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
LP38503TJ-ADJ National Semiconductor
IC REG LINEAR ADJ...
7,430
In-stock
Inquiry
LP2987IMX-5.0/NOPB National Semiconductor
IC REG LINEAR 5V 2...
4,740
In-stock
Inquiry
LM1086IT-5.0/NOPB National Semiconductor
LM1086 1.5-A FIXED- A...
5,730
In-stock
Inquiry
LP38690SD-1.8 National Semiconductor
LP38690 1A LOW DROPO...
1,750
In-stock
Inquiry
LP38691DT-1.8/NOPB National Semiconductor
LP38691 500MA LOW DRO...
7,570
In-stock
Inquiry
SM72238TDX-3.3/NOPB National Semiconductor
IC REG LINEAR 3.3V...
5,250
In-stock
Inquiry
LM2931ASX-5.0/NOPB National Semiconductor
LM2931-N SERIES LOW...
7,460
In-stock
Inquiry
LP2987IM-3.0/NOPB National Semiconductor
IC REG LINEAR 3V 2...
6,810
In-stock
Inquiry
LP2987AIMX-5.0/NOPB National Semiconductor
IC REG LINEAR 5V 2...
5,430
In-stock
Inquiry
LP2988ILD-3.8/NOPB National Semiconductor
IC REG LINEAR 3.8V...
5,720
In-stock
Inquiry
SM72238TDE-5.0/NOPB National Semiconductor
SM72238 MICROPOWER...
4,320
In-stock
Inquiry
LP2989AIMX-1.8/NOPB National Semiconductor
IC REG LINEAR 1.8V...
6,570
In-stock
Inquiry
LM2931AS-5.0 National Semiconductor
LM2931-N SERIES LOW...
7,860
In-stock
Inquiry
LP2960IMX-3.3/NOPB National Semiconductor
IC REG LINEAR 3.3V...
5,730
In-stock
Inquiry
LMS1587CSX-3.3/NOPB National Semiconductor
LMS1587 3A FIXED / A...
3,290
In-stock
Inquiry
LP2989ILDX-5.0/NOPB National Semiconductor
IC REG LINEAR 5V 5...
2,220
In-stock
Inquiry
LP2989IMX-2.5/NOPB National Semiconductor
IC REG LINEAR 2.5V...
4,110
In-stock
Inquiry
LP3962EMP-2.5/NOPB National Semiconductor
IC REG LINEAR 2.5V...
5,890
In-stock
Inquiry
LM9076S-5.0 National Semiconductor
LM9076 150MA ULTRA-L...
7,570
In-stock
Inquiry
LP3961ES-1.8 National Semiconductor
LP3961 800MA FAST UL...
7,680
In-stock
Inquiry