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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
LM3671TL-1.875/NOPB National Semiconductor
SWITCHING REGULA...
5,720
In-stock
Inquiry
LM3673TLX-ADJ/NOPB National Semiconductor
LM3673 2MHZ, 350MA ST...
5,010
In-stock
Inquiry
LM2576HVSX-3.3 National Semiconductor
SWITCHING REGULA...
6,630
In-stock
Inquiry
LM2595SX-3.3/NOPB National Semiconductor
LM2595 SIMPLE SWIT...
5,240
In-stock
Inquiry
LM2678SX-ADJ/NOPB National Semiconductor
LM2678 8V TO 40V, 5A S...
2,530
In-stock
Inquiry
LM2671M-12 National Semiconductor
SWITCHING REGULA...
3,680
In-stock
Inquiry
LM25010SD/NOPB National Semiconductor
LM25010 6-42V WIDE VI...
1,620
In-stock
Inquiry
LM5010AQ1MH/NOPB National Semiconductor
LM5010A-Q1 AUTOMOTI...
7,890
In-stock
Inquiry
LM2675M-5.0/NOPB National Semiconductor
LM2675 SIMPLE SWIT...
3,420
In-stock
Inquiry
LM2679T-12/NOPB National Semiconductor
LM2679 SIMPLE SWIT...
3,210
In-stock
Inquiry
LM2679SD-3.3 National Semiconductor
SWITCHING REGULA...
2,800
In-stock
Inquiry
LM2678T-5.0 National Semiconductor
LM2678 8V TO 40V, 5A S...
7,750
In-stock
Inquiry
LM25007SDX/NOPB National Semiconductor
LM25007 9-42V WIDE VI...
3,450
In-stock
Inquiry
LM2696MXA National Semiconductor
LM2696 3A, CONSTANT...
1,410
In-stock
Inquiry
LM2585S-12 National Semiconductor
LM2585 4V TO 40V, 3A S...
4,140
In-stock
Inquiry
LM34910SD National Semiconductor
SWITCHING REGULA...
4,190
In-stock
Inquiry
LM5008ASD/NOPB National Semiconductor
LM5008A 6-95V WIDE VI...
5,990
In-stock
Inquiry
LM22674MRX-ADJ/NOPB National Semiconductor
LM22674 4.5V TO 42V, 500...
6,370
In-stock
Inquiry
LM2852YMXA-1.0/NOPB National Semiconductor
LM2852 2A 500/1500KHZ S...
1,760
In-stock
Inquiry
LM2733XMFX/NOPB National Semiconductor
LM2733 0.6/1.6 MHZ BOO...
6,390
In-stock
Inquiry