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112132425

LM5149RGY

Texas InstrumentsExtended

-40℃~+150℃@(TJ) 1 100kHz~2.2MHz 3.5V~80V 800mV~55V 9.5uA Adjustable Buck External Overcurrent Protection、Light load efficient mode、Operating status indication、Cycle-by-cycle current limiting、Frequency synchronization、Hiccup current limiting、External compensation、Built-in LDO regulator、EMI optimization (spread spectrum) Step-down type Yes VQFN-24(3.5x5.5) DC-DC Converters ROHS

Part id
ti/LM5149RGY
Category
DC DC Converters
Package
VQFN-24(3.5x5.5)
Pins
25
In stock
6,023 at JLCPCB (C7528454)

Overview

The LM5149RGY is a DC DC Converter made by Texas Instruments in a VQFN-24(3.5x5.5) package with 25 pins. -40℃~+150℃@(TJ) 1 100kHz~2.2MHz 3.5V~80V 800mV~55V 9.5uA Adjustable Buck External Overcurrent Protection、Light load efficient mode、Operating status indication、Cycle-by-cycle current limiting、Frequency synchronization、Hiccup current limiting、External compensation、Built-in LDO regulator、EMI optimization (spread spectrum) Step-down type Yes VQFN-24(3.5x5.5) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM25149RGYR, from EasyEDA) and its footprint (EasyEDA_Cloud:VQFN-24_L5.5-W3.5-P0.50-BL-EP-2, from EasyEDA), ready for a KiCad board. 6,023 are in stock at JLCPCB (part C7528454).

Symbol

AVSS1INJ2CNFG3RT4EXTCOMP5FB6AGND7VDDA8VCC9PGND10LO11VIN12HO13SW14CBOOT15VCCX16PG/SYNCOUT17PFM/SYNC18EN19ISNS+20VOUT21AEFVDDA22SEN23REFAGND24EP25
EasyEDA_Cloud:LM25149RGYRFrom EasyEDA

Footprint

112132425
EasyEDA_Cloud:VQFN-24_L5.5-W3.5-P0.50-BL-EP-2From EasyEDA

Pinout

25
The pins of the LM5149RGY
PinNameType
1AVSSUnspecified
2INJUnspecified
3CNFGUnspecified
4RTUnspecified
5EXTCOMPUnspecified
6FBUnspecified
7AGNDUnspecified
8VDDAUnspecified
9VCCUnspecified
10PGNDUnspecified
11LOUnspecified
12VINUnspecified
13HOUnspecified
14SWUnspecified
15CBOOTUnspecified
16VCCXUnspecified
17PG/SYNCOUTUnspecified
18PFM/SYNCUnspecified
19ENUnspecified
20ISNS+Unspecified
21VOUTUnspecified
22AEFVDDAUnspecified
23SENUnspecified
24REFAGNDUnspecified
25EPUnspecified

Parts like it

4

Questions

Is there a KiCad symbol and footprint for the LM5149RGY?

Yes. The symbol is EasyEDA_Cloud:LM25149RGYR and the footprint EasyEDA_Cloud:VQFN-24_L5.5-W3.5-P0.50-BL-EP-2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM5149RGY?

VQFN-24(3.5x5.5), with 25 pins. Its footprint is drawn on this page.

Where is the LM5149RGY datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LM5149RGY?

JLCPCB lists it as part C7528454, with 6,023 in stock; the sellers' links on this page open their listings.

What can replace the LM5149RGY?

Parts like it in the library: the LM5148RGY by Texas Instruments, the LM25149RGY by Texas Instruments, the LM25148QRGYRQ1 by Texas Instruments and the TPS54122RHLT by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.