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
UCC391PW Unitrode
IC VREF SERIES AD...
5,370
In-stock
Inquiry
UC39431N Unitrode
IC VREF SHUNT ADJ...
6,570
In-stock
Inquiry
UCC3941D-3 Unitrode
0.2A, 200KHZ BICMOS,...
7,390
In-stock
Inquiry
UC3870N-2 Unitrode
1A, 300KHZ BIPOLAR,...
2,230
In-stock
Inquiry
UCC39412D Unitrode
0.715A, 500KHZ PDSO8
1,560
In-stock
Inquiry
UCC3941N-5 Unitrode
0.2A, 200KHZ BICMOS,...
3,460
In-stock
Inquiry
UCC81174D Unitrode
UNITRODE UCC81174D
4,370
In-stock
Inquiry
UCC39411PW Unitrode
UCC39411 1.125V THRES...
1,280
In-stock
Inquiry
UCC39412PW Unitrode
UCC39412 2.97V THRESH...
7,800
In-stock
Inquiry
UC2835D/70053 Unitrode
UC2835D ANALOG CIR...
2,830
In-stock
Inquiry
UCC3837D Unitrode
ANALOG CIRCUIT, 1...
4,920
In-stock
Inquiry
UC1835J Unitrode
ANALOG CIRCUIT, 1...
2,980
In-stock
Inquiry
UC2834N Unitrode
POWER SUPPLY CIR...
3,700
In-stock
Inquiry
UC2834QTR Unitrode
POWER SUPPLY SUP...
7,910
In-stock
Inquiry
UC3836D Unitrode
HIGH EFFICIENCY ...
6,160
In-stock
Inquiry
UCC2941D-3 Unitrode
0.2A, 200KHZ BICMOS,...
6,090
In-stock
Inquiry
UC3543DWTR/81013 Unitrode
POWER SUPPLY SUP...
2,130
In-stock
Inquiry
UCC3941N-3 Unitrode
0.2A, 200KHZ BICMOS,...
7,470
In-stock
Inquiry
UC2836DW Unitrode
HIGH EFFICIENCY ...
6,270
In-stock
Inquiry
UCC2837N Unitrode
ANALOG CIRCUIT, 1...
1,920
In-stock
Inquiry