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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
TPS78230DDCR Texas Instruments
IC REG LINEAR 3V 1...
3,850
In-stock
Inquiry
TPS71550QDCKRQ1 Texas Instruments
IC REG LINEAR 5V 5...
3,670
In-stock
Inquiry
TPS7A0318DBVR Texas Instruments
IC REG LINEAR 1.8V...
3,840
In-stock
Inquiry
TPS78330DDCR Texas Instruments
IC REG LINEAR 3V 1...
6,060
In-stock
Inquiry
TPS79901DDCR Texas Instruments
IC REG LIN POS AD...
4,480
In-stock
Inquiry
LP2985IM5-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
6,160
In-stock
Inquiry
LP2985IM5-4.0/NOPB Texas Instruments
IC REG LINEAR 4V 1...
4,780
In-stock
Inquiry
TPS79301DBVRG4Q1 Texas Instruments
IC REG LIN POS AD...
1,710
In-stock
Inquiry
LM317KTTR Texas Instruments
IC REG LIN POS AD...
5,010
In-stock
Inquiry
TPS76901DBVR Texas Instruments
IC REG LIN POS AD...
4,940
In-stock
Inquiry
TPS79933DRVR Texas Instruments
IC REG LINEAR 3.3V...
1,670
In-stock
Inquiry
LP2985AIM5-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
7,750
In-stock
Inquiry
TPS78001DDCR Texas Instruments
IC REG LIN POS AD...
7,910
In-stock
Inquiry
LP2950CDTX-5.0/NOPB Texas Instruments
IC REG LINEAR 5V 1...
5,580
In-stock
Inquiry
TPS70933DRVR Texas Instruments
IC REG LINEAR 3.3V...
7,670
In-stock
Inquiry
TPS70933DRVRM3 Texas Instruments
IC REG LINEAR 3.3V...
1,360
In-stock
Inquiry
LM3480IM3X-12/NOPB Texas Instruments
IC REG LINEAR 12V ...
3,790
In-stock
Inquiry
LP2951ACMX/NOPB Texas Instruments
IC REG LIN POS AD...
1,900
In-stock
Inquiry
LP2951ACMX-3.0/NOPB Texas Instruments
IC REG LIN POS AD...
4,920
In-stock
Inquiry
TPS7B4250QDBVRQ1 Texas Instruments
IC REG LIN POS AD...
5,890
In-stock
Inquiry