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BQ2057CSN

Part No BQ2057CSN
Manufacturer Texas Instruments
Catalog PMIC - Battery Chargers
Description IC BATT CHG LI-ION 1CELL 8SOIC / Charger IC Lithium Ion/Polymer 8-SOIC
Sample
Rohs State rohs
ECAD Module
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Category Integrated Circuits (ICs) - Power Management (PMIC) - Battery Chargers
Mfr Texas Instruments
Package Tube
Product Status Active
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
Temperature Range - Operating -20°C ~ 70°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number BQ2057
Standard Package 75 pcs
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001
Win Source Part Number 571352-BQ2057CSN
Ultra Librarian 3D Model Ultra Librarian BQ2057CSN CAD Model

Description

Introducing the BQ2057CSN Advanced Lithium-Ion Charge Management IC

The BQ2057CSN is a sophisticated charge management integrated circuit (IC) designed by Texas Instruments, aimed at enhancing the performance and reliability of single-cell lithium-ion batteries. This advanced chip is a testament to Texas Instruments' commitment to innovation in power management solutions, catering to a wide array of portable electronic devices.

Key Features

  • Advanced Charge Control: The BQ2057CSN provides precise control over the charging process, ensuring that the battery is charged efficiently and safely. It supports both fast charge and trickle charge modes, adapting to the battery's needs.
  • Automatic Preconditioning: To safeguard battery health, the IC initiates a preconditioning charge if the battery voltage is below a certain threshold, preparing the battery for the main charging cycle.
  • Status Monitoring: With built-in status outputs, the BQ2057CSN allows for real-time monitoring of the charging process. These outputs can be used to drive LEDs or interface with a host microcontroller for detailed status reporting.
  • Temperature Protection: The IC includes temperature monitoring to prevent charging at unsafe temperatures, thereby ensuring the safety and longevity of the battery.
  • Charge Termination: To prevent overcharging, the BQ2057CSN automatically terminates the charge cycle once the battery reaches its peak voltage and the current falls below a preset level.

Applications

The versatility of the BQ2057CSN makes it an ideal choice for a broad spectrum of applications. It is particularly well-suited for:

  • Portable Computers
  • Cellular Phones
  • Personal Digital Assistants (PDAs)
  • Handheld Instruments

Technical Specifications

Engineered to be both powerful and practical, the BQ2057CSN offers a compact form factor with a 8-pin narrow SOIC package, allowing for seamless integration into your design. With a wide operating temperature range and compatibility with various lithium-ion chemistries, this IC is a robust solution for modern charge management requirements.

Conclusion

The Texas Instruments BQ2057CSN Charge Management IC is a prime example of cutting-edge technology designed to elevate the performance and safety of lithium-ion battery systems. With its comprehensive feature set and adaptability, it stands out as an essential component for developers seeking to create reliable, high-performance portable devices.

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Pricing & Ordering

Quantity Unit Price Ext. Price
11+ $4.9140 $54.0540
25+ $4.0320 $100.8000
39+ $3.9060 $152.3340
53+ $3.7800 $200.3400
69+ $3.6540 $252.1260
92+ $3.2760 $301.3920
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 10,000 pieces
MOQ: 11 pcs
Order Increment : 1 pcs
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