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
LM34902ITMX/NOPB National Semiconductor
LM34902 300MA CURREN...
7,690
In-stock
Inquiry
DS3650N National Semiconductor
QUAD LINE RECEIV...
6,660
In-stock
Inquiry
LM3543M-H/NOPB National Semiconductor
POWER MANAGEMENT...
1,920
In-stock
Inquiry
LM3544MX-L National Semiconductor
POWER SUPPLY SUP...
2,330
In-stock
Inquiry
LM3526M-H/NOPB National Semiconductor
LM3526 DUAL PORT US...
7,580
In-stock
Inquiry
LM3525M-L National Semiconductor
LM3525 SINGLE PORT...
2,350
In-stock
Inquiry
LM3526M-L National Semiconductor
LM3526 DUAL PORT US...
7,070
In-stock
Inquiry
LM3460M5-1.2 National Semiconductor
IC CONTROLLER PR...
1,870
In-stock
Inquiry
LP3918TLX National Semiconductor
POWER SUPPLY SUP...
4,180
In-stock
Inquiry
LP3923TLX-VB/NOPB National Semiconductor
POWER SUPPLY CIR...
3,930
In-stock
Inquiry
LP2995MRX National Semiconductor
TERMINATOR SUPPO...
6,090
In-stock
Inquiry
LP2995MX National Semiconductor
TERMINATOR SUPPO...
3,680
In-stock
Inquiry
LP3919RLX-C National Semiconductor
POWER MANAGEMENT...
5,760
In-stock
Inquiry
LP3927ILQ-AH National Semiconductor
POWER SUPPLY SUP...
6,420
In-stock
Inquiry
LP3925RMX-E/NOPB National Semiconductor
POWER SUPPLY SUP...
5,200
In-stock
Inquiry
LP3925RMX-A/NOPB National Semiconductor
POWER SUPPLY SUP...
2,300
In-stock
Inquiry
LP3906SQ-VPFP/NOPB National Semiconductor
DUAL SWITCHING C...
1,890
In-stock
Inquiry
LP3917RL-QL/NOPB National Semiconductor
IC PMU CDMA W/CHA...
7,450
In-stock
Inquiry
LP3919RL-D/NOPB National Semiconductor
IC PMU CDMA W/CHA...
5,630
In-stock
Inquiry
LP3972SQ-BI414/NOPB National Semiconductor
POWER SUPPLY SUP...
2,220
In-stock
Inquiry