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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
UCC39411DG4 Texas Instruments
IC REG BOOST ADJ ...
3,820
In-stock
Inquiry
UCC39412DG4 Texas Instruments
IC REG BOOST 3.3V 6...
6,720
In-stock
Inquiry
UCC39412PWTR Texas Instruments
IC REG BOOST 3.3V 6...
7,120
In-stock
Inquiry
UCC39413DG4 Texas Instruments
IC REG BOOST 5V 60M...
7,480
In-stock
Inquiry
TPS62000QDGSRQ1 Texas Instruments
IC REG BUCK ADJ 60...
6,470
In-stock
Inquiry
TPS62600YFFT Texas Instruments
IC REG BUCK 1.83V 50...
2,460
In-stock
Inquiry
LM2734ZQMK/NOPB Texas Instruments
IC REG BUCK ADJ 1A...
5,400
In-stock
Inquiry
LM2734ZQMKX/NOPB Texas Instruments
IC REG BUCK ADJ 1A...
4,600
In-stock
Inquiry
TPS54380QPWPRQ1 Texas Instruments
IC REG BUCK ADJ 3A...
4,550
In-stock
Inquiry
LM3370SD-3621/NOPB Texas Instruments
IC REG BUCK 1.5V/3.3...
7,830
In-stock
Inquiry
LM3218SEE/NOPB Texas Instruments
IC REG BUCK ADJ 65...
4,120
In-stock
Inquiry
LM3677TL-1.875/NOPB Texas Instruments
IC REG BUCK 1.875V 6...
3,120
In-stock
Inquiry
LM3679UR-1.5/NOPB Texas Instruments
IC REG BUCK 1.5V 350...
2,220
In-stock
Inquiry
LM2833ZSDX/NOPB Texas Instruments
IC REG BUCK ADJUS...
7,740
In-stock
Inquiry
LM2735YQMFX/NOPB Texas Instruments
IC REG MULT CONFG...
3,080
In-stock
Inquiry
LM2833XMYX/NOPB Texas Instruments
IC REG BUCK ADJUS...
3,040
In-stock
Inquiry
LM2833XSDX/NOPB Texas Instruments
IC REG BUCK ADJUS...
6,980
In-stock
Inquiry
LM3218SEX/NOPB Texas Instruments
IC REG BUCK ADJ 65...
3,800
In-stock
Inquiry
LM3677LE-1.82/NOPB Texas Instruments
IC REG BUCK 1.82V 60...
4,080
In-stock
Inquiry
LM3677LEX-1.82/NOPB Texas Instruments
IC REG BUCK 1.82V 60...
7,970
In-stock
Inquiry