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.

Image Part Manufacturer Description Stock Action
LP3855ES-2.5 National Semiconductor
IC REG LINEAR 2.5V...
5,540
In-stock
Inquiry
LP2986IM-3.0 National Semiconductor
IC REG LINEAR 3V 2...
1,030
In-stock
Inquiry
LM317DCY National Semiconductor
IC REG LIN POS AD...
5,430
In-stock
Inquiry
LP2988AIMM-3.0 National Semiconductor
IC REG LINEAR 3V 2...
2,250
In-stock
Inquiry
LP5952LC-1.2/NOPB National Semiconductor
IC REG LINEAR 1.2V...
7,630
In-stock
Inquiry
LM2937IMPX-5.0/NOPB National Semiconductor
LM2937 500 MA LOW DRO...
7,590
In-stock
Inquiry
LP2985AIM5X-5.0/NOPB National Semiconductor
LP2985A 150MA LOW-NO...
3,320
In-stock
Inquiry
LP5900TL-2.75/NOPB National Semiconductor
IC REG LINEAR 2.75V...
6,460
In-stock
Inquiry
LP2985IM5X-5.0/NOPB National Semiconductor
LP2985 150MA LOW-NOI...
4,070
In-stock
Inquiry
LP3988IMF-3.3 National Semiconductor
IC REG LINEAR 3.3V...
1,610
In-stock
Inquiry
LP38693SDX-ADJ/NOPB National Semiconductor
IC REG LIN POS AD...
3,340
In-stock
Inquiry
LP2989IMX-1.8/NOPB National Semiconductor
IC REG LINEAR 1.8V...
2,820
In-stock
Inquiry
LP2951CMM-3.3 National Semiconductor
LP2951-N SERIES OF ...
7,540
In-stock
Inquiry
LP2951CMX-3.3 National Semiconductor
LP2951 - FIXED/ADJU...
2,330
In-stock
Inquiry
LM2991T/LB03 National Semiconductor
LM2991 NEGATIVE LO...
4,510
In-stock
Inquiry
LP38693SD-5.0 National Semiconductor
FIXED POSITIVE L...
7,370
In-stock
Inquiry
LP2950CDTX-5.0 National Semiconductor
LP2950 -FIXED MICRO...
2,010
In-stock
Inquiry
LP2951ACM-3.3 National Semiconductor
LP2951-N SERIES OF ...
5,880
In-stock
Inquiry
LM723CH National Semiconductor
LM723C-MIL 150 MA AD...
1,510
In-stock
Inquiry
LP38693SD-1.8 National Semiconductor
LP38693 500MA LOW DRO...
6,810
In-stock
Inquiry