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Power Management (PMIC)

Power Management Pmic covers the ICs that turn a raw rail into something a board can actually use: buck and boost converters, LDO regulators, battery chargers, load switches, supervisors, hot-swap controllers, gate drivers, and multi-rail PMICs for processors. They show up in phones and routers, but also in PLCs, motor drives, servers, patient monitors, meters, and vehicle modules where the supply has to behave through load dumps, brownouts, and long idle periods. When buyers source this category, the part number is only the start. They check input range, output current with real thermal margin, quiescent current, efficiency at light load, switching frequency for EMI, feedback tolerance, package and exposed pad, pin-compatible alternates, temperature grade, and whether the reel is original factory packaging. A common trade-off is price versus risk: a broker lot can save money on paper, but mixed date codes or missing traceability can stop a line during audit, while an authorized or well-documented channel may cost more and still be the cheaper decision. Lead time matters too. Automotive and industrial grades often carry allocation or longer NCNR terms, so a commercial-temp substitute is tempting until qualification, reliability data, and end-customer approval enter the discussion. For multi-rail parts, read the sequencing, NVM defaults, and errata before committing, because a PMIC that boots a demo board can still misbehave with your SoC and firmware. You can check current stock and request a quote at icxing.com.

Frequently Asked Questions

How do I lower counterfeit risk when buying Power Management Pmic parts?

Ask for traceability to the original manufacturer or authorized channel, plus photos of labels, reels, and date codes before payment. For high-value runs, require X-ray or decapsulation support and a written counterfeit avoidance process. If the seller cannot explain lot history, treat the price as a warning sign.

What should I confirm before substituting a different package or grade?

Match the footprint, pinout, thermal pad size, and height, then confirm temperature grade and moisture sensitivity level. A QFN with the same pin count can still have a different pad pitch, and automotive grade usually changes qualification paperwork rather than basic electrical limits.

Why do PMIC quotes vary so much on lead time and price?

Multi-rail PMICs are often built to order and can be tied to allocation, EOL transitions, or a specific processor design win. Tolerance, temperature range, and reel quantity also move price, so compare the exact suffix, date code window, and NCNR terms instead of the headline number.

Image Part Manufacturer Description Stock Action
UCC2897RTJR Texas Instruments
IC REG CTRLR MULT...
5,680
In-stock
Inquiry
TPS40091PWR Texas Instruments
IC REG CTRLR BUCK...
4,330
In-stock
Inquiry
TL1454ACNSR Texas Instruments
IC REG CTRLR BUCK...
3,650
In-stock
Inquiry
LM5088QMHX-2/NOPB Texas Instruments
IC REG CTRLR BUCK...
4,250
In-stock
Inquiry
LM5642MHX/NOPB Texas Instruments
IC REG CTRLR BUCK...
4,050
In-stock
Inquiry
UCC28086D Texas Instruments
IC REG CTRLR MULT...
5,500
In-stock
Inquiry
TPPM0115DR Texas Instruments
IC REG CTRLR BUCK...
1,050
In-stock
Inquiry
UCC25705PG4 Texas Instruments
IC REG CTRLR MULT...
1,750
In-stock
Inquiry
UCC2807DTR-3 Texas Instruments
IC REG CTRLR MULT...
7,130
In-stock
Inquiry
LM2647LQ/NOPB Texas Instruments
IC REG CTRLR BUCK...
2,700
In-stock
Inquiry
LM2647MTCX/NOPB Texas Instruments
IC REG CTRLR BUCK...
1,790
In-stock
Inquiry
TPS40050PWPR Texas Instruments
IC REG CTRLR BUCK...
6,840
In-stock
Inquiry
TPS40051PWPR Texas Instruments
IC REG CTRLR BUCK...
6,840
In-stock
Inquiry
TPS40053PWPR Texas Instruments
IC REG CTRLR BUCK...
5,690
In-stock
Inquiry
LM5122ZPWPR Texas Instruments
WIDE INPUT RANGE...
6,940
In-stock
Inquiry
LM5122ZAPWPR Texas Instruments
IC POWER REGULAT...
2,610
In-stock
Inquiry
LM2743MTC Texas Instruments
IC REG CTRLR BUCK...
7,470
In-stock
Inquiry
UCC28220PWR Texas Instruments
IC REG CTRLR MULT...
5,030
In-stock
Inquiry
UCC3580DTR-3 Texas Instruments
IC REG CTRLR FWRD...
1,750
In-stock
Inquiry
UCC3580DTR-1 Texas Instruments
IC REG CTRLR FWRD...
6,680
In-stock
Inquiry