사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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) |
개요
Description
The BQ2057WSNTR is a battery charge management IC developed by Texas Instruments. It is designed for efficient charging of single-cell lithium-ion and lithium-polymer batteries. Key features include its support for both linear and pulse charging methods, making it versatile for various applications. The device ensures safe and precise charging by incorporating features like thermal regulation, charge status indication, and charge termination. Its compact size makes it suitable for portable and space-constrained devices such as smartphones, tablets, and wearable tech. The BQ2057WSNTR operates with minimal external components, simplifying circuit design and reducing overall system cost. It typically includes a charge current monitor and a battery temperature monitor to enhance safety and reliability. Overall, this IC provides an efficient, easy-to-implement solution for managing the charging of lithium-based batteries in consumer electronics and other portable applications.
Equivalent
The BQ2057WSNTR is a lithium-ion battery charger IC. Equivalent products include:
1. Microchip MCP73831: A highly integrated Li-Ion/Li-Polymer linear charger.
2. Linear Technology LT1510: A full-featured, constant-current/constant-voltage battery charger.
3. STMicroelectronics STC4054: A standalone linear Li-Ion battery charger.
4. Analog Devices ADP5063: A high-performance linear battery charger.
Ensure compatibility in terms of voltage, current, and other specifications when considering substitutes.
1. Microchip MCP73831: A highly integrated Li-Ion/Li-Polymer linear charger.
2. Linear Technology LT1510: A full-featured, constant-current/constant-voltage battery charger.
3. STMicroelectronics STC4054: A standalone linear Li-Ion battery charger.
4. Analog Devices ADP5063: A high-performance linear battery charger.
Ensure compatibility in terms of voltage, current, and other specifications when considering substitutes.
Features
The BQ2057WSNTR is a highly efficient single-cell lithium-ion (Li-Ion) and lithium-polymer (Li-Poly) battery charge management IC. Key features include:
1. Charge Termination: It uses a voltage-based technique to terminate charging, ensuring optimal battery performance and safety.
2. Precharge Conditioning: The IC includes a precharge conditioning mode that helps revive deeply discharged batteries by applying a low-level current.
3. Charge Status Indicator: It provides an easy-to-use charge status indicator to show whether the battery is charging, fully charged, or faulty.
4. Under-voltage Lockout (UVLO): This feature prevents battery damage by ensuring the battery is not charged if the supply voltage is too low.
5. Automatic Recharge: Once the battery is fully charged and then partially discharged, the IC automatically restarts the charging process.
6. Small Package: It is available in a compact, surface-mount package, suitable for space-constrained applications.
These features make the BQ2057WSNTR an ideal choice for portable and battery-operated devices, where efficient and safe battery charging is crucial.
1. Charge Termination: It uses a voltage-based technique to terminate charging, ensuring optimal battery performance and safety.
2. Precharge Conditioning: The IC includes a precharge conditioning mode that helps revive deeply discharged batteries by applying a low-level current.
3. Charge Status Indicator: It provides an easy-to-use charge status indicator to show whether the battery is charging, fully charged, or faulty.
4. Under-voltage Lockout (UVLO): This feature prevents battery damage by ensuring the battery is not charged if the supply voltage is too low.
5. Automatic Recharge: Once the battery is fully charged and then partially discharged, the IC automatically restarts the charging process.
6. Small Package: It is available in a compact, surface-mount package, suitable for space-constrained applications.
These features make the BQ2057WSNTR an ideal choice for portable and battery-operated devices, where efficient and safe battery charging is crucial.
Pinout
The BQ2057WSNTR is a single-cell lithium-ion or lithium-polymer battery charger IC from Texas Instruments. It typically comes in a small SOT-23-5 package, which includes five pins. Here’s a brief overview of its pin functions:
1. VCC (Pin 1): This is the input supply voltage pin. It is where the input voltage is applied to power the IC.
2. BAT (Pin 2): This pin connects to the positive terminal of the battery being charged. It serves as the output pin to provide charging current to the battery.
3. ISET (Pin 3): This pin is used to program the charging current. A resistor connected to this pin sets the desired charge current value.
4. GND (Pin 4): The ground pin serves as the common ground reference for the IC.
5. STAT (Pin 5): This is the status pin, which indicates the charging status through an LED or other signaling method. It can show whether the battery is charging, fully charged, or if there is a fault condition.
The BQ2057WSNTR is designed for simple and efficient battery charging with minimal external components.
1. VCC (Pin 1): This is the input supply voltage pin. It is where the input voltage is applied to power the IC.
2. BAT (Pin 2): This pin connects to the positive terminal of the battery being charged. It serves as the output pin to provide charging current to the battery.
3. ISET (Pin 3): This pin is used to program the charging current. A resistor connected to this pin sets the desired charge current value.
4. GND (Pin 4): The ground pin serves as the common ground reference for the IC.
5. STAT (Pin 5): This is the status pin, which indicates the charging status through an LED or other signaling method. It can show whether the battery is charging, fully charged, or if there is a fault condition.
The BQ2057WSNTR is designed for simple and efficient battery charging with minimal external components.
Manufacturer
The BQ2057WSNTR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. They are known for their work in various fields including analog electronics, embedded processors, and digital signal processors. TI serves a variety of industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.
Application
The BQ2057WSNTR is a lithium-ion and lithium-polymer linear charge management IC. It is typically used in applications that require efficient and precise battery charging management. Common application areas include:
1. Portable Electronics: Smartphones, tablets, and MP3 players.
2. Wearable Devices: Smartwatches and fitness trackers.
3. Power Banks: For charging and maintaining backup power sources.
4. Medical Devices: Portable equipment that requires battery power.
5. Wireless Accessories: Bluetooth headsets and other wireless peripherals.
Its small size and efficient power management make it ideal for compact and energy-sensitive applications.
1. Portable Electronics: Smartphones, tablets, and MP3 players.
2. Wearable Devices: Smartwatches and fitness trackers.
3. Power Banks: For charging and maintaining backup power sources.
4. Medical Devices: Portable equipment that requires battery power.
5. Wireless Accessories: Bluetooth headsets and other wireless peripherals.
Its small size and efficient power management make it ideal for compact and energy-sensitive applications.
Package
The BQ2057WSNTR is a battery charge management IC from Texas Instruments, and it comes in a small-outline transistor package known as SOT-23-5. This package type typically has five pins and is used for space-constrained applications.
