BQ2057CSNTR

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BQ2057CSNTR

IC BATT CHG LI-ION 1CELL 8SOIC

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  • Mfr. Part #BQ2057CSNTR
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  • Datasheet
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Specifications

Part Status Active
Base Product Number BQ2057
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 15V
Operating Temperature -20°C ~ 70°C (TA)
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)

Overview

Description

The BQ2057CSNTR is a battery management integrated circuit (IC) designed specifically for lithium-ion battery packs. It is part of Texas Instruments' BQ series and primarily focuses on battery charge management, providing functions such as battery voltage monitoring, temperature monitoring, and charge control. The IC supports various charging methods, including constant current/constant voltage (CC/CV) profiles, which are essential for efficient and safe charging of lithium-ion cells.
Key features include precise voltage regulation, programmable current settings, and built-in safety mechanisms like overvoltage and overcurrent protection. The BQ2057CSNTR is suitable for portable electronic devices, electric vehicles, and other applications where battery performance and longevity are critical. It typically comes in a compact package, making it easy to integrate into various designs.
For specific applications, refer to the datasheet for detailed specifications, pin configurations, and typical application circuits.

Features

The BQ2057CSNTR is a highly integrated battery management IC primarily designed for lithium-ion battery packs. Key features include:
1. Battery Charging: Supports constant current/constant voltage (CC/CV) charging, optimizing charge efficiency and safety.
2. Battery Protection: Offers over-voltage, under-voltage, and over-current protection, enhancing battery safety and longevity.
3. Temperature Monitoring: Integrated thermal sensing helps prevent overheating during charging and discharging.
4. State of Charge (SOC) Monitoring: Provides accurate SOC estimation, ensuring users are informed about battery status.
5. Low Quiescent Current: Optimizes battery life in sleep mode, ideal for portable applications.
6. Flexible Configuration: Can be configured for various battery sizes and chemistries, making it versatile for different applications.
7. Fault Diagnostics: Includes built-in diagnostics to detect and report fault conditions in the battery system.
Overall, the BQ2057CSNTR is suitable for consumer electronics, medical devices, and other applications requiring efficient lithium battery management.

Package

The BQ2057CSNTR is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package) form factor.

Pinout

The BQ2057CSNTR is a battery management IC primarily used for lithium-ion battery pack applications. It features a total of 16 pins, each serving specific functions crucial for battery monitoring and management.
Key pin functions include:
1. VCC: Supply voltage for the device.
2. GND: Ground reference.
3. TS: Temperature sense input for battery temperature monitoring.
4. BAT: Battery voltage measurement input.
5. VREF: Reference voltage output.
6. I2C SDA/SCL: Serial data and clock lines for I2C communication.
7. ALERT: Interrupt output indicating status changes or faults.
8. GPIO Pins: General-purpose I/O for custom functions or status indications.
The chip supports features such as cell balancing, state-of-charge estimation, and protection against over-voltage and under-voltage conditions, making it essential for efficient battery management in portable devices.

Manufacturer

The BQ2057CSNTR is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including analog and digital chips, embedded processors, and microcontrollers. The company is well-known for its contributions to various industries such as automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in power management, signal processing, and embedded solutions, making it a key player in the semiconductor market.

Application

The BQ2057CSNTR is a battery management IC commonly used in portable electronics, such as laptops, smartphones, and tablets. It monitors battery voltage, temperature, and charge/discharge cycles, ensuring optimal performance and safety. Additionally, it is utilized in electric vehicles and renewable energy storage systems to manage lithium-ion battery packs effectively.

Equivalent

The BQ2057CSNTR is a battery management IC, and equivalent products include the BQ2057 from Texas Instruments, the BQ2054, and potentially other battery management ICs from TI or similar devices from manufacturers like Analog Devices or Maxim Integrated. Always verify specifications to ensure compatibility for your specific application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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