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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
LM2734YQMKX/NOPB Texas Instruments
LM2734-Q1 - 3 TO 20 V I...
7,630
In-stock
Inquiry
LP8728QSQX-D/NOPB Texas Instruments
LP8728D-Q1 - LP8728D-Q...
6,110
In-stock
Inquiry
LP8728QSQX-C/NOPB Texas Instruments
LP8728C-Q1 - LP8728C-Q...
3,210
In-stock
Inquiry
LP8728QSQX-B/NOPB Texas Instruments
LP8728B-Q1 - LP8728B-Q...
3,720
In-stock
Inquiry
LM2575M-5.0 Texas Instruments
LM2575 - SIMPLE SWI...
3,490
In-stock
Inquiry
LM2575T-ADJ Texas Instruments
LM2575-N SIMPLE SWI...
1,810
In-stock
Inquiry
LM22673QTJ-ADJ/NOPB Texas Instruments
LM22673-Q1 3A SIMPLE...
1,570
In-stock
Inquiry
TPS54110QPWPRQ1 Texas Instruments
TPS54110-Q1 AUTOMOT...
2,610
In-stock
Inquiry
LM2673S-3.3 Texas Instruments
LM2673 8V TO 40V, 3A S...
3,720
In-stock
Inquiry
LM22679QTJE-ADJ/NOPB Texas Instruments
LM22679-Q1 5A SIMPLE...
1,260
In-stock
Inquiry
LM2670S-5.0 Texas Instruments
LM2670 SIMPLE SWIT...
1,030
In-stock
Inquiry
LM2599S-5.0 Texas Instruments
LM2599 SIMPLE SWIT...
1,520
In-stock
Inquiry
LM2678S-3.3 Texas Instruments
LM2678 8V TO 40V, 5A S...
5,810
In-stock
Inquiry
LM2576HVSX-5.0 Texas Instruments
LM2576HV SIMPLE SW...
4,500
In-stock
Inquiry
LM2576HVS-5.0 Texas Instruments
LM2576HV SIMPLE SW...
1,040
In-stock
Inquiry
TPS610995YFFT Texas Instruments
IC REG BOOST 3.6V 8...
2,150
In-stock
Inquiry
LT1054IDW Texas Instruments
IC REG CHARG PUMP...
7,580
In-stock
Inquiry
LM3578AM/NOPB Texas Instruments
IC REG MULTI CONF...
2,670
In-stock
Inquiry
LM2676S-12/NOPB Texas Instruments
IC REG BUCK 12V 3A ...
3,650
In-stock
Inquiry
LM2588S-ADJ/NOPB Texas Instruments
IC REG MULT CONFG...
4,680
In-stock
Inquiry