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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
LM25005MH/NOPB Texas Instruments
IC REG BUCK ADJ 2....
1,340
In-stock
Inquiry
TPS54615PWP Texas Instruments
IC REG BUCK 2.5V 6A...
2,690
In-stock
Inquiry
LM2673SD-ADJ/NOPB Texas Instruments
IC REG BUCK ADJUS...
1,400
In-stock
Inquiry
LM2651MTC-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 1....
1,870
In-stock
Inquiry
TPS53915RVER Texas Instruments
IC REG BUCK ADJ 12...
3,670
In-stock
Inquiry
LM2576S-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 3A...
5,590
In-stock
Inquiry
LM2575S-12/NOPB Texas Instruments
IC REG BUCK 12V 1A ...
5,690
In-stock
Inquiry
LM26420XMH/NOPB Texas Instruments
IC REG BUCK ADJ 2A...
4,850
In-stock
Inquiry
LM2852YMXA-1.2/NOPB Texas Instruments
IC REG BUCK 1.2V 2A...
3,500
In-stock
Inquiry
LM25575MH/NOPB Texas Instruments
IC REG BUCK ADJ 1....
1,330
In-stock
Inquiry
LM2673T-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
7,480
In-stock
Inquiry
LM2672N-5.0/NOPB Texas Instruments
IC REG BUCK 5V 1A 8...
1,200
In-stock
Inquiry
LM2675N-12/NOPB Texas Instruments
IC REG BUCK 12V 1A ...
6,220
In-stock
Inquiry
LM5574QMT/NOPB Texas Instruments
IC REG BUCK ADJ 50...
7,170
In-stock
Inquiry
LM2650MX-ADJ/NOPB Texas Instruments
IC REG BUCK ADJUS...
3,960
In-stock
Inquiry
LM2595S-12/NOPB Texas Instruments
IC REG BUCK 12V 1A ...
4,310
In-stock
Inquiry
LM2595S-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 1A...
1,670
In-stock
Inquiry
LM2853MH-1.0/NOPB Texas Instruments
IC REG BUCK 1V 3A 1...
1,130
In-stock
Inquiry
LM5010AQ0MH/NOPB Texas Instruments
IC REG BUCK ADJ 1A...
6,470
In-stock
Inquiry
LM20333MH/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
1,370
In-stock
Inquiry