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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
UC3843BVD1G onsemi
IC REG CTRLR FLYB...
6,260
In-stock
Inquiry
UC3844BD1R2 onsemi
IC REG CTRLR PWM ...
2,810
In-stock
Inquiry
UC3844BDG onsemi
IC REG CTRLR PWM ...
1,300
In-stock
Inquiry
UC3844BDR2 onsemi
IC REG CTRLR PWM ...
4,040
In-stock
Inquiry
UC3844BVD1 onsemi
IC REG CTRLR PWM ...
1,330
In-stock
Inquiry
UC3844BVD1G onsemi
IC REG CTRLR PWM ...
7,550
In-stock
Inquiry
UC3844BVDR2 onsemi
IC REG CTRLR PWM ...
4,740
In-stock
Inquiry
UC3845BD1R2 onsemi
IC REG CTRLR BOOS...
7,050
In-stock
Inquiry
UC3845BDR2 onsemi
IC REG CTRLR BOOS...
6,030
In-stock
Inquiry
UC3845BVD1 onsemi
IC REG CTRLR BOOS...
1,030
In-stock
Inquiry
UC3845BVD1G onsemi
IC REG CTRLR BOOS...
7,050
In-stock
Inquiry
UC3845BVDR2 onsemi
IC REG CTRLR BOOS...
3,160
In-stock
Inquiry
SG3525ADW onsemi
IC REG CTRLR PUSH...
7,650
In-stock
Inquiry
TL494CD onsemi
IC REG CTRLR BCK/...
6,790
In-stock
Inquiry
TL594CD onsemi
IC REG CTRLR BCK/...
3,010
In-stock
Inquiry
TL594CN onsemi
IC REG CTRLR BCK/...
7,660
In-stock
Inquiry
NCP1582ADR2G onsemi
IC REG CTRLR BUCK...
5,060
In-stock
Inquiry
NCP1586DR2G onsemi
IC REG CTRLR BUCK...
1,220
In-stock
Inquiry
NCP1588MTR2G onsemi
IC REG CTRLR BUCK...
3,920
In-stock
Inquiry
NCP1589MNTZG onsemi
IC REG CTRLR BUCK...
7,960
In-stock
Inquiry