LP3943ISQ
This LED driver offers seamless integration into various lighting applications, thanks to its easy-to-use SMBus/I2C communication protocol
Inventory:5,538
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : LP3943ISQ
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Package/Case : WQFN-24
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Manufacturer : Texas Instruments
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Components Classification : LED Drivers
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Datesheet : LP3943ISQ DataSheet (PDF)
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Series : LP3943
The LP3943ISQ is a 16-channel LED driver IC designed for driving LEDs in various lighting applications. It features a high efficiency boost converter and integrated FETs to provide accurate current regulation for each LED channel. (Note:The pin configuration below is a general representation.Refer to the specific datasheet for precise details.) Include a circuit diagram illustrating the connections and operation of the LP3943ISQ IC for a visual representation. Note:For detailed technical specifications,please refer to the LP3943ISQ datasheet. Functionality The LP3943ISQ is a versatile LED driver IC that provides efficient and programmable current control for up to 16 LED channels.It enables precise illumination control in various lighting applications. Usage Guide Q:Can the LP3943ISQ drive high-power LEDs? For similar functionalities,consider these alternatives to the LP3943ISQ:Overview of LP3943ISQ
Pinout
Circuit Diagram
Key Features
Application
Frequently Asked Questions
A:Yes,the LP3943ISQ can drive high-power LEDs with its programmable current control and efficient boost converter.Equivalent
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Number of channels | 16 | LED current per channel (mA) | 25 |
LED configuration | Parallel | Program memory | No |
Topology | Linear | Programmable ramp control | No |
Vin (min) (V) | 2.3 | Vin (max) (V) | 5.5 |
Iout (max) (A) | 0.2 | Features | I2C control |
Iq (typ) (mA) | 0.35 | Shutdown current (ISD) (typ) (µA) | 2 |
Operating temperature range (°C) | -40 to 85 | Rating | Catalog |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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LP3943ISQ
This LED driver offers seamless integration into various lighting applications, thanks to its easy-to-use SMBus/I2C communication protocol
Inventory:
5,538
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




