Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 2 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Current |
| BatteryPackVoltage | 8.2V |
| 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 BQ2057TTSTR is a microcontroller-based battery management IC developed by Texas Instruments. It's designed primarily for smart battery packs to provide accurate fuel gauging and management for rechargeable battery systems. The IC uses advanced algorithms to predict remaining battery capacity, state-of-charge (SoC), and time-to-empty or full, enhancing the reliability and efficiency of battery-powered devices.
Key features of the BQ2057TTSTR include:
1. Accurate Fuel Gauging: Utilizes sophisticated algorithms to monitor and predict battery performance.
2. Low Power Consumption: Designed to minimize power usage when monitoring battery state, which helps extend battery life.
3. Communication Interface: Supports communication protocols for integration with microcontrollers or other devices in a battery management system.
4. Configurable Parameters: Offers flexibility with programmable settings to accommodate various battery chemistries and configurations.
5. Safety Features: Includes over-voltage, under-voltage, and over-current protection to ensure safe operation.
This IC is suitable for use in various applications, including consumer electronics, medical devices, and portable instruments, where efficient battery management is critical.
Key features of the BQ2057TTSTR include:
1. Accurate Fuel Gauging: Utilizes sophisticated algorithms to monitor and predict battery performance.
2. Low Power Consumption: Designed to minimize power usage when monitoring battery state, which helps extend battery life.
3. Communication Interface: Supports communication protocols for integration with microcontrollers or other devices in a battery management system.
4. Configurable Parameters: Offers flexibility with programmable settings to accommodate various battery chemistries and configurations.
5. Safety Features: Includes over-voltage, under-voltage, and over-current protection to ensure safe operation.
This IC is suitable for use in various applications, including consumer electronics, medical devices, and portable instruments, where efficient battery management is critical.
Equivalent
The BQ2057TTSTR is a linear battery charger IC from Texas Instruments. Equivalent products include:
1. MCP73831 from Microchip Technology
2. MAX1811 from Maxim Integrated
3. LP2951 from Texas Instruments
4. TP4056 from NanJing Top Power
Each of these chips offers similar functionality for charging single-cell lithium-ion or lithium-polymer batteries, though specific features and parameters may differ slightly.
1. MCP73831 from Microchip Technology
2. MAX1811 from Maxim Integrated
3. LP2951 from Texas Instruments
4. TP4056 from NanJing Top Power
Each of these chips offers similar functionality for charging single-cell lithium-ion or lithium-polymer batteries, though specific features and parameters may differ slightly.
Features
The BQ2057TTSTR is a microcontroller-based battery management IC designed for battery monitoring and charge control. Key features include:
1. Battery Monitoring: It provides detailed monitoring of battery voltage, temperature, and charge/discharge current, ensuring accurate data for battery status and performance evaluation.
2. Charge Control: The IC supports efficient charge control, optimizing the charging process to enhance battery life and performance. It can adapt to various battery chemistries and configurations.
3. Fuel Gauge: Built-in fuel gauge function provides precise estimation of remaining battery capacity and runtime, which is critical for portable applications.
4. Low Power Operation: Designed for low power consumption, it is suitable for battery-operated devices, extending overall device battery life.
5. Programmable Features: Offers programmability for various parameters, allowing customization for different battery types and application needs.
6. I2C Interface: It includes an I2C interface for easy integration and communication with host systems, facilitating data exchange and system control.
These features make the BQ2057TTSTR suitable for a wide range of applications, such as portable electronics, power tools, and other battery-operated devices.
1. Battery Monitoring: It provides detailed monitoring of battery voltage, temperature, and charge/discharge current, ensuring accurate data for battery status and performance evaluation.
2. Charge Control: The IC supports efficient charge control, optimizing the charging process to enhance battery life and performance. It can adapt to various battery chemistries and configurations.
3. Fuel Gauge: Built-in fuel gauge function provides precise estimation of remaining battery capacity and runtime, which is critical for portable applications.
4. Low Power Operation: Designed for low power consumption, it is suitable for battery-operated devices, extending overall device battery life.
5. Programmable Features: Offers programmability for various parameters, allowing customization for different battery types and application needs.
6. I2C Interface: It includes an I2C interface for easy integration and communication with host systems, facilitating data exchange and system control.
These features make the BQ2057TTSTR suitable for a wide range of applications, such as portable electronics, power tools, and other battery-operated devices.
Pinout
The BQ2057TTSTR is a battery charge controller IC developed by Texas Instruments. It is typically used in applications for charging single-cell lithium-ion or lithium-polymer batteries. The BQ2057TTSTR comes in a 5-pin SOT-23 package. Here is a brief overview of its pin functions:
1. VCC (Pin 1): This pin is connected to the input voltage supply. It serves as the power supply input for the device.
2. BAT (Pin 2): The BAT pin is connected to the battery. It is used for both sensing the battery voltage and providing charge current to the battery.
3. GND (Pin 3): This is the ground pin of the IC and serves as the reference point for all voltages in the circuit.
4. TS (Pin 4): The TS pin is connected to a thermistor for temperature sensing. It ensures the battery is charged within safe temperature limits.
5. OUT (Pin 5): This pin provides a regulated output voltage used to charge the battery or power the system load when the input supply is present.
The BQ2057TTSTR provides a simple, efficient, and low-cost solution for charging single-cell lithium batteries with high accuracy and safety features.
1. VCC (Pin 1): This pin is connected to the input voltage supply. It serves as the power supply input for the device.
2. BAT (Pin 2): The BAT pin is connected to the battery. It is used for both sensing the battery voltage and providing charge current to the battery.
3. GND (Pin 3): This is the ground pin of the IC and serves as the reference point for all voltages in the circuit.
4. TS (Pin 4): The TS pin is connected to a thermistor for temperature sensing. It ensures the battery is charged within safe temperature limits.
5. OUT (Pin 5): This pin provides a regulated output voltage used to charge the battery or power the system load when the input supply is present.
The BQ2057TTSTR provides a simple, efficient, and low-cost solution for charging single-cell lithium batteries with high accuracy and safety features.
Manufacturer
The BQ2057TTSTR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide array of electronic components and integrated circuits. It is known for its innovation in analog and embedded processing products. TI serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company's products are used in numerous applications, such as power management, data conversion, signal processing, and more.
Application
The BQ2057TTSTR is a battery charge management IC used primarily in portable electronics. Its main application areas include:
1. Consumer Electronics: Used in devices like smartphones, tablets, and digital cameras for efficient battery charging.
2. Portable Medical Devices: Ensures reliable charging for handheld medical equipment.
3. Wearable Technology: Powers wearables such as smartwatches and fitness trackers with safe battery management.
4. Rechargeable Battery Packs: Manages charging in various battery pack designs, enhancing battery life and safety.
5. Power Banks: Utilized in portable chargers for efficient energy transfer and management.
Its features like precision voltage regulation, current sensing, and safety protection make it suitable for these applications.
1. Consumer Electronics: Used in devices like smartphones, tablets, and digital cameras for efficient battery charging.
2. Portable Medical Devices: Ensures reliable charging for handheld medical equipment.
3. Wearable Technology: Powers wearables such as smartwatches and fitness trackers with safe battery management.
4. Rechargeable Battery Packs: Manages charging in various battery pack designs, enhancing battery life and safety.
5. Power Banks: Utilized in portable chargers for efficient energy transfer and management.
Its features like precision voltage regulation, current sensing, and safety protection make it suitable for these applications.
Package
The BQ2057TTSTR is packaged in a Thin Shrink Small Outline Package (TSSOP) with 8 pins. This type of package is compact and suitable for space-constrained applications, commonly used for integrated circuits in battery management systems.
