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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
TPS55288QWRPMRQ1 Texas Instruments
36-V, 16-A BUCK-BOOS...
7,300
In-stock
Inquiry
TPS552882QWRPMRQ1 Texas Instruments
36-V, 16-A BUCK-BOOS...
2,530
In-stock
Inquiry
LP87565URNFRQ1 Texas Instruments
AUTOMOTIVE MULTI...
3,200
In-stock
Inquiry
LP87564TRNFRQ1 Texas Instruments
AUTOMOTIVE MULTI...
3,720
In-stock
Inquiry
LM5574MT/NOPB Texas Instruments
IC REG BUCK ADJ 50...
7,000
In-stock
Inquiry
LM22675MR-ADJ/NOPB Texas Instruments
IC REG BUCK ADJUS...
2,910
In-stock
Inquiry
TPS546B24ARVFR Texas Instruments
2.95-V TO 18-V INPUT,...
6,560
In-stock
Inquiry
LP875761ARNFTQ1 Texas Instruments
FOUR-PHASE 3-MHZ 1...
1,810
In-stock
Inquiry
TPS54020RUWT Texas Instruments
IC REG BUCK ADJ 10...
4,460
In-stock
Inquiry
LM2670S-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
7,210
In-stock
Inquiry
LM2587SX-ADJ/NOPB Texas Instruments
IC REG MULT CONFG...
2,320
In-stock
Inquiry
LM21215MH/NOPB Texas Instruments
IC REG BUCK ADJ 15...
7,790
In-stock
Inquiry
LM2585S-ADJ/NOPB Texas Instruments
IC REG MULT CONFG...
1,350
In-stock
Inquiry
TPS613223ADBVR Texas Instruments
IC REG BOOST 2V 1.2...
6,730
In-stock
Inquiry
TPS61322DBZR Texas Instruments
IC REG BOOST 2.2V 1...
3,580
In-stock
Inquiry
HPA00615DRVR Texas Instruments
IC PWR DISTRIBUT...
3,520
In-stock
Inquiry
LM2772SD/NOPB Texas Instruments
IC REG CHARGE PUM...
1,510
In-stock
Inquiry
LM2681M6X/NOPB Texas Instruments
IC REG CHARGE PUM...
5,780
In-stock
Inquiry
TPS54228DR Texas Instruments
IC REG BUCK ADJUS...
1,170
In-stock
Inquiry
LMR10510YSDX/NOPB Texas Instruments
IC REG BUCK ADJUS...
3,040
In-stock
Inquiry