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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
XC9142B54DMR-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
2,410
In-stock
Inquiry
XC9142B55DMR-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
7,340
In-stock
Inquiry
XC9142C18CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
7,490
In-stock
Inquiry
XC9142C19CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
7,420
In-stock
Inquiry
XC9142C20CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
6,640
In-stock
Inquiry
XC9142C21CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
2,950
In-stock
Inquiry
XC9142C22CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
7,820
In-stock
Inquiry
XC9142C23CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
1,270
In-stock
Inquiry
XC9142C24CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
2,870
In-stock
Inquiry
XC9142C25CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
2,570
In-stock
Inquiry
XC9142C26CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
3,220
In-stock
Inquiry
XC9142C27CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
7,390
In-stock
Inquiry
XC9142C28CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
5,300
In-stock
Inquiry
XC9142C29CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
3,330
In-stock
Inquiry
XC9142C30CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
6,760
In-stock
Inquiry
XC9142C31CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
1,810
In-stock
Inquiry
XC9142C32CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
1,780
In-stock
Inquiry
XC9142C33CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
2,470
In-stock
Inquiry
XC9142C34CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
6,000
In-stock
Inquiry
XC9142C35CER-G Torex Semiconductor Ltd.
0.8A SYNCHRONOUS S...
7,620
In-stock
Inquiry