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
LM1086ISX-5.0 National Semiconductor
IC REG LIN FIXED ...
1,850
In-stock
Inquiry
LM2936QHBMAX5.0/NOPB National Semiconductor
LM2936Q-Q1 ULTRA-LO...
2,370
In-stock
Inquiry
LM2941LD National Semiconductor
IC REG LINEAR POS...
4,020
In-stock
Inquiry
LM1117IDT-ADJ/NOPB National Semiconductor
IC REG LIN POS AD...
2,030
In-stock
Inquiry
LM2937ET-15/NOPB National Semiconductor
LM2937 500 MA LOW DRO...
4,110
In-stock
Inquiry
LP38691DT-5.0 National Semiconductor
IC REG LINEAR 5V 5...
4,890
In-stock
Inquiry
LM1117SX-5.0 National Semiconductor
IC REG LIN FIXED ...
4,110
In-stock
Inquiry
LM140LAH-12/883 National Semiconductor
LM140LQML MILITAR...
4,910
In-stock
Inquiry
LM120H-15/883 National Semiconductor
LM120QML MILITARY...
6,990
In-stock
Inquiry
LP3855ES-3.3/NOPB National Semiconductor
LP3855 1.5A FAST RES...
1,280
In-stock
Inquiry
LM79L05ACZ/NOPB National Semiconductor
LM79L SERIES 3-TER...
4,170
In-stock
Inquiry
LP2992AIM5X-3.3/NOPB National Semiconductor
LP2992 MICROPOWER ...
2,800
In-stock
Inquiry
LP3995ITL-1.8 National Semiconductor
IC REG LINEAR FIX...
2,720
In-stock
Inquiry
LM2931CMX/NOPB National Semiconductor
IC REG LIN POS AD...
5,000
In-stock
Inquiry
LP5951MG-3.0/NOPB National Semiconductor
LP5951 MICROPOWER ...
3,120
In-stock
Inquiry
LM1117IMP-5.0 National Semiconductor
IC REG LIN FIXED ...
6,980
In-stock
Inquiry
LM1117SX-ADJ National Semiconductor
IC REG LIN POS AD...
4,540
In-stock
Inquiry
LP38859T-1.2 National Semiconductor
IC REG LINEAR 1.2V...
1,710
In-stock
Inquiry
LP3893ESX-1.2 National Semiconductor
IC REG LIN 1.2V 3A D...
5,100
In-stock
Inquiry
LP2954AIM/NOPB National Semiconductor
IC REG LIN POS AD...
6,570
In-stock
Inquiry