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
LM1117IMPX-3.3/NOPB National Semiconductor
LM1117 SPACE SAVIN...
2,540
In-stock
Inquiry
LM1117LDX-ADJ/NOPB National Semiconductor
IC REG LIN POS AD...
5,980
In-stock
Inquiry
LM2991SX National Semiconductor
IC REG LINEAR NEG...
5,650
In-stock
Inquiry
LM1117IDTX-ADJ National Semiconductor
IC REG LINEAR ADJ...
6,970
In-stock
Inquiry
LP5952TL-1.8 National Semiconductor
LP5952 350MA DUAL-RA...
6,710
In-stock
Inquiry
LM317AEMPX/NOPB National Semiconductor
IC REG LIN POS AD...
6,710
In-stock
Inquiry
LM120H-12/883 National Semiconductor
LM120QML MILITARY...
3,270
In-stock
Inquiry
LP38692MPX-ADJ/NOPB National Semiconductor
IC REG LINEAR POS...
2,940
In-stock
Inquiry
LP2992AIM5-5.0/NOPB National Semiconductor
LP2992 MICROPOWER ...
2,050
In-stock
Inquiry
LP3985IM5X-5.0 National Semiconductor
IC REG LINEAR 5V 1...
5,610
In-stock
Inquiry
LM3480IM3X-3.3/NOPB National Semiconductor
LM3480 100 MA, SOT-23, ...
2,360
In-stock
Inquiry
LM1084IS-5.0 National Semiconductor
IC REG LIN FIXED ...
5,570
In-stock
Inquiry
LM1117MPX-ADJ National Semiconductor
IC REG LINEAR ADJ...
6,820
In-stock
Inquiry
LP38842S-0.8 National Semiconductor
IC REG LINEAR 0.8V...
5,200
In-stock
Inquiry
LM2940CSX-5.0/NOPB National Semiconductor
LM2940C 1A LOW DROP...
4,570
In-stock
Inquiry
LP38693MP-1.8/NOPB National Semiconductor
LP38693 500MA LOW DRO...
7,070
In-stock
Inquiry
LP3882EMR-1.5 National Semiconductor
IC REG LIN 1.5V 1.5A...
1,530
In-stock
Inquiry
LM1086CT-ADJ National Semiconductor
IC REG LINEAR ADJ...
1,070
In-stock
Inquiry
LM3940IMPX-3.3/NOPB National Semiconductor
LM3940 1A LOW DROPO...
2,710
In-stock
Inquiry
LM1086CSX-3.3/NOPB National Semiconductor
LM1086 1.5-A FIXED- A...
2,340
In-stock
Inquiry