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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
TPS40055PWP Texas Instruments
IC REG CTRLR BUCK...
3,550
In-stock
Inquiry
TPS53667RTAT Texas Instruments
RBS 6PH CATALOGUE
5,890
In-stock
Inquiry
UCD9222RGZT Texas Instruments
IC REG CTRLR BUCK...
5,240
In-stock
Inquiry
LM5175RHFT Texas Instruments
IC REG CTRLR BUCK...
7,490
In-stock
Inquiry
UCC2895PW Texas Instruments
IC OFFLINE SW FUL...
6,730
In-stock
Inquiry
UCC2895N Texas Instruments
IC OFFLINE SW FUL...
3,210
In-stock
Inquiry
TPS40055MPWPREP Texas Instruments
IC REG CTRLR BUCK...
7,440
In-stock
Inquiry
LM5122QMH/NOPB Texas Instruments
IC REG CTRLR MULT...
5,440
In-stock
Inquiry
LM5642MTC Texas Instruments
IC REG CTRLR BUCK...
3,880
In-stock
Inquiry
UCC28950PW Texas Instruments
IC REG CTRLR FULL...
4,870
In-stock
Inquiry
LM5170PHPT Texas Instruments
BI DIRECTIONAL 48...
7,580
In-stock
Inquiry
UC2825AN Texas Instruments
IC REG CTRLR MULT...
4,770
In-stock
Inquiry
LM5143QRWGRQ1 Texas Instruments
IC POWER MANAGEM...
2,640
In-stock
Inquiry
UCC3806DW Texas Instruments
IC REG CTRLR MULT...
1,880
In-stock
Inquiry
LM5140QRWGTQ1 Texas Instruments
IC REG CTRLR BUCK...
3,990
In-stock
Inquiry
UCC3806N Texas Instruments
IC REG CTRLR MULT...
3,890
In-stock
Inquiry
UC2841DW Texas Instruments
IC REG CTRLR MULT...
3,040
In-stock
Inquiry
TL2844BDRG4-8 Texas Instruments
IC REG CTRLR BST ...
1,540
In-stock
Inquiry
TL2843BDRG4-8 Texas Instruments
IC REG CTRLR MULT...
4,210
In-stock
Inquiry
TL594CNSR Texas Instruments
IC REG CTRLR MULT...
4,710
In-stock
Inquiry