Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
BQ2057CSN
Ver Detalle Hojas de datos

BQ2057CSN

Product Overview

Category

The BQ2057CSN belongs to the category of battery management ICs.

Use

It is used for managing and monitoring rechargeable battery packs.

Characteristics

  • Integrated protection features
  • Accurate voltage and current monitoring
  • High efficiency charging
  • Wide operating temperature range

Package

The BQ2057CSN comes in a 16-pin SOIC package.

Essence

This IC is essential for ensuring the safe and efficient charging and discharging of battery packs.

Packaging/Quantity

The BQ2057CSN is typically available in reels with a quantity of 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Charge Current Range: 10mA to 500mA
  • Operating Temperature Range: -40°C to 85°C
  • Cell Balancing Accuracy: ±20mV

Detailed Pin Configuration

  1. VSS (Ground)
  2. VC (Charge Voltage Control)
  3. VDD (Supply Voltage)
  4. TS (Temperature Sense)
  5. BAT (Battery Pack Connection)
  6. SRP (System Reset Output)
  7. SRN (System Reset Input)
  8. CE (Charge Enable)
  9. ISET (Charge Current Set)
  10. VREF (Voltage Reference)
  11. VREG (Regulated Output Voltage)
  12. D– (Data Communication Negative)
  13. D+ (Data Communication Positive)
  14. TS2 (Temperature Sense 2)
  15. TS1 (Temperature Sense 1)
  16. PROG (Programming Resistor)

Functional Features

  • Overvoltage and undervoltage protection
  • Overcurrent protection
  • Temperature monitoring
  • Charge enable/disable control
  • Data communication interface

Advantages and Disadvantages

Advantages

  • Comprehensive protection features
  • Accurate monitoring and control
  • Wide operating temperature range
  • Data communication interface for system integration

Disadvantages

  • Higher cost compared to basic battery management solutions
  • Requires additional components for full functionality

Working Principles

The BQ2057CSN works by continuously monitoring the battery pack's voltage, current, and temperature. It regulates the charging process to ensure safe and efficient operation while providing various protection mechanisms to prevent overcharging, overdischarging, and overheating.

Detailed Application Field Plans

The BQ2057CSN is commonly used in applications such as: - Portable electronic devices - Electric vehicles - Energy storage systems - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models to the BQ2057CSN include: - BQ2057WTSG4 - MAX17055G+T - LTC2943IMS#PBF - ISL94203IRTZ-T

In conclusion, the BQ2057CSN is a versatile battery management IC that offers comprehensive protection and monitoring features, making it suitable for a wide range of battery-powered applications.

Word Count: 411

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BQ2057CSN en soluciones técnicas

  1. What is the BQ2057CSN?

    • The BQ2057CSN is a lithium-ion battery charger IC designed for portable and handheld devices.

  2. What is the input voltage range of the BQ2057CSN?

    • The input voltage range of the BQ2057CSN is typically 4.5V to 28V.

  3. What is the maximum charge current supported by the BQ2057CSN?

    • The BQ2057CSN supports a maximum charge current of 2A.

  4. Does the BQ2057CSN have overvoltage protection?

    • Yes, the BQ2057CSN features overvoltage protection to ensure safe charging.

  5. What is the thermal regulation feature of the BQ2057CSN?

    • The BQ2057CSN includes thermal regulation to adjust the charge current based on the device's temperature, preventing overheating.

  6. Can the BQ2057CSN be used for fast charging applications?

    • Yes, the BQ2057CSN can be used for fast charging applications with appropriate circuit design and component selection.

  7. What is the typical efficiency of the BQ2057CSN?

    • The typical efficiency of the BQ2057CSN is around 90% under normal operating conditions.

  8. Does the BQ2057CSN support trickle charging?

    • Yes, the BQ2057CSN supports trickle charging to maintain the battery at a fully charged state without overcharging.

  9. Is the BQ2057CSN suitable for single-cell or multi-cell battery packs?

    • The BQ2057CSN is suitable for single-cell lithium-ion or lithium-polymer battery packs.

  10. What are the key application areas for the BQ2057CSN?

    • The BQ2057CSN is commonly used in applications such as smartphones, tablets, portable medical devices, and other handheld electronic devices requiring lithium-ion battery charging solutions.