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
UC2823N Unitrode
UC2823 HIGH SPEED P...
4,100
In-stock
Inquiry
UC2527AN Unitrode
UC2527A REGULATING...
6,090
In-stock
Inquiry
UCC3807N-3 Unitrode
UCC3807-3 PROGRAMMA...
3,640
In-stock
Inquiry
UC2525BDWTR Unitrode
UC2525B REGULATING...
3,970
In-stock
Inquiry
UC3847DW Unitrode
UC3847 CURRENT MOD...
6,790
In-stock
Inquiry
UCC3806DWTR Unitrode
UCC3806 LOW POWER, ...
1,860
In-stock
Inquiry
UC3524AJ Unitrode
UC3524AM ADVANCED ...
3,990
In-stock
Inquiry
UCC1800J883B Unitrode
UCC1800 LOW-POWER B...
6,240
In-stock
Inquiry
UC3842ADWG4 Unitrode
IC REG CTRLR PWM ...
5,780
In-stock
Inquiry
UC3842Q Unitrode
1A, 500KHZ BIPOLAR,...
1,530
In-stock
Inquiry
UC2843DTR/80869 Unitrode
UC2843 SWITCHING C...
6,420
In-stock
Inquiry
UC2843NNTR Unitrode
UC2843 SWITCHING C...
5,160
In-stock
Inquiry
UCC3802DTR/81472 Unitrode
UCC3802 SWITCHING ...
2,000
In-stock
Inquiry
UCC3803D/81468 Unitrode
UCC3803 SWITCHING ...
2,230
In-stock
Inquiry
UC2842DW Unitrode
1A, 500KHZ BIPOLAR,...
6,850
In-stock
Inquiry
UC3525AQ Unitrode
SWITCHING CONTRO...
1,460
In-stock
Inquiry
UCC2961N Unitrode
IC REG CTRLR FWRD...
2,340
In-stock
Inquiry
UC2846N/80374 Unitrode
UC2846 SWITCHING C...
7,230
In-stock
Inquiry
UCC2961DTR Unitrode
SWITCHING CONTRO...
5,820
In-stock
Inquiry
UCC3580D-31 Unitrode
UCC3580 SWITCHING ...
4,320
In-stock
Inquiry