Coupons
Assembly Parts LibFor PCBA Only
0Parts Cart
Products
  • In Stock Parts
  • Bom Tool
  • Request a Quote
  • Support
Chat with our live agent for fast reply.
Mon-Fri: 24 hours, Sat: 9am-6pm, GMT+8
Email Us >
Contact us at support@jlcpcb.com
Typically reply within hours.
Help Center >
Get instant answers.
24/7 Available.
Services & Tools
  • Electronic Parts
  • BOM Tool
  • Request a Quote
  • Manufacturers
  • PCB Assembly
Support
  • Contact Us
  • How to Order
  • User Guides
  • Sourcing Tips
  • Payment Methods
Company
  • About Us
  • Quality Assurance
  • How We Work
  • Certifications
  • Security
  • JLCAPI
  • News
  • Cooperation
  • Careers
Electronics
  • EasyEDA
  • JLCPCB
  • JLCDFM
  • LCSC
  • OSHWLAB
Mechanical
  • JLC3DP
  • JLCCNC
  • JLCMC
Download JLCONE Desktop—Get $524 Exclusive Coupons
CONNECT WITH US
Services & Tools
Electronic PartsBOM ToolRequest a QuoteManufacturersPCB Assembly
Support
Contact UsHow to OrderUser GuidesSourcing TipsPayment Methods
Company
About UsQuality AssuranceHow We WorkCertificationsSecurityJLCAPINewsCooperationCareers
Electronics
EasyEDAJLCPCBJLCDFMLCSCOSHWLAB
Mechanical
JLC3DPJLCCNCJLCMC

Download JLCONE Desktop—Get $524 Exclusive Coupons

CONNECT WITH US

© 2026 JLCPCB.COM All Rights Reserved.Privacy PolicyTerms & ConditionsCookies PolicyDo Not Sell or Share My Personal Information
  1. JLCPCB
  2. Parts Library
  3. All Components
  4. LED Drivers
  5. LED Drivers
  6. LM3646YFQR
LM3646YFQR
Extended
* Images are for reference only
LM3646YFQR
Attributes
Value
Manufacturer
Texas Instruments
MFR.Part #
LM3646YFQR
JLCPCB Part #
C2678662
Package
DSBGA-20
Description
-40℃~+85℃ 1.5A 2 2.7V~5.5V 4MHz 7% Boost Built-in DC-DC PWM、I2C DSBGA-20 LED Drivers ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Standard Only
MSL Level
MSL 1
X-ray Inspection
Required

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

AttributesValue
CategoryLED Drivers/LED Drivers
ManufacturerTexas Instruments
PackageDSBGA-20
Constant Current Accuracy7%
TypeDC-DC
Number of Channels2
Frequency - Switching4MHz
Voltage - Input(DC)2.7V~5.5V
Output Current1.5A
DimmingPWM、I2C
Switch Tube (Built-In/External)Built-in
TopologyBoost
Operating temperature-40℃~+85℃
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. LED Drivers
  5. LED Drivers
  6. LM3646YFQR
LM3646YFQR

* Images are for reference only

LM3646YFQR

Extended
Manufacturer

Texas Instruments

MFR.Part #
LM3646YFQR
JLCPCB Part #
C2678662
Package
DSBGA-20
Description
-40℃~+85℃ 1.5A 2 2.7V~5.5V 4MHz 7% Boost Built-in DC-DC PWM、I2C DSBGA-20 LED Drivers ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Standard Only
MSL Level
MSL 1
X-ray Inspection
Required

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

LM3646YFQR

* Images are for reference only

LM3646YFQR
Extended
Manufacturer

Texas Instruments

MFR.Part #
LM3646YFQR
JLCPCB Part #
C2678662
Package
DSBGA-20
Description
-40℃~+85℃ 1.5A 2 2.7V~5.5V 4MHz 7% Boost Built-in DC-DC PWM、I2C DSBGA-20 LED Drivers ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Standard Only
MSL Level
MSL 1
X-ray Inspection
Required

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

LM3646YFQR Specifications

LM3646YFQR technical specifications, attributes, and parameters.

AttributesValue
CategoryLED Drivers/LED Drivers
ManufacturerTexas Instruments
PackageDSBGA-20
Constant Current Accuracy7%
TypeDC-DC
Number of Channels2
Frequency - Switching4MHz
Voltage - Input(DC)2.7V~5.5V
Output Current1.5A
DimmingPWM、I2C
Switch Tube (Built-In/External)Built-in
TopologyBoost
Operating temperature-40℃~+85℃
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the LM3646YFQR. Sign up to receive and start your assembly today →

  • 1

    Step 1 - Pre-order the parts you need from JLCPCB.

  • 2

    Step 2 - Place a PCBA order to have those parts assembled onto your boards.

  • 3

    Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

JLCPCB Assembly Tutorial
Learn more about JLCPCB Assembly

LM3646YFQR Documents

LM3646YFQR datasheets or manufacturer documentation.

Datasheet: LM3646YFQR Datasheet (PDF)

LM3646YFQR Schematic Symbol & PCB Footprint

The LM3646YFQR schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.