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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.

14,872 Records
Image Part Manufacturer Description Stock Action
NCP4687DSN28T1G onsemi
NCP4687 - LINEAR VO...
2,610
In-stock
Inquiry
NCV8154MN300300TBG onsemi
LDO REGULATOR, 300...
3,900
In-stock
Inquiry
KA317MRTM onsemi
ADJUSTABLE POSIT...
5,440
In-stock
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L78LR05EL-TL-E onsemi
LINEAR REGULATOR
1,670
In-stock
Inquiry
FAN2503S33X onsemi
CMOS LOW DROPOUT...
2,520
In-stock
Inquiry
KA78M05TU onsemi
FIXED POSITIVE S...
4,870
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Inquiry
KA79M05TU onsemi
FIXED NEGATIVE S...
1,810
In-stock
Inquiry
FAN2558MP12X onsemi
FIXED POSITIVE L...
6,760
In-stock
Inquiry
NCP4640H033T1G onsemi
NCP4640 - LINEAR VO...
3,020
In-stock
Inquiry
LM7815CT onsemi
LM7815 - 1.5A, WIDE VI...
2,530
In-stock
Inquiry
CS5253B-1GDPR5G onsemi
ADJUSTABLE POSIT...
1,230
In-stock
Inquiry
L78MS05JSMP-A-DLM-E onsemi
L78MS05 - POWER MAN...
1,750
In-stock
Inquiry
LM7912CT onsemi
LM79 3-TERMINAL, 1.5...
4,830
In-stock
Inquiry
LM7905CT onsemi
LM79 3-TERMINAL, 1.5...
5,500
In-stock
Inquiry
NCP114ASN330T1G onsemi
IC REG LINEAR 3.3V...
2,360
In-stock
Inquiry
MC78L05ABDR2G onsemi
IC REG LINEAR 5V 1...
4,720
In-stock
Inquiry
MC78L05ACDR2G onsemi
IC REG LINEAR 5V 1...
7,930
In-stock
Inquiry
LM317LDR2G onsemi
IC REG LIN POS AD...
1,350
In-stock
Inquiry
LM317LBDR2G onsemi
IC REG LIN POS AD...
2,970
In-stock
Inquiry
NCP186AMX330TAG onsemi
IC REG LINEAR 3.3V...
2,580
In-stock
Inquiry