Name: LP8543SQ
Brand: Texas Instruments
SKU: LP8543SQ
Availability: InStock
Rating: 5 (128 reviews)

LP8543SQ

For Reference Only

Part Number	LP8543SQ
Manufacturer	Texas Instruments
Description	IC LED DRIVER RGLTR DIM 24WQFN
Datasheet	LP8543SQ Specifications
Package	24-WFQFN Exposed Pad
ECAD
In Stock	3,808 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 9 - Jun 14 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LP8543SQ (PMIC - LED Drivers) is manufactured by Texas Instruments and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For LP8543SQ specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LP8543SQ with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LP8543SQ.

LP8543SQ Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - PMIC - LED Drivers
Package	24-WFQFN Exposed Pad
ECAD
Series	-
Type	DC DC Regulator
Topology	Step-Up (Boost)
Internal Switch(s)	Yes
Number of Outputs	7
Voltage - Supply (Min)	5.5V
Voltage - Supply (Max)	22V
Voltage - Output	40V
Current - Output / Channel	60mA
Frequency	625kHz ~ 1.25MHz
Dimming	PWM
Applications	Backlight
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	24-WFQFN Exposed Pad
Supplier Device Package	24-WQFN (4x4)

LP8543SQ Reviews

Aleja*****Divan

March 29, 2023

★ ★ ★ ★ ★

The products are good, the amount is correct. The values are correct.

Saoi*****Mathur

March 17, 2023

★ ★ ★ ★ ★

Parts received and tested, all can work, thank you

Julio *****ishnan

March 15, 2023

★ ★ ★ ★ ★

Well packaged and good condition with the parts, arrived on time, good customer service.

Alex*****yons

March 5, 2023

★ ★ ★ ★ ★

I was glad to find this product being sold at a great price. They were the perfect replacement.

Vih***** Raj

March 1, 2023

★ ★ ★ ★ ★

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.

Ali*****Adams

February 27, 2023

★ ★ ★ ★ ★

Great product & fast shipping. Works as they should.

Zeld*****dson

February 25, 2023

★ ★ ★ ★ ★

The are the right size and type and do what they are designed to do.

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LP8543SQ Packaging

LP8543SQ FAQ

1. How to order LP8543SQ on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LP8543SQ is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LP8543SQ. All suppliers must pass our qualification reviews before they can publish their products including LP8543SQ on Heisener; we pay more attention to the channels and quality of LP8543SQ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LP8543SQ price and inventory displayed accurate?

The price and inventory of LP8543SQ fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LP8543SQ?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LP8543SQ we delivered, we will accept the replacement or return of the LP8543SQ only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LP8543SQ.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as LP8543SQ pin diagram, LP8543SQ datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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LP8543SQ Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
LP8543SQX/NOPB D# V36:1790_07295180	Texas Instruments	LED Driver 70 Segment 3500uA Supply Current 24-Pin WQFN EP T/R RoHS: Compliant	0
LP8543SQE/NOPB D# V36:1790_07295179	Texas Instruments	LED Driver 70 Segment 3500uA Supply Current 24-Pin WQFN EP T/R RoHS: Compliant	0
LP8543SQ/NOPB D# V72:2272_07295178	Texas Instruments	LED Driver 70 Segment 3500uA Supply Current 24-Pin WQFN EP T/R RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

LP8543SQE

National Semiconductor Corporation

231

Part Number	Manufacturer	Description	Stock
LP8543SQE/NOPB	Texas Instruments	IC, LED DRVR, LLP	137
LP8543SQ/NOPB	Texas Instruments	IC LED DVR LCD BACKLIGHT 24WQFN	0
LP8543SQX/NOPB	Texas Instruments	SMBus/I2C Controlled WLED Driver for Med	0
LP8543SQ	Texas Instruments	IC, LED DRVR, LLP	137
LP8543SQE	Texas Instruments	IC, LED DRVR, LLP	137

Part Number	Manufacturer	Description	Stock
LP8543SQ/NOPB D# 296-36323-2-ND	Texas Instruments	IC LED DRIVER RGLTR DIM 24WQFN	0
LP8543SQX/NOPB D# LP8543SQX/NOPB-ND	Texas Instruments	IC LED DRIVER RGLTR DIM 24WQFN	0
LP8543SQ D# LP8543SQTR-ND	Texas Instruments	IC LED DRIVER RGLTR DIM 24WQFN	0
LP8543SQE D# LP8543SQE-ND	Texas Instruments	IC LED DRIVER RGLTR DIM 24WQFN	0
LP8543SQE/NOPB D# LP8543SQE/NOPBCT-ND	Texas Instruments	IC LED DRIVER RGLTR DIM 24WQFN	15

Part Number	Manufacturer	Description	Stock
LP8543SQE	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	268
LP8543SQX	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	42021
LP8543SQXNOPB	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	267
LP8543SQ	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	49

Part Number

Manufacturer

Description

Stock

LP8543SQX

Texas Instruments

OEM/CM ONLY

526

Part Number	Manufacturer	Description	Stock
LP8543SQE/NOPB	Texas Instruments	OEM/CM Immediate delivery	103
LP8543SQX	National Semiconductor Corporation	OEM/CM Immediate delivery	8000
LP8543SQ	National Semiconductor Corporation	OEM/CM Immediate delivery	750

Part Number

Manufacturer

Description

Stock

LP8543SQE/NOPB

D# 926-LP8543SQE/NOPB

Texas Instruments

LED Lighting Drivers

RoHS: Compliant

110

LP8543SQ/NOPB

D# 595-LP8543SQ/NOPB

Texas Instruments

LED Lighting Drivers SMBus/I2C Controlled WLED Dvr

RoHS: Compliant

1739

Part Number	Manufacturer	Description	Stock
LP8543SQ D# NS-LP8543SQ	Texas Instruments	OEM/CM ONLY	1625
LP8543SQE/NOPB D# NS-LP8543SQE/NOPB	Texas Instruments	OEM/CM ONLY	4925
LP8543SQ/NOPB D# NS-LP8543SQ/NOPB	Texas Instruments	OEM/CM ONLY	4246
LP8543SQX/NOPB D# NS-LP8543SQX/NOPB	Texas Instruments	OEM/CM ONLY	8622
LP8543SQE D# NS-LP8543SQE	Texas Instruments	OEM/CM ONLY	8315

Part Number

Manufacturer

Description

Stock

LP8543SQE/NOPB

Texas Instruments

LP8543 SMBus/I2C Controlled WLED Driver for Medium Sized LCD Backlight

RoHS: Compliant

24600

Part Number	Manufacturer	Description	Stock
LP8543SQ	National Semiconductor Corporation	OEM/CM ONLY	58
LP8543SQE	National Semiconductor Corporation	OEM/CM ONLY	247
LP8543SQX/NOPB	National Semiconductor Corporation	OEM/CM ONLY	246
LP8543SQX	National Semiconductor Corporation	OEM/CM ONLY	36241

Part Number	Manufacturer	Description	Stock
LP8543SQE/NOPB	Texas Instruments	IN stock Immediate delivery	98
LP8543SQX	National Semiconductor Corporation	IN stock Immediate delivery	8015
LP8543SQ	National Semiconductor Corporation	IN stock Immediate delivery	745

Part Number

Manufacturer

Description

Stock

LP8543SQ/NOPB

Texas Instruments

SMBus/I2C controlled WLED driver for Medium Sized LCD backlight

LP8543SQE/NOPB

Texas Instruments

SMBus/I2C controlled WLED driver for Medium Sized LCD backlight

Part Number	Manufacturer	Description	Stock
LP8543SQ	National Semiconductor Corporation	shipping today	749
LP8543SQX/NOPB	National Semiconductor Corporation	shipping today	229
LP8543SQE	Texas Instruments	shipping today	29

Part Number

Manufacturer

Description

Stock

LP8543SQ/NOPB

D# 25773440

Texas Instruments

LED Driver 70 Segment 3500uA Supply Current 24-Pin WQFN EP T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LP8543SQE/NOPB

Texas Instruments

RFQ

6258

Part Number

Manufacturer

Description

Stock

LP8543SQX

Texas Instruments

IC LED DRIVER RGLTR DIM 24WQFN

31500

Quick Inquiry

LP8543SQ

Certified Quality

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