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Buck controllers external switch — in-stock parts

As of August 13, 2026, 1BOM (ONE BOM LIMITED) has 329 Buck controllers external switch parts available for sale, 0 of which can ship within 7 days.

Part numberManufacturerPackageLead time
TPS51124RGER
TPS51124 Buck controllers external switch, 24-VQFN (RGE), Production
Texas Instruments24-VQFN (RGE)
TPS40305DRCR
TPS40305 Buck controllers external switch, 10-VSON (DRC), Production
Texas Instruments10-VSON (DRC)
TPS64202DBVR
TPS64202 Buck controllers external switch, 6-SOT-23 (DBV), Production
Texas Instruments6-SOT-23 (DBV)
LM3475MF/NOPB
LM3475 Buck controllers external switch, 5-SOT-23 (DBV), Production
Texas Instruments5-SOT-23 (DBV)
TPS51211DSCR
TPS51211 Buck controllers external switch, 10-WSON (DSC), Production
Texas Instruments10-WSON (DSC)
TPS51220RHBR
TPS51220 Buck controllers external switch, 32-VQFN (RHB), Production
Texas Instruments32-VQFN (RHB)
TPS64203DBVR
TPS64203 Buck controllers external switch, 6-SOT-23 (DBV), Production
Texas Instruments6-SOT-23 (DBV)
TPS51124RGERG4
TPS51124 Buck controllers external switch, 24-VQFN (RGE), 生产
Texas Instruments24-VQFN (RGE)
TPS51123RGER
TPS51123 Buck controllers external switch, 24-VQFN (RGE), Production
Texas Instruments24-VQFN (RGE)
TPS40195RGYR
TPS40195 Buck controllers external switch, 16-VQFN (RGY), Production
Texas Instruments16-VQFN (RGY)
TPS64201DBVRG4
TPS64201 Buck controllers external switch, 6-SOT-23 (DBV), 生产
Texas Instruments6-SOT-23 (DBV)
TPS64203DBVRG4
TPS64203 Buck controllers external switch, 6-SOT-23 (DBV), 生产
Texas Instruments6-SOT-23 (DBV)
TPS51217DSCR
TPS51217 Buck controllers external switch, 10-WSON (DSC), Production
Texas Instruments10-WSON (DSC)
TPS53661RSBR
TPS53661 Buck controllers external switch, 40-WQFN (RSB), Production
Texas Instruments40-WQFN (RSB)
LM2742MTCX/NOPB
LM2742 Buck controllers external switch, 14-TSSOP (PW), Production
Texas Instruments14-TSSOP (PW)
TPS40193DRCR
TPS40193 Buck controllers external switch, 10-VSON (DRC), Production
Texas Instruments10-VSON (DRC)
TPS64201DBVR
TPS64201 Buck controllers external switch, 6-SOT-23 (DBV), Production
Texas Instruments6-SOT-23 (DBV)
LM1771USD/NOPB
LM1771 Buck controllers external switch, 6-WSON (NGG), Production
Texas Instruments6-WSON (NGG)
TPS40305DRCT
TPS40305 Buck controllers external switch, 10-VSON (DRC), Production
Texas Instruments10-VSON (DRC)
TPS51631RSMR
TPS51631 Buck controllers external switch, 32-VQFN (RSM), Production
Texas Instruments32-VQFN (RSM)
TPS40195PWR
TPS40195 Buck controllers external switch, 16-TSSOP (PW), Production
Texas Instruments16-TSSOP (PW)
TPS51113DRCT
TPS51113 Buck controllers external switch, 10-VSON (DRC), Production
Texas Instruments10-VSON (DRC)
TPS51285ARUKT
TPS51285A Buck controllers external switch, 20-WQFN (RUK), Production
Texas Instruments20-WQFN (RUK)
TPS40100RGER
TPS40100 Buck controllers external switch, 24-VQFN (RGE), Production
Texas Instruments24-VQFN (RGE)
TPS53631RSBR
TPS53631 Buck controllers external switch, 40-WQFN (RSB), Production
Texas Instruments40-WQFN (RSB)
LM1770SMF/NOPB
LM1770 Buck controllers external switch, 5-SOT-23 (DBV), Production
Texas Instruments5-SOT-23 (DBV)
TPS40041DRBTG4
TPS40041 Buck controllers external switch, 8-SON (DRB), 生产
Texas Instruments8-SON (DRB)
LM1771TMM/NOPB
LM1771 Buck controllers external switch, 8-VSSOP (DGK), Production
Texas Instruments8-VSSOP (DGK)
TPS51631RSMT
TPS51631 Buck controllers external switch, 32-VQFN (RSM), Production
Texas Instruments32-VQFN (RSM)
LM1771UMM/NOPB
LM1771 Buck controllers external switch, 8-VSSOP (DGK), Production
Texas Instruments8-VSSOP (DGK)
TPS51123RGET
TPS51123 Buck controllers external switch, 24-VQFN (RGE), Production
Texas Instruments24-VQFN (RGE)
TPS51163DRCT
TPS51163 Buck controllers external switch, 10-VSON (DRC), Production
Texas Instruments10-VSON (DRC)
LM1771SSD/NOPB
LM1771 Buck controllers external switch, 6-WSON (NGG), Production
Texas Instruments6-WSON (NGG)
TPS64200DBVTG4
TPS64200 Buck controllers external switch, 6-SOT-23 (DBV), 生产
Texas Instruments6-SOT-23 (DBV)
TPS40041DRBT
TPS40041 Buck controllers external switch, 8-SON (DRB), Production
Texas Instruments8-SON (DRB)
TPS40195RGYTG4
TPS40195 Buck controllers external switch, 16-VQFN (RGY), 生产
Texas Instruments16-VQFN (RGY)
TPS51622RSMT
TPS51622 Buck controllers external switch, 32-VQFN (RSM), Production
Texas Instruments32-VQFN (RSM)
TPS40041DRBRG4
TPS40041 Buck controllers external switch, 8-SON (DRB), 生产
Texas Instruments8-SON (DRB)
TPS64200DBVT
TPS64200 Buck controllers external switch, 6-SOT-23 (DBV), Production
Texas Instruments6-SOT-23 (DBV)
TPS40197RGYT
TPS40197 Buck controllers external switch, 16-VQFN (RGY), Production
Texas Instruments16-VQFN (RGY)
TPS51631ARSMT
TPS51631A Buck controllers external switch, 32-VQFN (RSM), Production
Texas Instruments32-VQFN (RSM)
TPS40193DRCT
TPS40193 Buck controllers external switch, 10-VSON (DRC), Production
Texas Instruments10-VSON (DRC)
TPS40195RGYT
TPS40195 Buck controllers external switch, 16-VQFN (RGY), Production
Texas Instruments16-VQFN (RGY)
HPA00448PWP
TPS40060 Buck controllers external switch, 16-HTSSOP (PWP), 生产
Texas Instruments16-HTSSOP (PWP)
TPS40060PWPG4
TPS40060 Buck controllers external switch, 16-HTSSOP (PWP), 生产
Texas Instruments16-HTSSOP (PWP)
TPS51622ARSMT
TPS51622A Buck controllers external switch, 32-VQFN (RSM), Production
Texas Instruments32-VQFN (RSM)
TPS51513RHBT
TPS51513 Buck controllers external switch, 32-VQFN (RHB), Production
Texas Instruments32-VQFN (RHB)
TPS51632QRSMTQ1
TPS51632-Q1 Buck controllers external switch, 32-VQFN (RSM), Production
Texas Instruments32-VQFN (RSM)
TPS51610IRHBT
TPS51610 Buck controllers external switch, 32-VQFN (RHB), Production
Texas Instruments32-VQFN (RHB)
TPS51620RHAT
TPS51620 Buck controllers external switch, 40-VQFN (RHA), Production
Texas Instruments40-VQFN (RHA)

Manufacturers in this category

Quality process, mapped to industry standards

  1. Source verificationsupplier credentials, lot origin declaration, authorized-chain records (AS6081)
  2. Incoming visual inspectionmarkings, coplanarity, oxidation, refurbishment signs (IDEA-STD-1010-B)
  3. X-raydie, bond wires and voids compared with a golden sample (AS6171/4)
  4. Decap / solvent testsample decapsulation for die marking; acetone marking test (IDEA-STD-1010-B)
  5. Functional / electrical testkey parameters on bench or at a third-party lab (AS6171/6)
  6. Moisture & packagingMSL level, vacuum bag, desiccant, humidity indicator (JEDEC J-STD-020 / J-STD-033)
  7. Shipment reportinspection photos and report number with every lot (ISO 9001:2015)

What happens after you send an RFQ

  1. 1. First reply within 5 minutes during business hours
  2. 2. Quote with price, lead time, date code and Incoterm
  3. 3. Pay by T/T, PayPal, L/C or escrow
  4. 4. Inspection photos sent before shipping
  5. 5. 30-day quality guarantee and return policy

How to buy: payment terms, Incoterms and 30-day guarantee