Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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-TSSOP (0.173, 4.40mm Width) |
Overview
Description
The BQ2057WTSTR is a battery management integrated circuit (IC) designed by Texas Instruments. It is part of the BQ2057 series, which focuses on providing efficient battery charge management solutions for various types of rechargeable batteries, including lithium-ion and lithium-polymer. The BQ2057WTSTR supports features such as precise voltage regulation, current regulation, and charge termination, which are essential for maintaining the health and longevity of batteries.
This IC is particularly useful in applications where space is limited, as it is available in a compact package. It can be used in portable electronics, such as smartphones, tablets, and other devices requiring efficient battery charging and management. The BQ2057WTSTR is designed to optimize the charging process, ensuring fast charging times while preventing overcharging, which can be detrimental to battery life.
Overall, the BQ2057WTSTR offers a reliable solution for managing the charging of lithium-based batteries, emphasizing safety, efficiency, and compact design suitable for modern electronic devices.
This IC is particularly useful in applications where space is limited, as it is available in a compact package. It can be used in portable electronics, such as smartphones, tablets, and other devices requiring efficient battery charging and management. The BQ2057WTSTR is designed to optimize the charging process, ensuring fast charging times while preventing overcharging, which can be detrimental to battery life.
Overall, the BQ2057WTSTR offers a reliable solution for managing the charging of lithium-based batteries, emphasizing safety, efficiency, and compact design suitable for modern electronic devices.
Equivalent
The BQ2057WTSTR is a single-cell lithium-ion battery charge controller. Equivalent products may include:
1. MCP73831 from Microchip
2. TP4056 from NanJing Top Power ASIC Corp
3. MAX1811 from Maxim Integrated (now Analog Devices)
4. LTC4054 from Linear Technology (now Analog Devices)
These alternatives offer similar functionalities, like charge control for lithium-ion batteries, though specifications may vary slightly. Always check the datasheets for specific compatibility.
1. MCP73831 from Microchip
2. TP4056 from NanJing Top Power ASIC Corp
3. MAX1811 from Maxim Integrated (now Analog Devices)
4. LTC4054 from Linear Technology (now Analog Devices)
These alternatives offer similar functionalities, like charge control for lithium-ion batteries, though specifications may vary slightly. Always check the datasheets for specific compatibility.
Features
The BQ2057WTSTR is a battery management IC designed for monitoring and managing single-cell Li-Ion and Li-Polymer battery packs. Key features include:
1. Accurate Fuel Gauging: Utilizes a precise impedance track algorithm to estimate the remaining battery capacity and predict run-time accurately.
2. Low-Power Consumption: Designed to operate with minimal power usage, which is crucial for battery-powered applications to extend operational time.
3. Battery Protection: Includes built-in protection features such as over-charge, over-discharge, and short circuit protection to ensure battery safety and longevity.
4. Charge and Discharge Counters: Tracks the total charge passed through the battery, aiding in lifecycle management and health monitoring.
5. Temperature Sensing: Supports battery temperature monitoring to prevent overheating and optimize charging profiles based on temperature.
6. Compact Package: Available in a small TSSOP package, making it suitable for compact and portable devices.
These features make the BQ2057WTSTR ideal for applications requiring reliable battery management with minimal footprint and power use.
1. Accurate Fuel Gauging: Utilizes a precise impedance track algorithm to estimate the remaining battery capacity and predict run-time accurately.
2. Low-Power Consumption: Designed to operate with minimal power usage, which is crucial for battery-powered applications to extend operational time.
3. Battery Protection: Includes built-in protection features such as over-charge, over-discharge, and short circuit protection to ensure battery safety and longevity.
4. Charge and Discharge Counters: Tracks the total charge passed through the battery, aiding in lifecycle management and health monitoring.
5. Temperature Sensing: Supports battery temperature monitoring to prevent overheating and optimize charging profiles based on temperature.
6. Compact Package: Available in a small TSSOP package, making it suitable for compact and portable devices.
These features make the BQ2057WTSTR ideal for applications requiring reliable battery management with minimal footprint and power use.
Pinout
The BQ2057WTSTR is a single-cell Li-Ion and Li-Polymer linear charge management IC from Texas Instruments. It typically comes in a small 5-pin SOT-23 package. The pin functions are as follows:
1. VCC: Supply voltage input. This pin is connected to the power source for charging.
2. GND: Ground. This is the common ground for the IC.
3. BAT: Battery connection. This pin is connected to the positive terminal of the battery to be charged.
4. TS: Temperature sense. This pin is used for connecting a thermistor to monitor the battery temperature, providing a safety feature during charging.
5. STAT: Status indicator. This pin can drive an LED or interface with a microcontroller to indicate the charging status (such as charging, charge complete, or fault condition).
The BQ2057WTSTR is designed for efficient and safe charging, with features like preconditioning, constant current, and constant voltage regulation, as well as charge termination and safety timers.
1. VCC: Supply voltage input. This pin is connected to the power source for charging.
2. GND: Ground. This is the common ground for the IC.
3. BAT: Battery connection. This pin is connected to the positive terminal of the battery to be charged.
4. TS: Temperature sense. This pin is used for connecting a thermistor to monitor the battery temperature, providing a safety feature during charging.
5. STAT: Status indicator. This pin can drive an LED or interface with a microcontroller to indicate the charging status (such as charging, charge complete, or fault condition).
The BQ2057WTSTR is designed for efficient and safe charging, with features like preconditioning, constant current, and constant voltage regulation, as well as charge termination and safety timers.
Manufacturer
The BQ2057WTSTR is manufactured by Texas Instruments (TI), a global technology company known for its development and production of semiconductors and various integrated circuits. Texas Instruments is a leading company in the electronics industry, focusing on the design and manufacture of analog chips and embedded processors. They serve a wide array of markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is renowned for its innovation in the field of electronics, consistently providing solutions that improve the efficiency, performance, and energy management of electronic devices.
Application
The BQ2057WTSTR is a battery charge management IC from Texas Instruments. It is primarily designed for portable applications requiring intelligent charging solutions for single-cell lithium-ion or lithium-polymer batteries. Key application areas include:
1. Mobile phones
2. Portable audio/MP3 players
3. PDAs and handheld devices
4. Digital cameras
5. Smart watches
6. Wearable devices
Its integration of charge management features, including pre-charge conditioning, constant current/constant voltage charging, and charge termination, makes it suitable for compact and efficient battery charging solutions in consumer electronics.
1. Mobile phones
2. Portable audio/MP3 players
3. PDAs and handheld devices
4. Digital cameras
5. Smart watches
6. Wearable devices
Its integration of charge management features, including pre-charge conditioning, constant current/constant voltage charging, and charge termination, makes it suitable for compact and efficient battery charging solutions in consumer electronics.
Package
The BQ2057WTSTR is a battery charger IC from Texas Instruments. It is provided in a Thin Shrink Small Outline Package (TSSOP), specifically an 8-pin TSSOP. This package type is compact and suitable for various battery management applications.
