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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
LM2651MTC-ADJ Texas Instruments
IC REG BUCK ADJ 1....
4,830
In-stock
Inquiry
LM2678T-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 5A...
4,360
In-stock
Inquiry
LM3102TL-1/NOPB Texas Instruments
IC REG BUCK ADJ 2....
2,530
In-stock
Inquiry
TPS54311PWP Texas Instruments
IC REG BUCK 0.9V 3A...
5,260
In-stock
Inquiry
LM43602QPWPTQ1 Texas Instruments
IC REG BUCK ADJ 2A...
7,420
In-stock
Inquiry
LM2700MT-ADJ Texas Instruments
IC REG BOOST ADJ ...
6,300
In-stock
Inquiry
LM22673QMRE-5.0/NOPB Texas Instruments
IC REG BUCK 5V 3A 8...
3,960
In-stock
Inquiry
LM22673QTJE-5.0/NOPB Texas Instruments
IC REG BUCK 5V 3A T...
6,580
In-stock
Inquiry
LM22673QTJE-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
6,000
In-stock
Inquiry
LM2677SD-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 5A...
2,290
In-stock
Inquiry
LM5574Q0MT/NOPB Texas Instruments
IC REG BUCK ADJ 50...
1,280
In-stock
Inquiry
LM2590HVS-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 1A...
3,840
In-stock
Inquiry
LM2671M-5.0 Texas Instruments
IC REG BUCK 5V 500M...
5,920
In-stock
Inquiry
LM2575S-3.3 Texas Instruments
IC REG BUCK 3.3V 1A...
4,060
In-stock
Inquiry
LM2575S-ADJ Texas Instruments
IC REG BUCK ADJ 1A...
1,610
In-stock
Inquiry
LM21215MHX/NOPB Texas Instruments
IC REG BUCK ADJ 15...
2,650
In-stock
Inquiry
TPS54373PWP Texas Instruments
IC REG BUCK ADJ 3A...
1,610
In-stock
Inquiry
LM25575QMH/NOPB Texas Instruments
IC REG BUCK ADJ 1....
7,870
In-stock
Inquiry
LM2574HVM-15 Texas Instruments
IC REG BUCK 15V 500M...
3,940
In-stock
Inquiry
LM2574HVM-5.0 Texas Instruments
IC REG BUCK 5V 500M...
5,230
In-stock
Inquiry