BQ24450DW

Integrated controller for charging Lead-Acid batteries
4,121 Effective Inventory

BQ24450DW

Effective Inventory4,121

Integrated controller for charging Lead-Acid batteries

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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BQ24450DW DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for BQ24450DW or email to us: Email: [email protected], we will contact you in 12 hours.

Details

In conclusion, the BQ24450DW is a cutting-edge battery charge controller IC that sets a new standard for efficiency, safety, and reliability in battery charging technology. Its advanced features and compact design make it the perfect solution for managing and charging rechargeable batteries in a wide range of applications. Invest in the BQ24450DW today and experience the future of battery charging technology

Key Features

  • Safe and Reliable Charging Experience
  • Precision Temperature Control for Optimal Performance
  • Advanced Battery Management for Longer Lifespan
  • Fast Charging with Minimal Heat Generation
  • Improved Efficiency through Smart Charging Technology
  • Robust and Durable Design for Harsh Environments

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of series cells 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 Charge current (max) (A) 10
Vin (max) (V) 40 Cell chemistry Lead Acid
Battery charge voltage (min) (V) 0 Battery charge voltage (max) (V) 20
Absolute max Vin (max) (V) 40 Control topology Linear
Control interface Standalone (RC-Settable) Features IC thermal regulation
Vin (min) (V) 5 Rating Catalog
Operating temperature range (°C) -40 to 70

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification BQ24450DW PDF Download

FAQs

What is BQ24450DW?

The BQ24450DW is a precision battery charge controller IC designed by Texas Instruments. It is capable of controlling and fast charging Nickel Cadmium (NiCd) or Nickel Metal Hydride (NiMH) batteries, making it suitable for various battery-powered applications such as portable devices, power tools, and battery chargers.

How Does BQ24450DW Work?

The BQ24450DW operates by monitoring the voltage and temperature of the battery to ensure safe and efficient charging. It utilizes a controlled PWM (Pulse Width Modulation) charge algorithm to regulate the charging current and voltage, protecting the battery from overcharging and overheating. The IC also features trickle charge and preconditioning modes for optimizing the charging process.

How Many Pins does BQ24450DW have and What are the Functions of the Pinout Configuration?

The BQ24450DW is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VBAT: Battery voltage sense input pin.
  • ISET: Charge current programming pin.
  • TS: Temperature sense input pin.
  • PGND: Power ground pin.
  • VDD: Power supply pin.
  • PROG: Programming pin for setting charge termination current.
  • TRKL: Pin for trickle charge mode selection.
  • VADP, VREG, VAC, VC, BAT, DSR, TSNS: Other control and sense pins.

What are the Pros and Cons of BQ24450DW?

Pros:

  • Battery Protection: Provides features to protect the battery from overcharging and overheating.
  • Programmable Charge Current: Allows for flexible programming of the charge current for different battery types and sizes.
  • Efficient Charging Algorithm: Utilizes PWM charge control for efficient and safe charging.
  • Trickle Charge and Preconditioning: Includes modes for trickle charging and battery preconditioning.
  • Compact Package: Housed in a 16-pin SOIC package for easy PCB integration.

Cons:

  • Complexity: Requires careful design considerations for optimum performance.
  • External Components: May need additional external components for specific applications.
  • Cost: Precision charge controllers like the BQ24450DW may have a higher cost compared to basic charging ICs.

Are There Any Equivalents/Alternatives to BQ24450DW for Recommendation?

  • The BQ24460 from Texas Instruments is a similar battery charge controller IC with extended features.
  • Alternatives to the BQ24450DW include the MCP73831 from Microchip Technology and the LTC4000 from Analog Devices.

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