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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
UCC28C45DR Texas Instruments
IC REG CTRLR MULT...
7,160
In-stock
Inquiry
UCC28C45QDRQ1 Texas Instruments
AUTOMOTIVE BICMO...
1,090
In-stock
Inquiry
LM51561HPWPR Texas Instruments
2.2 MHZ WIDE INPUT...
4,000
In-stock
Inquiry
LM5156DSSR Texas Instruments
2.2-MHZ WIDE VIN NO...
1,710
In-stock
Inquiry
UCC2800DTR Texas Instruments
IC REG CTRLR MULT...
6,760
In-stock
Inquiry
UCC3800DTR Texas Instruments
IC REG CTRLR MULT...
4,090
In-stock
Inquiry
LM3481QMM/NOPB Texas Instruments
IC REG CTRLR MULT...
6,160
In-stock
Inquiry
LM3481MMX/NOPB Texas Instruments
IC REG CTRLR MULT...
3,510
In-stock
Inquiry
TPS53219ARGTT Texas Instruments
IC REG CTRLR BUCK...
5,110
In-stock
Inquiry
UCC2897APWR Texas Instruments
IC REG CTRLR MULT...
7,020
In-stock
Inquiry
TPS43060RTER Texas Instruments
IC REG CTRLR BOOS...
4,770
In-stock
Inquiry
LM5085MY/NOPB Texas Instruments
IC REG CTRLR BUCK...
1,770
In-stock
Inquiry
UC3526ADWTR Texas Instruments
IC REG CTRLR MULT...
7,580
In-stock
Inquiry
LM3478MM/NOPB Texas Instruments
IC REG CTRLR MULT...
3,580
In-stock
Inquiry
LM25148RGYR Texas Instruments
42-V SYNCHRONOUS B...
1,170
In-stock
Inquiry
LM5022MM/NOPB Texas Instruments
IC REG CTRLR BOOS...
1,120
In-stock
Inquiry
LM3488QMM/NOPB Texas Instruments
IC REG CTRLR MULT...
1,100
In-stock
Inquiry
LM25088MHX-2/NOPB Texas Instruments
IC REG CTRLR BUCK...
1,130
In-stock
Inquiry
LM51551QDSSTQ1 Texas Instruments
POWER MANAGEMENT
2,500
In-stock
Inquiry
TPS40075RHLR Texas Instruments
IC REG CTRLR BUCK...
6,840
In-stock
Inquiry