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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
LMR33630ADDA Texas Instruments
IC REG BUCK ADJUS...
2,860
In-stock
Inquiry
LM22671MRE-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 50...
7,600
In-stock
Inquiry
LM2663M/NOPB Texas Instruments
IC REG CHARGE PUM...
7,790
In-stock
Inquiry
LM76003RNPR Texas Instruments
IC REG BUCK ADJ 3....
5,450
In-stock
Inquiry
LM43600QPWPRQ1 Texas Instruments
IC REG BUCK ADJ 50...
7,610
In-stock
Inquiry
TPS54334DDA Texas Instruments
IC REG BUCK ADJUS...
6,690
In-stock
Inquiry
TPS54335ADDA Texas Instruments
IC REG BUCK ADJUS...
2,650
In-stock
Inquiry
LM2594HVMX-12/NOPB Texas Instruments
IC REG BUCK 12V 500M...
6,650
In-stock
Inquiry
LM2594HVMX-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 500...
6,320
In-stock
Inquiry
LM25018MR/NOPB Texas Instruments
IC REG BUCK ADJ 32...
5,250
In-stock
Inquiry
TPS54160ADRCT Texas Instruments
IC REG BUCK ADJ 1....
5,960
In-stock
Inquiry
TPS54678RTET Texas Instruments
IC REG BUCK ADJUS...
3,090
In-stock
Inquiry
LM5019MR/NOPB Texas Instruments
IC REG BUCK ADJ 10...
6,590
In-stock
Inquiry
LMQ61460AASQRJRRQ1 Texas Instruments
AUTOMOTIVE 3-V TO...
2,110
In-stock
Inquiry
TPS65400RGZR Texas Instruments
IC REG BUCK ADJ 4A...
3,690
In-stock
Inquiry
LM5166DRCT Texas Instruments
IC REG BUCK ADJ 50...
2,440
In-stock
Inquiry
LM5166YDRCT Texas Instruments
IC REG BUCK 3.3V 500...
7,130
In-stock
Inquiry
LM5010AMHE/NOPB Texas Instruments
IC REG BUCK ADJ 1A...
5,830
In-stock
Inquiry
LM2574M-5.0/NOPB Texas Instruments
IC REG BUCK 5V 500M...
4,800
In-stock
Inquiry
LM2574M-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 50...
1,310
In-stock
Inquiry