BQ2057WTS

有效庫存7,947

AutoComp Technology for optimized charging

  • 製造商零件號 # : BQ2057WTS

  • 包裝/封裝: TSSOP-8

  • 零件狀態 : Restricted Availability

  • 製造商: Texas Instruments

  • 產品分類 : Battery Chargers

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服務與包裝

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About After Sales Service

All Parts Extended Quality Guarantee

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例子

捲帶式

捲帶式

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BQ2057WTS 數據表

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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!

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詳細說明

The wide input voltage range of 4.5V to 28V allows the BQ2057WTS to be versatile and adaptable to various power supply configurations, making it suitable for a wide range of applications. Whether used in consumer electronics, medical devices, or industrial equipment, the BQ2057WTS provides the reliability and performance needed for demanding battery charging and management requirements

BQ2057WTS

主要特徵

  • Ideal for Single (4.1 V or 4.2 V) and Dual-Cell(8.2 V or 8.4 V) Li-Ion or Li-Pol Packs Requires Small Number of External Components 0.3 V Dropout Voltage for Minimizing Heat Dissipation Better Than ±1% Voltage Regulation Accuracy With Preset Voltages AutoCompt Dynamic Compensation of Battery Pack’s Internal Impedance to Reduce Charge Time Optional Cell-Temperature Monitoring Before and During Charge  Integrated Voltage and Current Regulation With Programmable Charge-Current and High-orLow-Side Current Sensing Integrated Cell Conditioning forRevivingDeeply Discharged Cellsand Minimizing Heat Dissipation During Initial Stage Of Charge Charge Status Output for Single or Dual LedorHost Processor Interface Automatic Battery-Recharge Feature Charge Termination by Minimum Current Automatic Low-Power Sleep Mode When VCC Is Removed EVMs Available for Quick Evaluation Packaging: 8-Pin SOIC, 8-Pin TSSOP, 8 PinMSOP

規格

以下是所選零件的基本參數,涉及零件的特性及其所屬類別。

Product Category ! Battery Management RoHS Details
Product Charge Management Battery Type Lithium-ion, Lithium Polymer
Output Voltage 8.4 V Output Current ! 2 A
Operating Supply Voltage ! 4.5 V to 15 V Package / Case TSSOP-8
Mounting Style SMD/SMT Series BQ2057W
Brand Texas Instruments Height 1.15 mm
Length 3 mm Maximum Operating Temperature ! + 70 C
Minimum Operating Temperature - 20 C Moisture Sensitive Yes
Product Type ! Battery Management Factory Pack Quantity 150
Subcategory PMIC - Power Management ICs Type Linear Charge Management
Width 4.4 mm Unit Weight 0.001185 oz

常見問題解答

What is BQ2057WTS?

The BQ2057WTS is a lithium-ion battery charger IC designed by Texas Instruments. It is commonly used for charging and managing lithium-ion batteries in portable electronic devices, power banks, and battery-powered systems.

How Does BQ2057WTS Work?

The BQ2057WTS functions as a charger IC for lithium-ion batteries, providing charging control, protection, and monitoring features. It manages the charging current, voltage, and temperature of the battery to ensure safe and efficient charging. The IC also includes features like overcharge protection, over-discharge protection, and temperature monitoring for battery safety.

How Many Pins does BQ2057WTS have and What are the Functions of the Pinout Configuration?

The BQ2057WTS is housed in a 10-pin VSSOP (Very Small Outline Package) package. The pinout configuration includes:

  • VBAT: Battery voltage input pin.
  • VSYS: System voltage input pin.
  • VSS: Ground pin.
  • SCL, SDA: I2C interface pins for communication.
  • PROG: Programming pin for setting charge parameters.
  • TS: Temperature sensor input pin.
  • INT: Interrupt output pin.

What are the Pros and Cons of BQ2057WTS?

Pros:

  • Integrated Protection: Offers overcharge and over-discharge protection for battery safety.
  • Temperature Monitoring: Includes temperature sensing features for enhanced safety during charging.
  • Programmable Parameters: Allows flexibility in setting charging parameters through the programming pin.
  • Compact Package: Housed in a small VSSOP package, suitable for space-constrained designs.
  • Efficient Charging: Provides efficient charging control for lithium-ion batteries.

Cons:

  • Complexity: Requires understanding of battery charging principles for optimal use.
  • External Components: May need additional components like resistors or capacitors for specific applications.
  • Cost: Higher cost compared to basic battery charging solutions due to advanced features.

Are There Any Equivalents/Alternatives to BQ2057WTS for Recommendation?

  • The BQ24296 from Texas Instruments is a similar lithium-ion charger IC with additional features.
  • Alternatives to the BQ2057WTS include the MCP73871 from Microchip Technology and the MAX8903A from Maxim Integrated.

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