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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
L4981A STMicroelectronics
IC PFC CTR AV CUR...
3,870
In-stock
Inquiry
E-L4981A STMicroelectronics
IC PFC CTR AV CUR...
6,970
In-stock
Inquiry
E-L4981AD STMicroelectronics
IC PFC CTR AVER C...
4,180
In-stock
Inquiry
E-L6561 STMicroelectronics
IC PFC CTRLR TRAN...
6,020
In-stock
Inquiry
E-L6561D STMicroelectronics
IC PFC CTRLR TRAN...
2,580
In-stock
Inquiry
E-L6562D STMicroelectronics
IC PFC CTRLR TRAN...
1,840
In-stock
Inquiry
E-L6563 STMicroelectronics
IC PFC CTRLR TRAN...
1,530
In-stock
Inquiry
E-L6563TR STMicroelectronics
IC PFC CTRLR TRAN...
1,130
In-stock
Inquiry
L4981B STMicroelectronics
IC PFC CTR AV CUR...
7,050
In-stock
Inquiry
L6562AD STMicroelectronics
IC PFC CTRLR TRAN...
6,900
In-stock
Inquiry
L6562ATD STMicroelectronics
IC PFC CTRLR TRAN...
4,470
In-stock
Inquiry
VNL5090N3TR-E STMicroelectronics
IC PWR DRIVER N-C...
5,060
In-stock
Inquiry
STMPS2252MTR STMicroelectronics
IC PWR SWITCH 1:2 8...
7,720
In-stock
Inquiry
VNL5050N3TR-E STMicroelectronics
IC PWR DRIVER N-C...
1,090
In-stock
Inquiry
VNN7NV04PTR-E STMicroelectronics
IC PWR DRIVER N-C...
7,490
In-stock
Inquiry
VN5050JTR-E STMicroelectronics
IC PWR DRVR N-CHA...
5,020
In-stock
Inquiry
L6375STR STMicroelectronics
IC PWR DRIVER N-C...
5,050
In-stock
Inquiry
VNB35NV04TR-E STMicroelectronics
IC PWR DRIVER N-C...
1,170
In-stock
Inquiry
L9825TR STMicroelectronics
IC PWR DRIVER N-C...
4,010
In-stock
Inquiry
L9822EPD013TR STMicroelectronics
IC PWR DRIVER 1:8 P...
6,390
In-stock
Inquiry