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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
UC3843ADR2G onsemi
IC REG CTRLR BUCK...
3,750
In-stock
Inquiry
UC3843ANG onsemi
IC REG CTRLR BUCK...
4,920
In-stock
Inquiry
UC3844NG onsemi
IC REG CTRLR PWM ...
5,360
In-stock
Inquiry
UC3845DR2G onsemi
IC REG CTRLR BOOS...
4,030
In-stock
Inquiry
UC3845NG onsemi
IC REG CTRLR BOOS...
3,080
In-stock
Inquiry
MC33067DWG onsemi
IC REG CTRLR FLYB...
2,330
In-stock
Inquiry
MC34067DWG onsemi
IC REG CTRLR FLYB...
1,410
In-stock
Inquiry
TL494ING onsemi
IC REG CTRLR BCK/...
6,060
In-stock
Inquiry
UC3842BVD1G onsemi
IC REG CTRLR BST ...
4,060
In-stock
Inquiry
UC3843BVDG onsemi
IC REG CTRLR FLYB...
1,120
In-stock
Inquiry
UC3843BVNG onsemi
IC REG CTRLR FLYB...
6,450
In-stock
Inquiry
UC3844BVDG onsemi
IC REG CTRLR PWM ...
6,900
In-stock
Inquiry
UC3845BVDG onsemi
IC REG CTRLR BOOS...
7,160
In-stock
Inquiry
UC3845BVNG onsemi
IC REG CTRLR BOOS...
7,090
In-stock
Inquiry
FAN7585SN onsemi
IC REG CTRLR PUSH...
6,270
In-stock
Inquiry
FAN6520AIM onsemi
IC REG CTRLR BUCK...
5,110
In-stock
Inquiry
FAN6520AIMX onsemi
IC REG CTRLR BUCK...
5,740
In-stock
Inquiry
FAN5029MPX onsemi
IC REG CTRLR BUCK...
5,400
In-stock
Inquiry
ADP3182JRQZ-REEL onsemi
IC REG CTRLR BUCK...
1,780
In-stock
Inquiry
KA7500C onsemi
IC REG CTRLR BUCK...
7,000
In-stock
Inquiry