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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
LM5576QMHX/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
1,210
In-stock
Inquiry
LM2595T-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 1A...
7,970
In-stock
Inquiry
TPS54340DDA Texas Instruments
IC REG BUCK ADJ 3....
4,680
In-stock
Inquiry
LMR23630ADDA Texas Instruments
IC REG BUCK ADJUS...
5,510
In-stock
Inquiry
LM22675QMR-5.0/NOPB Texas Instruments
IC REG BUCK 5V 1A 8...
4,390
In-stock
Inquiry
LM2678SD-ADJ/NOPB Texas Instruments
IC REG BUCK ADJUS...
3,570
In-stock
Inquiry
LMS3655MMRNLT Texas Instruments
IC REG BUCK ADJ 5....
5,080
In-stock
Inquiry
LM2852XMXA-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 2A...
6,980
In-stock
Inquiry
LM22677TJE-5.0/NOPB Texas Instruments
IC REG BUCK 5V 5A T...
1,630
In-stock
Inquiry
LM22677TJE-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 5A...
2,080
In-stock
Inquiry
LM21305SQE/NOPB Texas Instruments
IC REG BUCK ADJUS...
4,520
In-stock
Inquiry
LMR23630AFQDDAQ1 Texas Instruments
IC REG BUCK ADJUS...
1,370
In-stock
Inquiry
TPS549A20RVER Texas Instruments
IC REG BUCK ADJ 15...
5,410
In-stock
Inquiry
TPS5430DDA Texas Instruments
IC REG BUCK ADJUS...
4,490
In-stock
Inquiry
LM2586SX-ADJ/NOPB Texas Instruments
IC REG MULT CONFG...
5,860
In-stock
Inquiry
LM2673T-5.0/NOPB Texas Instruments
IC REG BUCK 5V 3A T...
3,530
In-stock
Inquiry
TPS54627DDA Texas Instruments
IC REG BUCK ADJUS...
3,840
In-stock
Inquiry
LM22680MR-ADJ/NOPB Texas Instruments
IC REG BUCK ADJUS...
4,200
In-stock
Inquiry
LM2676T-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
4,200
In-stock
Inquiry
UCD74120RVFR Texas Instruments
IC REG BUCK 25A 40L...
7,410
In-stock
Inquiry