CouponsAPP Download
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
WindowsMACAndroidIOS
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

WindowsMAC
AndroidIOS

CONNECT WITH US

© 2026 JLCPCB.COM All Rights Reserved.Privacy PolicyTerms & ConditionsCookies Policy
  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. DC-DC Converters
  6. LMQ66420MA3RXBRQ1
LMQ66420MA3RXBRQ1 - 1
LMQ66420MA3RXBRQ1 - 2
LMQ66420MA3RXBRQ1 - 3
Extended1/3
* Images are for reference only

LMQ66420MA3RXBRQ1

Attributes
Value
Manufacturer
Texas Instruments
MFR.Part #
LMQ66420MA3RXBRQ1
JLCPCB Part #
C29779878
Package
QFN-14(2.6x2.6)
Description
-40℃~+125℃@(TA) 1.5uA 1V~18V 2A 3V~36V 400kHz Adjustable Buck Buck Built-in Yes QFN-14(2.6x2.6) DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

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

AttributesValue
CategoryPower Management (PMIC)/DC-DC Converters
ManufacturerTexas Instruments
PackageQFN-14(2.6x2.6)
Operating Temperature-40℃~+125℃@(TA)
FunctionBuck
Synchronous RectifierYes
Frequency - Switching400kHz
Output TypeAdjustable
Voltage - Supply3V~36V
Output Current2A
Quiescent Current1.5uA
Switch tube (built-in/external)Built-in
TopologyBuck
Output Voltage1V~18V
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. DC-DC Converters
  6. LMQ66420MA3RXBRQ1
LMQ66420MA3RXBRQ1

* Images are for reference only

LMQ66420MA3RXBRQ1

Extended
Manufacturer

Texas Instruments

MFR.Part #
LMQ66420MA3RXBRQ1
JLCPCB Part #
C29779878
Package
QFN-14(2.6x2.6)
Description
-40℃~+125℃@(TA) 1.5uA 1V~18V 2A 3V~36V 400kHz Adjustable Buck Buck Built-in Yes QFN-14(2.6x2.6) DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

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

LMQ66420MA3RXBRQ1

* Images are for reference only

LMQ66420MA3RXBRQ1

Extended
Manufacturer

Texas Instruments

MFR.Part #
LMQ66420MA3RXBRQ1
JLCPCB Part #
C29779878
Package
QFN-14(2.6x2.6)
Description
-40℃~+125℃@(TA) 1.5uA 1V~18V 2A 3V~36V 400kHz Adjustable Buck Buck Built-in Yes QFN-14(2.6x2.6) DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

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

LMQ66420MA3RXBRQ1 Specifications

LMQ66420MA3RXBRQ1 technical specifications, attributes, and parameters.

AttributesValue
CategoryPower Management (PMIC)/DC-DC Converters
ManufacturerTexas Instruments
PackageQFN-14(2.6x2.6)
Operating Temperature-40℃~+125℃@(TA)
FunctionBuck
Synchronous RectifierYes
Frequency - Switching400kHz
Output TypeAdjustable
Voltage - Supply3V~36V
Output Current2A
Quiescent Current1.5uA
Switch tube (built-in/external)Built-in
TopologyBuck
Output Voltage1V~18V
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the LMQ66420MA3RXBRQ1. 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

LMQ66420MA3RXBRQ1 Schematic Symbol & PCB Footprint

The LMQ66420MA3RXBRQ1 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.