQ2057WSN provides visual indicators for charge status, aiding in user feedback and monitoring.
Overall, the BQ2057WSN is a reliable solution for battery charging applications, combining safety, efficiency, and simplicity.
Equivalent
The BQ2057WSN is a lithium-ion battery charge management IC from Texas Instruments. Equivalent products from other manufacturers that provide similar functionality include the MCP73831 from Microchip Technology, the TP4056 from NanJing Top Power ASIC Corp, and the MAX1811 from Maxim Integrated. These ICs offer lithium-ion battery charging capabilities with comparable features, but it is important to review their specifications to ensure compatibility with your particular application.
Features
The BQ2057WSN is a battery charge management IC designed by Texas Instruments. It is specifically tailored for single-cell lithium-ion (Li-Ion) or lithium-polymer (Li-Poly) battery applications. Key features include:
1. Charge Management: Provides efficient charge control with a pre-charge, fast-charge, and constant voltage phase, ensuring optimal battery health and performance.
2. Programmable Charge Current: Allows for adjustable charge current settings, supporting a wide range of charging currents based on application needs.
3. Safety Features: Includes overvoltage protection, thermal regulation, and charging status indicators to enhance safety and reliability.
4. Power Path Management: Capable of powering the system while simultaneously charging the battery, ensuring uninterrupted operation.
5. Small Footprint: Offered in a compact package, making it suitable for space-constrained applications like smartphones, tablets, and portable devices.
6. High Efficiency: Designed to minimize heat generation and power loss, promoting longer battery life and efficiency.
7. Easy Integration: Compatible with minimal external components, simplifying the design process and reducing overall system cost.
These features make the BQ2057WSN a versatile and efficient choice for managing rechargeable battery systems.
1. Charge Management: Provides efficient charge control with a pre-charge, fast-charge, and constant voltage phase, ensuring optimal battery health and performance.
2. Programmable Charge Current: Allows for adjustable charge current settings, supporting a wide range of charging currents based on application needs.
3. Safety Features: Includes overvoltage protection, thermal regulation, and charging status indicators to enhance safety and reliability.
4. Power Path Management: Capable of powering the system while simultaneously charging the battery, ensuring uninterrupted operation.
5. Small Footprint: Offered in a compact package, making it suitable for space-constrained applications like smartphones, tablets, and portable devices.
6. High Efficiency: Designed to minimize heat generation and power loss, promoting longer battery life and efficiency.
7. Easy Integration: Compatible with minimal external components, simplifying the design process and reducing overall system cost.
These features make the BQ2057WSN a versatile and efficient choice for managing rechargeable battery systems.
Pinout
The BQ2057WSN is a lithium-ion (Li-ion) linear charge management IC, primarily used for single-cell Li-ion battery charging applications. It typically comes in an 8-pin package. Here's a brief overview of its pin functions:
1. VCC: Input power supply.
2. BAT: Battery connection pin.
3. GND: Ground.
4. OUT: Output voltage for powering the system (connected to the battery).
5. PROG: Used to set the charging current by connecting a resistor to ground.
6. STAT1: Status indicator pin 1 (typically used with LEDs to indicate charging status).
7. STAT2: Status indicator pin 2 (works with STAT1 to show different states).
8. CE: Charge enable pin, used to enable or disable charging.
These pins work together to manage the charging process, providing features such as pre-conditioning of deeply discharged cells, constant current/constant voltage charging, and charge termination.
1. VCC: Input power supply.
2. BAT: Battery connection pin.
3. GND: Ground.
4. OUT: Output voltage for powering the system (connected to the battery).
5. PROG: Used to set the charging current by connecting a resistor to ground.
6. STAT1: Status indicator pin 1 (typically used with LEDs to indicate charging status).
7. STAT2: Status indicator pin 2 (works with STAT1 to show different states).
8. CE: Charge enable pin, used to enable or disable charging.
These pins work together to manage the charging process, providing features such as pre-conditioning of deeply discharged cells, constant current/constant voltage charging, and charge termination.
Manufacturer
The BQ2057WSN is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. They are known for their innovations and contributions to the electronics industry, producing components used in various applications such as automotive, industrial, personal electronics, communications, and more.
Application
The BQ2057WSN is primarily used in battery management applications. Its key application areas include:
1. Portable Electronics: Used in devices like smartphones, tablets, and laptops for efficient battery charging and management.
2. Wearable Devices: Powers smartwatches and fitness bands, ensuring optimal battery usage.
3. Consumer Electronics: Employed in devices such as cameras and handheld gaming consoles.
4. Medical Devices: Used in portable medical equipment for reliable power management.
5. Power Tools: Ensures effective battery usage in cordless tools.
6. Backup Systems: Supports battery management for uninterruptible power supplies (UPS) and emergency power systems.
Overall, it enhances battery performance, safety, and longevity across various electronic devices.
1. Portable Electronics: Used in devices like smartphones, tablets, and laptops for efficient battery charging and management.
2. Wearable Devices: Powers smartwatches and fitness bands, ensuring optimal battery usage.
3. Consumer Electronics: Employed in devices such as cameras and handheld gaming consoles.
4. Medical Devices: Used in portable medical equipment for reliable power management.
5. Power Tools: Ensures effective battery usage in cordless tools.
6. Backup Systems: Supports battery management for uninterruptible power supplies (UPS) and emergency power systems.
Overall, it enhances battery performance, safety, and longevity across various electronic devices.
Package
The BQ2057WSN is a battery charge controller IC typically provided in a Small Outline Package (SOP), specifically the 8-pin variant. This package type is compact, suitable for space-constrained applications, and provides reliable electrical connections for surface mounting on printed circuit boards (PCBs).