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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
TL2575HV-12IKV Texas Instruments
IC REG BUCK 12V 1A ...
2,510
In-stock
Inquiry
TL2575HV-05IKV Texas Instruments
IC REG BUCK 5V 1A T...
7,570
In-stock
Inquiry
LM2576T-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
1,340
In-stock
Inquiry
LM2576T-5.0/LF03 Texas Instruments
IC REG BUCK 5V 3A T...
4,000
In-stock
Inquiry
LP87524JRNFRQ1 Texas Instruments
IC REG BUCK PROG ...
5,950
In-stock
Inquiry
LP87525BRNFRQ1 Texas Instruments
AUTOMOTIVE 4 PHAS...
4,800
In-stock
Inquiry
LM43602QPWPRQ1 Texas Instruments
IC REG BUCK ADJ 2A...
5,340
In-stock
Inquiry
TPS54550PWPR Texas Instruments
IC REG BUCK ADJ 6A...
3,200
In-stock
Inquiry
TPS54540QDDARQ1 Texas Instruments
IC REG BCK SPLIT ...
5,990
In-stock
Inquiry
LM22678TJ-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 5A...
1,200
In-stock
Inquiry
LM46002QPWPRQ1 Texas Instruments
IC REG BUCK ADJ 2A...
2,420
In-stock
Inquiry
LM2591HVSX-5.0/NOPB Texas Instruments
IC REG BUCK 5V 1A T...
1,240
In-stock
Inquiry
LM2591HVSX-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 1A...
3,700
In-stock
Inquiry
TPS5450QDDARQ1 Texas Instruments
IC REG BUCK ADJUS...
6,780
In-stock
Inquiry
LM22680MRE-ADJ/NOPB Texas Instruments
IC REG BUCK ADJUS...
7,830
In-stock
Inquiry
LM2676SD-12/NOPB Texas Instruments
IC REG BUCK 12V 3A ...
3,800
In-stock
Inquiry
LM76002RNPT Texas Instruments
IC REG BUCK ADJ 2....
1,530
In-stock
Inquiry
TPS55340QRTETQ1 Texas Instruments
IC REG BOOST ADJ ...
2,240
In-stock
Inquiry
TPS54240DGQ Texas Instruments
IC REG BCK SPLIT ...
6,390
In-stock
Inquiry
LM43600AQPWPTQ1 Texas Instruments
IC REG BUCK ADJ 50...
1,320
In-stock
Inquiry