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  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. DC-DC Converters
  6. LMQ644A2QRXARQ1
LMQ644A2QRXARQ1 - 1
LMQ644A2QRXARQ1 - 2
LMQ644A2QRXARQ1 - 3
Extended1/3
* Images are for reference only
LMQ644A2QRXARQ1
Attributes
Value
Manufacturer
Texas Instruments
MFR.Part #
LMQ644A2QRXARQ1
JLCPCB Part #
C22394339
Package
VQFN-24-EP(5x4)
Description
-40℃~+150℃@(TJ) 100kHz~2.2MHz 2 30uA 3V~36V 6A 800mV~20V Adjustable Buck Built-in Overcurrent Protection、Adjustable soft-start、Operating status indication、Frequency synchronization、Hiccup current limiting、Built-in LDO regulator、EMI optimization (spread spectrum) Step-down type Yes VQFN-24-EP(5x4) DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 3

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
PackageVQFN-24-EP(5x4)
Operating Temperature-40℃~+150℃@(TJ)
FunctionStep-down type
Synchronous RectifierYes
Frequency - Switching100kHz~2.2MHz
Output TypeAdjustable
Voltage - Supply3V~36V
Output Current6A
Quiescent Current30uA
FeaturesOvercurrent Protection、Adjustable soft-start、Operating status indication、Frequency synchronization、Hiccup current limiting、Built-in LDO regulator、EMI optimization (spread spectrum)
Switch tube (built-in/external)Built-in
TopologyBuck
Output Voltage800mV~20V
Number of Outputs2
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. DC-DC Converters
  6. LMQ644A2QRXARQ1
LMQ644A2QRXARQ1

* Images are for reference only

LMQ644A2QRXARQ1

Extended
Manufacturer

Texas Instruments

MFR.Part #
LMQ644A2QRXARQ1
JLCPCB Part #
C22394339
Package
VQFN-24-EP(5x4)
Description
-40℃~+150℃@(TJ) 100kHz~2.2MHz 2 30uA 3V~36V 6A 800mV~20V Adjustable Buck Built-in Overcurrent Protection、Adjustable soft-start、Operating status indication、Frequency synchronization、Hiccup current limiting、Built-in LDO regulator、EMI optimization (spread spectrum) Step-down type Yes VQFN-24-EP(5x4) DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 3

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

LMQ644A2QRXARQ1

* Images are for reference only

LMQ644A2QRXARQ1
Extended
Manufacturer

Texas Instruments

MFR.Part #
LMQ644A2QRXARQ1
JLCPCB Part #
C22394339
Package
VQFN-24-EP(5x4)
Description
-40℃~+150℃@(TJ) 100kHz~2.2MHz 2 30uA 3V~36V 6A 800mV~20V Adjustable Buck Built-in Overcurrent Protection、Adjustable soft-start、Operating status indication、Frequency synchronization、Hiccup current limiting、Built-in LDO regulator、EMI optimization (spread spectrum) Step-down type Yes VQFN-24-EP(5x4) DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 3

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

LMQ644A2QRXARQ1 Specifications

LMQ644A2QRXARQ1 technical specifications, attributes, and parameters.

AttributesValue
CategoryPower Management (PMIC)/DC-DC Converters
ManufacturerTexas Instruments
PackageVQFN-24-EP(5x4)
Operating Temperature-40℃~+150℃@(TJ)
FunctionStep-down type
Synchronous RectifierYes
Frequency - Switching100kHz~2.2MHz
Output TypeAdjustable
Voltage - Supply3V~36V
Output Current6A
Quiescent Current30uA
FeaturesOvercurrent Protection、Adjustable soft-start、Operating status indication、Frequency synchronization、Hiccup current limiting、Built-in LDO regulator、EMI optimization (spread spectrum)
Switch tube (built-in/external)Built-in
TopologyBuck
Output Voltage800mV~20V
Number of Outputs2
Results remaining: 0

PCB Assembly Tips

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  • 1

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  • 2

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  • 3

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LMQ644A2QRXARQ1 Documents

LMQ644A2QRXARQ1 datasheets or manufacturer documentation.

Datasheet: LMQ644A2QRXARQ1 Datasheet (PDF)

LMQ644A2QRXARQ1 Schematic Symbol & PCB Footprint

The LMQ644A2QRXARQ1 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.