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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
UC3842BVDR2G onsemi
IC REG CTRLR PWM ...
5,940
In-stock
Inquiry
UC3844BVDR2G onsemi
IC REG CTRLR PWM ...
4,290
In-stock
Inquiry
NCP1589BMNTXG onsemi
IC REG CTRLR BUCK...
6,290
In-stock
Inquiry
NCP1589AMNTXG onsemi
IC REG CTRLR BUCK...
1,560
In-stock
Inquiry
NCP1589DMNTWG onsemi
IC REG CTRLR BUCK...
1,940
In-stock
Inquiry
NCP1589CMNTWG onsemi
IC REG CTRLR BUCK...
4,250
In-stock
Inquiry
NCP1587EDR2G onsemi
IC REG CTRLR BUCK...
2,900
In-stock
Inquiry
NCV3020ADR2G onsemi
IC REG CTRLR BUCK...
4,580
In-stock
Inquiry
UC2842BDG onsemi
IC REG CTRLR PWM ...
3,250
In-stock
Inquiry
UC2843BDG onsemi
IC REG CTRLR FLYB...
3,460
In-stock
Inquiry
NCP81101MNTWG onsemi
IC REG BUCK CTLR ...
7,100
In-stock
Inquiry
NCP81101BMNTXG onsemi
IC REG BUCK CTLR ...
5,240
In-stock
Inquiry
NCP81101MNTXG onsemi
IC REG BUCK CTLR ...
3,930
In-stock
Inquiry
UC3844BVNG onsemi
IC REG CTRLR PWM ...
2,930
In-stock
Inquiry
NCV887701D1R2G onsemi
IC REG CTRLR BOOS...
6,490
In-stock
Inquiry
NCV887720D1R2G onsemi
IC REG CTRLR BOOS...
1,020
In-stock
Inquiry
CS45008DR14G onsemi
IC REG AUTODOWN 1...
4,370
In-stock
Inquiry
NCP81276MNTXG onsemi
IC SYNC BUCK CTLR...
6,560
In-stock
Inquiry
NCP81106MNTXG onsemi
IC REG BUCK CTLR ...
2,340
In-stock
Inquiry
NCP81174NMNTXG onsemi
IC REG CTLR SYNC ...
1,250
In-stock
Inquiry