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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
LM2577T-12 National Semiconductor
SWITCHING REGULA...
7,960
In-stock
Inquiry
LM2678S-ADJ/NOPB National Semiconductor
LM2678 8V TO 40V, 5A S...
3,820
In-stock
Inquiry
LM22676MRX-ADJ/NOPB National Semiconductor
LM22676 SIMPLE SWIT...
2,290
In-stock
Inquiry
LM2594MX-ADJ/NOPB National Semiconductor
LM2594 SIMPLE SWIT...
3,890
In-stock
Inquiry
LM2595S-5.0/NOPB National Semiconductor
LM2595 SIMPLE SWIT...
1,880
In-stock
Inquiry
LM3670MFX-ADJ/NOPB National Semiconductor
LM3670 MINIATURE S...
6,400
In-stock
Inquiry
LM2592HVS-ADJ National Semiconductor
LM2592HV SIMPLE SW...
1,600
In-stock
Inquiry
LM25011MYX/NOPB National Semiconductor
LM25011 6-42V WIDE VI...
1,820
In-stock
Inquiry
LM22676MR-ADJ/NOPB National Semiconductor
LM22676 SIMPLE SWIT...
3,290
In-stock
Inquiry
LM25019MR/NOPB National Semiconductor
LM25019 7.5-48V WIDE V...
4,140
In-stock
Inquiry
LM2674LDX-5.0/NOPB National Semiconductor
LM2674 SIMPLE SWIT...
3,020
In-stock
Inquiry
LM2675M-ADJ/NOPB National Semiconductor
LM2675 SIMPLE SWIT...
6,370
In-stock
Inquiry
LM22678TJE-5.0/NOPB National Semiconductor
LM22678 SIMPLE SWIT...
7,820
In-stock
Inquiry
LM2592HVS-5.0 National Semiconductor
SWITCHING REGULA...
4,970
In-stock
Inquiry
LM2676SX-5.0/NOPB National Semiconductor
LM2676 SIMPLE SWIT...
5,170
In-stock
Inquiry
LM27313XMFX/NOPB National Semiconductor
LM27313 1.6 MHZ BOOST...
1,790
In-stock
Inquiry
LM2575T-15 National Semiconductor
LM2575-N SIMPLE SWI...
3,950
In-stock
Inquiry
LM3102QMH/NOPB National Semiconductor
LM3102-Q1 SYNCHRONO...
6,410
In-stock
Inquiry
LM2676S-5.0/NOPB National Semiconductor
LM2676 SIMPLE SWIT...
5,730
In-stock
Inquiry
LM5002SDX/NOPB National Semiconductor
LM5002 3.1-75V WIDE VI...
5,100
In-stock
Inquiry