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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
TPS549D22RVFT Texas Instruments
IC REG BUCK ADJ 40...
6,400
In-stock
Inquiry
TPS546C20ARVFT Texas Instruments
IC REG BUCK ADJ 35...
7,600
In-stock
Inquiry
TPS546C23RVFT Texas Instruments
IC REG BUCK ADJ 35...
5,690
In-stock
Inquiry
TPS543C20RVFT Texas Instruments
IC REG BUCK ADJ 40...
3,800
In-stock
Inquiry
TPS54010PWP Texas Instruments
IC REG BUCK ADJ 14...
3,370
In-stock
Inquiry
LM2591HVS-ADJ Texas Instruments
IC REG BUCK ADJ 1A...
4,120
In-stock
Inquiry
LM2576HVS-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 3A...
4,180
In-stock
Inquiry
LM2585S-ADJ Texas Instruments
IC REG MULT CONFG...
7,220
In-stock
Inquiry
TPS84A20RVQR Texas Instruments
IC REG BUCK ADJ 10...
2,280
In-stock
Inquiry
TPS84A20RVQT Texas Instruments
IC REG BUCK ADJ 10...
1,770
In-stock
Inquiry
TPS563202DRLR Texas Instruments
4.5-V TO 17-V INPUT, ...
6,050
In-stock
Inquiry
TPS60402QDBVRQ1 Texas Instruments
IC REG CHARG PUMP...
7,480
In-stock
Inquiry
TPS62243DRVR Texas Instruments
IC REG BUCK 1.8V 300...
6,260
In-stock
Inquiry
TPS62675YFDR Texas Instruments
IC REG BUCK 1.2V 650...
3,720
In-stock
Inquiry
TPS622314DRYR Texas Instruments
IC REG BUCK 1.5V 500...
6,530
In-stock
Inquiry
TPS62235DRYR Texas Instruments
IC REG BUCK 1.2V 500...
6,430
In-stock
Inquiry
TPS62239DRYR Texas Instruments
IC REG BUCK 1V 500M...
4,590
In-stock
Inquiry
TPS622311DRYR Texas Instruments
IC REG BUCK 1.1V 500...
2,640
In-stock
Inquiry
TPS62242QDDCRQ1 Texas Instruments
IC REG BUCK 1.2V 300...
4,500
In-stock
Inquiry
TPS562219DDFR Texas Instruments
IC REG BUCK ADJ 2A...
1,180
In-stock
Inquiry