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
LP5951MF-3.3 National Semiconductor
IC REG LINEAR FIX...
7,130
In-stock
Inquiry
LMS1587CT-3.3 National Semiconductor
IC REG LINEAR FIX...
2,980
In-stock
Inquiry
LM9036M-5.0 National Semiconductor
IC REG LINEAR 5V 5...
6,530
In-stock
Inquiry
LP38841SX-1.2 National Semiconductor
IC REG LINEAR FIX...
4,310
In-stock
Inquiry
LP2985IM5-2.8 National Semiconductor
IC REG LINEAR FIX...
4,210
In-stock
Inquiry
LP38858S-1.2 National Semiconductor
IC REG LINEAR FIX...
7,140
In-stock
Inquiry
LP3987ITL-2.5/NOPB National Semiconductor
IC REG LINEAR FIX...
3,870
In-stock
Inquiry
LMS1585ACS-1.5 National Semiconductor
IC REG LINEAR FIX...
4,030
In-stock
Inquiry
LM2936Z-5.0/T3 National Semiconductor
FIXED POSITIVE L...
4,210
In-stock
Inquiry
LM2936Z-5.0/T1 National Semiconductor
FIXED POSITIVE L...
7,980
In-stock
Inquiry
LP3872ES-2.5 National Semiconductor
IC REG LINEAR FIX...
2,280
In-stock
Inquiry
LM3480IM3X-3.3 National Semiconductor
IC REG LINEAR FIX...
2,990
In-stock
Inquiry
LP3966ES-2.5 National Semiconductor
IC REG LINEAR FIX...
7,770
In-stock
Inquiry
LP3981ILD-3.3 National Semiconductor
IC REG LINEAR FIX...
4,620
In-stock
Inquiry
LP5952TL-0.7/NOPB National Semiconductor
IC REG LINEAR 0.7V...
1,930
In-stock
Inquiry
LM79L05ACMX National Semiconductor
IC REG LINEAR FIX...
1,340
In-stock
Inquiry
LP2992AIM5-5.0 National Semiconductor
IC REG LINEAR 5V 2...
5,170
In-stock
Inquiry
LM2937ET-8.0 National Semiconductor
IC REG LINEAR LDO
6,810
In-stock
Inquiry
LM2941CSX National Semiconductor
IC REG LIN POS AD...
3,300
In-stock
Inquiry
LM2936HVMAX-5.0 National Semiconductor
IC REG LINEAR FIX...
6,920
In-stock
Inquiry