Power Management (PMIC)

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.

498 Records
Image Part Manufacturer Description Stock Action
UCC3580D-2 Unitrode
IC OFFLINE SW MUL...
1,560
In-stock
Inquiry
UC3823DWG4 Unitrode
IC OFFLINE SW MUL...
5,090
In-stock
Inquiry
UCC2810DWG4 Unitrode
IC OFFLINE SW MUL...
5,790
In-stock
Inquiry
UCC28221D Unitrode
IC OFFLINE SWITC...
5,680
In-stock
Inquiry
UC3861DW Unitrode
IC OFFLINE SW MUL...
3,030
In-stock
Inquiry
UCC3807N-2 Unitrode
IC OFFLINE SWITC...
4,130
In-stock
Inquiry
UCC2580D-4 Unitrode
IC OFFLINE SW MUL...
3,560
In-stock
Inquiry
UCC25701D Unitrode
IC OFFLINE SW MUL...
4,400
In-stock
Inquiry
UCC35701N Unitrode
IC OFFLINE SWITC...
3,340
In-stock
Inquiry
UCC25701NG4 Unitrode
IC OFFLINE SWITC...
2,490
In-stock
Inquiry
UC2875NG4 Unitrode
IC OFFLINE SW FUL...
5,700
In-stock
Inquiry
UC3876N Unitrode
IC OFFLINE SW FUL...
2,230
In-stock
Inquiry
UC2851N Unitrode
IC OFFLINE SWITC...
7,020
In-stock
Inquiry
UC2906Q Unitrode
IC BATT CHG PWR S...
1,180
In-stock
Inquiry
UC3909Q Unitrode
IC BATT CHG 0.1A 242...
5,900
In-stock
Inquiry
UCC3956N Unitrode
IC BATT CHG LI-IO...
5,760
In-stock
Inquiry
UC3906Q Unitrode
IC BATT CHG LEAD ...
5,750
In-stock
Inquiry
UC3909N Unitrode
IC BATT CHG LEAD ...
4,770
In-stock
Inquiry
UCC3952DP-2 Unitrode
IC BATT PWR SUPPL...
1,990
In-stock
Inquiry
UCC3911DP-2 Unitrode
IC BATT PROT LI-I...
7,390
In-stock
Inquiry