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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.

Image Part Manufacturer Description Stock Action
LP3995ILD-2.8/NOPB Texas Instruments
LP3995 MICROPOWER ...
6,660
In-stock
Inquiry
LM9076S-3.3/NOPB Texas Instruments
LM9076 150MA ULTRA-L...
6,660
In-stock
Inquiry
REG103UA-2.5 Texas Instruments
REG103 500MA, LOW-NO...
6,610
In-stock
Inquiry
LP3999ITL-2.5/NOPB Texas Instruments
IC REG LINEAR 2.5V...
5,620
In-stock
Inquiry
LM120H-15/NOPB Texas Instruments
IC REG LINEAR -15V...
1,020
In-stock
Inquiry
LP3981IMM-3.3 Texas Instruments
LP3981 MICROPOWER,...
6,440
In-stock
Inquiry
LP2986IM-3.0/NOPB Texas Instruments
LP2986 MICROPOWER,...
4,220
In-stock
Inquiry
LP2986IMM-3.0/NOPB Texas Instruments
IC REG LINEAR 3V 2...
5,380
In-stock
Inquiry
LP2988IMM-3.3/NOPB Texas Instruments
LP2988 MICROPOWER,...
5,440
In-stock
Inquiry
LM2990T-5.2/NOPB Texas Instruments
LM2990 1-A, NEGATIVE...
3,580
In-stock
Inquiry
LP3872EMP-3.3/NOPB Texas Instruments
LP3872 1.5A FAST ULT...
5,770
In-stock
Inquiry
LP3990TL-1.5/NOPB Texas Instruments
LP3990 150MA LINEAR ...
4,440
In-stock
Inquiry
LP2989IMM-2.8/NOPB Texas Instruments
IC REG LINEAR 2.8V...
3,420
In-stock
Inquiry
LP38869MHE/NOPB Texas Instruments
IC REG LIN POS AD...
4,230
In-stock
Inquiry
LP3999ITL-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
4,320
In-stock
Inquiry
LP3881ES-1.8/NOPB Texas Instruments
LP3881 0.8A FAST-RES...
5,620
In-stock
Inquiry
LP38842S-1.2/NOPB Texas Instruments
LP38842 1.5A ULTRA LO...
7,110
In-stock
Inquiry
LP5900TL-2.2/NOPB Texas Instruments
IC REG LINEAR 2.2V...
3,270
In-stock
Inquiry
LP5951MG-2.0/NOPB Texas Instruments
IC REG LINEAR 2V 1...
2,070
In-stock
Inquiry
LP3852EMP-1.8/NOPB Texas Instruments
IC REG LINEAR 1.8V...
6,690
In-stock
Inquiry