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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
TPS57140MDRCREP Texas Instruments
IC REG BUCK ADJ 1....
1,230
In-stock
Inquiry
LM5001MA Texas Instruments
IC REG MULTI CONF...
7,360
In-stock
Inquiry
LM2575HVS-ADJ/J7001488 Texas Instruments
LM2575HVS-ADJ/J700148...
6,150
In-stock
Inquiry
LM2585T-ADJ Texas Instruments
LM2585 4V TO 40V, 3A S...
3,010
In-stock
Inquiry
LM2841YQMK/NOPB Texas Instruments
LM2841-Q1 - SIMPLE S...
2,390
In-stock
Inquiry
LM2575HVT-5.0/ELLI859 Texas Instruments
LM2575HV - 1A STEP-D...
1,940
In-stock
Inquiry
LM2574N-5.0/NOPB Texas Instruments
LM2574 8V TO 40V, 500MA...
1,510
In-stock
Inquiry
LM25011AQ1MYX/NOPB Texas Instruments
LM25011-Q1 - AUTOMOT...
7,750
In-stock
Inquiry
TPS62692YFDR Texas Instruments
TPS62692 - SWITCHIN...
5,620
In-stock
Inquiry
LM43602AQPWPRQ1 Texas Instruments
LM43602-Q1 AUTOMOTI...
3,880
In-stock
Inquiry
TPS55165QPWPTQ1 Texas Instruments
TPS55165-Q1 2V TO 36V,...
5,340
In-stock
Inquiry
TPS62242QDDCRQ1 Texas Instruments
TPS62242-Q1 - AUTOMO...
5,740
In-stock
Inquiry
TPS62387AYZJT Texas Instruments
TPS62387 - SWITCHIN...
4,450
In-stock
Inquiry
LM22680QMRX-ADJ/NOPB Texas Instruments
LM22680-Q1 - 2A SIMPL...
6,270
In-stock
Inquiry
LM2676SX-5.0 Texas Instruments
LM2676 SIMPLE SWIT...
3,000
In-stock
Inquiry
TPS62423QDRCRQ1 Texas Instruments
TPS62423-Q1 AUTOMOT...
2,170
In-stock
Inquiry
TPS610985DSER Texas Instruments
IC REG DL BOOST/L...
7,680
In-stock
Inquiry
TPS610985DSET Texas Instruments
IC REG DL BOOST/L...
7,900
In-stock
Inquiry
TPS51285ARUKT Texas Instruments
IC REG QUAD BUCK/...
1,440
In-stock
Inquiry
TPS610981DSER Texas Instruments
IC REG DL BOOST/L...
6,400
In-stock
Inquiry