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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.

14,872 Records
Image Part Manufacturer Description Stock Action
LM431BIZX onsemi
IC VREF SHUNT ADJ...
3,900
In-stock
Inquiry
LM431SBCMFX onsemi
IC VREF SHUNT ADJ...
3,810
In-stock
Inquiry
LM431BCZX onsemi
IC VREF SHUNT ADJ...
6,370
In-stock
Inquiry
LM431SBCM32X onsemi
IC VREF SHUNT ADJ...
5,410
In-stock
Inquiry
LM431ACZX onsemi
IC VREF SHUNT ADJ...
6,950
In-stock
Inquiry
NCP431ACSNT1G onsemi
IC VREF SHUNT ADJ...
2,140
In-stock
Inquiry
NCP431AVSNT1G onsemi
IC VREF SHUNT ADJ...
7,810
In-stock
Inquiry
TL431IDR2G onsemi
IC VREF SHUNT ADJ...
6,840
In-stock
Inquiry
TL431ACDR2G onsemi
IC VREF SHUNT ADJ...
3,530
In-stock
Inquiry
TL431BCLPRMG onsemi
IC VREF SHUNT ADJ...
3,200
In-stock
Inquiry
TL431AILPRAG onsemi
IC VREF SHUNT ADJ...
1,190
In-stock
Inquiry
TL431BVLPRAG onsemi
IC VREF SHUNT ADJ...
2,640
In-stock
Inquiry
LM385BD-2.5R2G onsemi
IC VREF SHUNT 1.5% ...
1,420
In-stock
Inquiry
LM431ACZ onsemi
IC VREF SHUNT ADJ...
2,520
In-stock
Inquiry
CAT102TDI-GT3 onsemi
IC VREF SHUNT ADJ...
4,600
In-stock
Inquiry
TLV431ALPG onsemi
IC VREF SHUNT ADJ...
1,320
In-stock
Inquiry
FAN431AZXA onsemi
IC VREF SHUNT ADJ...
5,000
In-stock
Inquiry
LM431SCCM3X onsemi
IC VREF SHUNT ADJ...
5,350
In-stock
Inquiry
LM431SACMFX onsemi
IC VREF SHUNT ADJ...
4,780
In-stock
Inquiry
TLV431BSNT1G onsemi
IC VREF SHUNT ADJ...
7,720
In-stock
Inquiry