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
LP38859SX-1.2 National Semiconductor
IC REG LIN 1.2V 3A D...
1,750
In-stock
Inquiry
LP38502ASDX-ADJ/NOPB National Semiconductor
IC REG LINEAR POS...
5,610
In-stock
Inquiry
LM2936Z-5.0 National Semiconductor
IC REG LIN FIXED ...
7,780
In-stock
Inquiry
LM1117IMP-5.0/NOPB National Semiconductor
LM1117 SPACE SAVIN...
7,100
In-stock
Inquiry
LM1117MPX-1.8/NOPB National Semiconductor
LM1117 SPACE SAVIN...
4,150
In-stock
Inquiry
LP5990TM-1.8 National Semiconductor
LP5990 MICROPOWER ...
5,460
In-stock
Inquiry
LM1084IS-3.3/NOPB National Semiconductor
LM1084 5A FIXED / AD...
6,860
In-stock
Inquiry
LM1086IS-ADJ/NOPB National Semiconductor
IC REG LIN POS AD...
7,090
In-stock
Inquiry
LP38859S-0.8 National Semiconductor
IC REG LIN 0.8V 3A D...
4,660
In-stock
Inquiry
LP3985IM5-3.3 National Semiconductor
LP3985 MICROPOWER,...
1,010
In-stock
Inquiry
LM1086IT-5.0 National Semiconductor
IC REG LIN FIXED ...
4,080
In-stock
Inquiry
LP38692MP-3.3/NOPB National Semiconductor
LP38692 1A LOW DROPO...
7,140
In-stock
Inquiry
LM1117DT-ADJ National Semiconductor
IC REG LIN POS AD...
1,320
In-stock
Inquiry
LP5900SD-2.2 National Semiconductor
IC REG LINEAR 2.2V...
6,110
In-stock
Inquiry
LM1117IDTX-ADJ/NOPB National Semiconductor
LM1117 SPACE SAVIN...
7,560
In-stock
Inquiry
LP3964ET-ADJ National Semiconductor
IC REG LIN POS AD...
2,400
In-stock
Inquiry
LM2940CT-5.0/NOPB National Semiconductor
LM2940C 1A LOW DROP...
2,340
In-stock
Inquiry
LP3856ES-5.0 National Semiconductor
IC REG LIN 5V 3A DD...
3,490
In-stock
Inquiry
LP2985ITP-1.8 National Semiconductor
LP2985 150MA LOW-NOI...
7,750
In-stock
Inquiry
LM1117MPX-2.5 National Semiconductor
IC REG LINEAR FIX...
2,410
In-stock
Inquiry