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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
LM96194CISQ/NOPB National Semiconductor
LM96194 4 REMOTE, 1 L...
4,950
In-stock
Inquiry
LM63CIMA National Semiconductor
SERIAL SWITCH/DI...
1,950
In-stock
Inquiry
LM81BIMT-3 National Semiconductor
ANALOG CIRCUIT, 1...
3,660
In-stock
Inquiry
LM80CIMT-3/NOPB-NS National Semiconductor
POWER SUPPLY MAN...
4,470
In-stock
Inquiry
LM96063CISDX/NOPB National Semiconductor
LM96063 1 REMOTE AND...
6,500
In-stock
Inquiry
LM63CIMAX/NOPB National Semiconductor
LM63 1 REMOTE AND L...
3,050
In-stock
Inquiry
LM96163CISD/NOPB National Semiconductor
LM96163 1 REMOTE AND...
5,550
In-stock
Inquiry
LM80CIMT-3/NOPB National Semiconductor
LM80 SERIAL INTER...
5,690
In-stock
Inquiry
LM231AN National Semiconductor
VOLTAGE TO FREQU...
6,180
In-stock
Inquiry
LM2917N/NOPB National Semiconductor
LM2917-N FREQUENCY...
4,740
In-stock
Inquiry
LM2917MX National Semiconductor
VOLTAGE TO FREQU...
2,200
In-stock
Inquiry
LM231N National Semiconductor
VOLTAGE TO FREQU...
7,960
In-stock
Inquiry
LM2907N-8 National Semiconductor
VOLTAGE TO FREQU...
4,410
In-stock
Inquiry
LM2907M National Semiconductor
LM2907-N FREQUENCY...
6,380
In-stock
Inquiry
LM4040EIMX-2.5 National Semiconductor
TWO TERMINAL VOL...
3,040
In-stock
Inquiry
LM431AIMX National Semiconductor
IC VREF SHUNT ADJ...
5,970
In-stock
Inquiry
LM4040DIMX-5.0 National Semiconductor
VOLTAGE REFERENC...
2,140
In-stock
Inquiry
LM385Z-1.2 National Semiconductor
IC VREF SHUNT 1% T...
1,410
In-stock
Inquiry
LM4041DIM7X-1.2 National Semiconductor
IC VREF SHUNT 1% S...
3,370
In-stock
Inquiry
LM336Z-5.0 National Semiconductor
VOLTAGE REFERENC...
3,690
In-stock
Inquiry