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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
LM2931AZ5X onsemi
IC REG LINEAR 5V 1...
2,890
In-stock
Inquiry
KA76L05ZTA onsemi
IC REG LINEAR 5V 1...
4,390
In-stock
Inquiry
LM2931AZ5 onsemi
IC REG LINEAR 5V 1...
5,290
In-stock
Inquiry
KA76L05ZTF onsemi
IC REG LINEAR 5V 1...
5,280
In-stock
Inquiry
LM317LZ onsemi
IC REG LIN POS AD...
2,530
In-stock
Inquiry
LM317LZXA onsemi
IC REG LIN POS AD...
2,810
In-stock
Inquiry
KA79L05AD onsemi
IC REG LINEAR -5V ...
5,460
In-stock
Inquiry
KA78L08ADTF onsemi
IC REG LINEAR 8V 1...
3,890
In-stock
Inquiry
KA78L12AD onsemi
IC REG LINEAR 12V ...
2,050
In-stock
Inquiry
KA78L05AD onsemi
IC REG LINEAR 5V 1...
4,610
In-stock
Inquiry
MC7810ECTBU onsemi
IC REG LINEAR 10V ...
1,880
In-stock
Inquiry
KA7805AE onsemi
IC REG LINEAR 5V 1...
1,590
In-stock
Inquiry
KA7812ETSTU onsemi
IC REG LINEAR 12V ...
1,330
In-stock
Inquiry
MC7812AECTBU onsemi
IC REG LINEAR 12V ...
7,860
In-stock
Inquiry
MC7805ECT onsemi
IC REG LINEAR 5V 1...
6,300
In-stock
Inquiry
MC7806AECT onsemi
IC REG LINEAR 6V 1...
6,960
In-stock
Inquiry
MC7805ECTBU onsemi
IC REG LINEAR 5V 1...
7,880
In-stock
Inquiry
MC7808AECT onsemi
IC REG LINEAR 8V 1...
3,540
In-stock
Inquiry
MC78L05ACD onsemi
IC REG LINEAR 5V 1...
7,040
In-stock
Inquiry
KA7818ETU onsemi
IC REG LINEAR 18V ...
2,610
In-stock
Inquiry