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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
LM2591HVS-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 1A...
7,150
In-stock
Inquiry
LM2676S-3.3/NOPB Texas Instruments
IC REG BUCK 3.3V 3A...
5,560
In-stock
Inquiry
LM2676S-5.0/NOPB Texas Instruments
IC REG BUCK 5V 3A T...
5,340
In-stock
Inquiry
TPS54560DDA Texas Instruments
IC REG BCK SPLIT ...
1,230
In-stock
Inquiry
LM5575QMH/NOPB Texas Instruments
IC REG BUCK ADJ 1....
1,070
In-stock
Inquiry
LM2677T-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 5A...
5,430
In-stock
Inquiry
LM2678S-5.0/NOPB Texas Instruments
IC REG BUCK 5V 5A T...
4,540
In-stock
Inquiry
TPS54550PWP Texas Instruments
IC REG BUCK ADJ 6A...
7,000
In-stock
Inquiry
LM2576HVT-5.0/NOPB Texas Instruments
IC REG BUCK 5V 3A T...
5,490
In-stock
Inquiry
TPS54260MDRCTEP Texas Instruments
IC REG BUCK ADJ 2....
4,440
In-stock
Inquiry
LM2596S-5.0/NOPB Texas Instruments
IC REG BUCK 5V 3A T...
2,470
In-stock
Inquiry
LM2596S-12/NOPB Texas Instruments
IC REG BUCK 12V 3A ...
5,050
In-stock
Inquiry
LM2675M-ADJ Texas Instruments
IC REG BUCK ADJUS...
4,220
In-stock
Inquiry
LM2595S-5.0 Texas Instruments
IC REG BUCK 5V 1A T...
2,260
In-stock
Inquiry
LM2675M-5.0 Texas Instruments
IC REG BUCK 5V 1A 8...
4,650
In-stock
Inquiry
LM2677S-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 5A...
2,060
In-stock
Inquiry
LM2679S-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 5A...
7,390
In-stock
Inquiry
TPS544B20RVFT Texas Instruments
IC REG BUCK ADJ 20...
3,750
In-stock
Inquiry
LM2592HVS-5.0/NOPB Texas Instruments
IC REG BUCK 5V 2A T...
4,510
In-stock
Inquiry
LM2592HVS-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 2A...
4,120
In-stock
Inquiry