Power Management (PMIC)

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.

498 Records
Image Part Manufacturer Description Stock Action
UCC28515N Unitrode
POWER FACTOR CON...
7,080
In-stock
Inquiry
UCC28512N Unitrode
POWER FACTOR CON...
1,990
In-stock
Inquiry
UCC28514N Unitrode
POWER FACTOR CON...
1,730
In-stock
Inquiry
UCC28516N Unitrode
POWER FACTOR CON...
2,160
In-stock
Inquiry
UCC28050D Unitrode
UCC28050 TRANSITIO...
7,760
In-stock
Inquiry
UCC28050P Unitrode
UCC28050 TRANSITIO...
6,860
In-stock
Inquiry
UC2854BNG4 Unitrode
POWER FACTOR CON...
4,850
In-stock
Inquiry
UCC28051DG4 Unitrode
UCC28051 PFC CONTRO...
3,940
In-stock
Inquiry
UC3855ADWG4 Unitrode
UC3855A HIGH PERFO...
6,450
In-stock
Inquiry
UCC28512DWG4 Unitrode
UCC28512 ADVANCED P...
6,810
In-stock
Inquiry
UCC28019AP Unitrode
UCC28019A 8-PIN CONT...
1,520
In-stock
Inquiry
UCC2818ANG4 Unitrode
POWER FACTOR CON...
1,550
In-stock
Inquiry
UCC3819AD Unitrode
UCC3819A BICMOS PO...
2,200
In-stock
Inquiry
UCC3818DW Unitrode
UCC3818 BICMOS POW...
5,170
In-stock
Inquiry
UCC28510DW Unitrode
UCC28510 ADVANCED P...
1,780
In-stock
Inquiry
UC3852D Unitrode
UC3852 HIGH POWER-F...
4,730
In-stock
Inquiry
UCC28513N Unitrode
UCC28513 ADVANCED P...
3,420
In-stock
Inquiry
UCC28511N Unitrode
UCC28511 ADVANCED P...
1,910
In-stock
Inquiry
UCC38501DW Unitrode
UCC38501 BICMOS PFC...
5,310
In-stock
Inquiry
UCC28501DW Unitrode
UCC28501 BICMOS PFC...
5,810
In-stock
Inquiry