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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
LM5115MTC/MEY8 National Semiconductor
75V, SECONDARY SID...
7,240
In-stock
Inquiry
UA79MGHMQB National Semiconductor
ADJUSTABLE NEGAT...
4,460
In-stock
Inquiry
LM1575K-15QML National Semiconductor
SWITCHING REG, VO...
5,640
In-stock
Inquiry
LP2980AITPX-157 National Semiconductor
FIXED POSITIVE L...
4,160
In-stock
Inquiry
LP2980AITP-157 National Semiconductor
FIXED POSITIVE L...
5,640
In-stock
Inquiry
LP3985ITLX-3.3 National Semiconductor
FIXED POSITIVE L...
7,350
In-stock
Inquiry
LP3988ITL-2.6 National Semiconductor
FIXED POSITIVE L...
1,120
In-stock
Inquiry
LP3995ITL-1.5 National Semiconductor
FIXED POSITIVE S...
5,440
In-stock
Inquiry
LM78L12ACZ/T1 National Semiconductor
3-TERMINAL POSITI...
3,480
In-stock
Inquiry
LP2950CZ-5.0/J7000781 National Semiconductor
FIXED POSITIVE L...
5,940
In-stock
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LP2985AIM-3.6/NOPB National Semiconductor
MICROPOWER 150MA L...
1,120
In-stock
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LP5996SD-1018 National Semiconductor
FIXED POSITIVE L...
2,660
In-stock
Inquiry
LP3986TL-2818 National Semiconductor
FIXED POSITIVE L...
5,070
In-stock
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LM2937ESX-8.0/S5000508 National Semiconductor
FIXED POSITIVE L...
6,810
In-stock
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LM2930T-8.0/GLEA116 National Semiconductor
3-TERMINAL POSITI...
2,200
In-stock
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LMS1587CSX-1.5/J7001775 National Semiconductor
FIXED POSITIVE L...
6,030
In-stock
Inquiry
LM3203TLX/J7002328 National Semiconductor
0.94A, 2000KHZ PBGA10
5,470
In-stock
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L1087MP-2.85 National Semiconductor
0.8A FIXED AND ADJ...
1,260
In-stock
Inquiry
L1087MPX-3.3/NOPB National Semiconductor
0.8A FIXED AND ADJ...
2,890
In-stock
Inquiry
L1087MP-ADJ/NOPB National Semiconductor
0.8A FIXED AND ADJ...
2,670
In-stock
Inquiry