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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
LM2621MMX/NOPB Texas Instruments
IC REG BST SEPIC ...
3,020
In-stock
Inquiry
TPS62090RGTR Texas Instruments
IC REG BUCK ADJUS...
6,720
In-stock
Inquiry
UCC3941DTR-3 Texas Instruments
IC REG BST SYNC 3....
7,600
In-stock
Inquiry
LM2655MTCX-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 2....
7,840
In-stock
Inquiry
LM2736YMK/NOPB Texas Instruments
IC REG BUCK ADJ 75...
2,420
In-stock
Inquiry
LM2830XQMF/NOPB Texas Instruments
IC REG BUCK ADJ 1A...
7,480
In-stock
Inquiry
TPS54334DRCR Texas Instruments
IC REG BUCK ADJUS...
2,380
In-stock
Inquiry
LM3668QDNTRQ1 Texas Instruments
IC REG BCK BST PR...
2,780
In-stock
Inquiry
TPS6286920CRQYR Texas Instruments
5.5-V 6-A SYNCHRONO...
2,820
In-stock
Inquiry
TPS630250YFFR Texas Instruments
IC REG BCK BST AD...
2,740
In-stock
Inquiry
LMR36006FSC3RNXTQ1 Texas Instruments
IC REG BUCK 3.3V 600...
6,970
In-stock
Inquiry
TPS40222DRPT Texas Instruments
IC REG BUCK ADJ 1....
5,600
In-stock
Inquiry
TPS54295PWPR Texas Instruments
IC REG BUCK ADJ 2A...
6,400
In-stock
Inquiry
TPS53316RGTR Texas Instruments
IC REG BUCK ADJUS...
3,960
In-stock
Inquiry
TPS61029QDRCRQ1 Texas Instruments
IC REG BOOST ADJ ...
5,700
In-stock
Inquiry
TPS542951RSAR Texas Instruments
IC REG BUCK ADJ 2A...
2,020
In-stock
Inquiry
LM2735XSD/NOPB Texas Instruments
IC REG MULT CONFG...
7,480
In-stock
Inquiry
LMR70503TM/NOPB Texas Instruments
IC REG BCK BST AD...
1,540
In-stock
Inquiry
TPS63811YFFR Texas Instruments
2.5-A BUCK-BOOST CO...
1,190
In-stock
Inquiry
TPS53316RGTT Texas Instruments
IC REG BUCK ADJUS...
6,310
In-stock
Inquiry