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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
LM5117QPSQX/NOPB Texas Instruments
IC REG CTRLR BUCK...
5,100
In-stock
Inquiry
TPS53126PW Texas Instruments
IC REG CTRLR BUCK...
1,760
In-stock
Inquiry
UCC28251PW Texas Instruments
IC REG CTRLR MULT...
1,330
In-stock
Inquiry
LM5035BMH/NOPB Texas Instruments
IC REG CTRLR HALF...
1,800
In-stock
Inquiry
UCC3585D Texas Instruments
IC REG CTRLR BUCK...
6,340
In-stock
Inquiry
UCC3807D-3 Texas Instruments
IC REG CTRLR MULT...
7,890
In-stock
Inquiry
UCC2961D Texas Instruments
IC REG CTRLR FWRD...
1,300
In-stock
Inquiry
UCC2541PWPR Texas Instruments
IC REG CTRLR BUCK...
2,300
In-stock
Inquiry
TPS40071PWP Texas Instruments
IC REG CTRLR BUCK...
5,700
In-stock
Inquiry
UC2525BDWTR Texas Instruments
IC REG CTRLR MULT...
5,210
In-stock
Inquiry
UC3525BDWTR Texas Instruments
IC REG CTRLR MULT...
4,210
In-stock
Inquiry
LM5088QMH-2/NOPB Texas Instruments
IC REG CTRLR BUCK...
5,730
In-stock
Inquiry
UC1842AMDREP Texas Instruments
IC REG CTRLR BST ...
5,090
In-stock
Inquiry
TPS40091PW Texas Instruments
IC REG CTRLR BUCK...
3,120
In-stock
Inquiry
TPS40053PWP Texas Instruments
IC REG CTRLR BUCK...
4,440
In-stock
Inquiry
TPS40050PWP Texas Instruments
IC REG CTRLR BUCK...
3,680
In-stock
Inquiry
LM25119QPSQX/NOPB Texas Instruments
IC REG CTRLR BUCK...
4,100
In-stock
Inquiry
UCC28C43MDREP Texas Instruments
IC REG CTRLR MULT...
6,510
In-stock
Inquiry
TPS53632RSMR Texas Instruments
IC REG CTRLR BUCK...
7,620
In-stock
Inquiry
UCC2807D-3 Texas Instruments
IC REG CTRLR MULT...
6,350
In-stock
Inquiry