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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
LM21305SQE/NOPB Texas Instruments
LM21305 3-18V, 5A, CURR...
3,660
In-stock
Inquiry
LM2672LD-ADJ/NOPB Texas Instruments
LM2672 SIMPLE SWIT...
5,190
In-stock
Inquiry
LM3691TL-0.75/NOPB Texas Instruments
LM3691 HIGH ACCURA...
1,200
In-stock
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LM2672N-12/NOPB Texas Instruments
LM2672 SIMPLE SWIT...
3,140
In-stock
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LM27342QMYX/NOPB Texas Instruments
LM27342-Q1 2A - WIDE I...
7,880
In-stock
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LM20144QMHX/NOPB Texas Instruments
LM20144-Q1 AUTOMOTI...
2,370
In-stock
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LM2676S-3.3 Texas Instruments
LM2676 SIMPLE SWIT...
7,060
In-stock
Inquiry
LM2597M-3.3/NOPB Texas Instruments
LM2597 SIMPLE SWIT...
6,210
In-stock
Inquiry
LM22671QMR-ADJ/NOPB Texas Instruments
LM22671-Q1 500MA SIMP...
6,350
In-stock
Inquiry
LM2750LD-ADJ/NOPB Texas Instruments
LM2750 LOW-NOISE SW...
1,090
In-stock
Inquiry
LM3676SD-1.8/NOPB Texas Instruments
LM3676 2MHZ, 600MA ST...
4,380
In-stock
Inquiry
LM3677TL-1.8/NOPB Texas Instruments
LM3677 3MHZ, 600MA MI...
3,640
In-stock
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LM2830ZSD/NOPB Texas Instruments
LM2830 HIGH FREQUE...
6,950
In-stock
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LM20143QMH/NOPB Texas Instruments
LM20143-Q1 AUTOMOTI...
2,750
In-stock
Inquiry
TPS62650TYFFRQ1 Texas Instruments
TPS62650-Q1 - AUTOMO...
1,920
In-stock
Inquiry
LM22673QMR-ADJ/NOPB Texas Instruments
LM22673QMR-ADJ - STE...
1,070
In-stock
Inquiry
LM2578AN/NOPB Texas Instruments
LM2578A SWITCHING ...
2,750
In-stock
Inquiry
TPS55162QPWPTQ1 Texas Instruments
TPS55162-Q1 - 3.6V TO 3...
2,980
In-stock
Inquiry
LMR14050SQDDAQ1 Texas Instruments
LMR14050 - SIMPLE SW...
4,390
In-stock
Inquiry
LM43603AQPWPRQ1 Texas Instruments
LM43603-Q1 AUTOMOTI...
3,950
In-stock
Inquiry