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HomeProductsIntegrated Circuits (ICs)PMIC - LED DriversLM3502SQ-35
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LM3502SQ-35 - Texas Instruments

Manufacturer Part Number
LM3502SQ-35
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM3502SQ-35
ECAD Model
Parts Description
IC LED DRV RGLTR PWM 16WQFN
Package
16-WFQFN Exposed Pad
Data sheet
LM3502SQ-35.pdf
Our certification
In stock: 10590

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Specifications

LM3502SQ-35 Tech Specifications
Texas Instruments - LM3502SQ-35 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM3502SQ-35

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Min) 2.5V  
Voltage - Supply (Max) 5.5V  
Voltage - Output 35V  
Type DC DC Regulator  
Topology Step-Up (Boost)  
Supplier Device Package 16-WQFN (4x4)  
Series -  
Package / Case 16-WFQFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 2  
Mounting Type Surface Mount  
Internal Switch(s) Yes  
Frequency 1MHz  
Dimming PWM  
Current - Output / Channel 750mA (Switch)  
Base Product Number LM3502  
Applications Backlight  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LM3502SQ-35

Manufacturer

Texas Instruments

Introduction

The LM3502SQ-35 is a high-efficiency, highly integrated LED driver solution from Texas Instruments. It is designed to power LED-based backlight applications, providing a constant current output to drive up to two strings of LEDs.

Product Features and Performance

Step-up (boost) converter topology with internal switch

Supports two independent LED strings with up to 750mA output current per channel

Wide input voltage range of 2.5V to 5.5V

Constant 35V output voltage

1MHz switching frequency for small external components

Built-in PWM dimming control

Thermal shutdown and overload protection

Product Advantages

Highly integrated design reduces component count and simplifies PCB layout

Efficient power conversion for improved energy savings

Precise LED current regulation for consistent brightness

Flexible dimming control enables adjustable LED brightness

Robust protection features ensure reliable operation

Key Reasons to Choose This Product

Optimized for LED backlighting applications

Compact, space-saving solution with integrated features

Excellent power efficiency and thermal performance

Reliable operation with advanced protection mechanisms

Proven technology from a trusted semiconductor manufacturer

Quality and Safety Features

Designed and manufactured to high quality standards

Overcurrent, overvoltage, and thermal protection

AEC-Q100 qualified for automotive applications

Compatibility

The LM3502SQ-35 is compatible with a wide range of LED-based backlight designs and can be used in various consumer electronics, industrial, and automotive applications.

Application Areas

LED-based backlight for LCD displays

Illumination for keypads, buttons, and indicators

General-purpose LED driving applications

Product Lifecycle

The LM3502SQ-35 is an obsolete product, meaning it is no longer actively manufactured or supported. Customers are advised to contact our website's sales team for information on equivalent or alternative models that may be available.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM3502SQ-35

Product Attribute LM3502SQ-35 LM3503SQ-44 LM3502SQ-25 LM3502SQX-35
Part Number LM3502SQ-35 LM3503SQ-44 LM3502SQ-25 LM3502SQX-35
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Dimming PWM Analog, PWM PWM PWM
Voltage - Supply (Min) 2.5V 2.5V 2.5V 2.5V
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 85°C (TA)
Voltage - Output 35V 44V 25V 35V
Type DC DC Regulator DC DC Regulator DC DC Regulator DC DC Regulator
Frequency 1MHz 1MHz 1MHz 1MHz
Voltage - Supply (Max) 5.5V 5.5V 5.5V 5.5V
Applications Backlight Backlight Backlight Backlight
Base Product Number LM3502 LM3503 - LM3502
Number of Outputs 2 2 2 2
Package / Case 16-WFQFN Exposed Pad 16-WFQFN Exposed Pad 16-WFQFN Exposed Pad 16-WFQFN Exposed Pad
Internal Switch(s) Yes Yes Yes Yes
Series - - - -
Current - Output / Channel 750mA (Switch) 750mA (Switch) 600mA (Switch) 750mA (Switch)
Package Tape & Reel (TR) Tape & Reel (TR) Bulk Tape & Reel (TR)
Topology Step-Up (Boost) Step-Up (Boost) Step-Up (Boost) Step-Up (Boost)
Supplier Device Package 16-WQFN (4x4) 16-WQFN (4x4) 16-WQFN (4x4) 16-WQFN (4x4)

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LM3502SQ-35

Texas Instruments
32D-LM3502SQ-35

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