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
UC29432DG4 Unitrode
PRECISION ANALOG...
1,860
In-stock
Inquiry
UCC2839D Unitrode
0.01A, 1000KHZ BICMOS...
1,470
In-stock
Inquiry
UC2544N Unitrode
POWER SUPPLY SUP...
6,440
In-stock
Inquiry
UCC3583N Unitrode
1.8A, 500KHZ BICMOS,...
2,230
In-stock
Inquiry
UC2543DWTR Unitrode
POWER SUPPLY SUP...
2,760
In-stock
Inquiry
UCC3583D Unitrode
UCC3583 SWITCH MOD...
6,080
In-stock
Inquiry
UCC3839D Unitrode
0.01A, 1000KHZ BICMOS...
1,740
In-stock
Inquiry
UC2849N Unitrode
0.3A, 550KHZ BIPOLAR...
7,200
In-stock
Inquiry
UC2838N Unitrode
ANALOG CIRCUIT, B...
1,100
In-stock
Inquiry
UCC2583N Unitrode
1.8A, 500KHZ BICMOS,...
1,820
In-stock
Inquiry
UCC2540PWP Unitrode
SWITCHING CONTRO...
4,200
In-stock
Inquiry
UCC3882DW Unitrode
1.5A, 700KHZ BICMOS,...
1,860
In-stock
Inquiry
UC3904N Unitrode
POWER SUPPLY SUP...
1,330
In-stock
Inquiry
UC3903Q Unitrode
IC SUPERVISOR 4 C...
4,570
In-stock
Inquiry
UC2544DW Unitrode
UC2544 POWER-SUPPL...
4,510
In-stock
Inquiry
UCC391PTR Unitrode
IC SUPERVISOR PW...
6,570
In-stock
Inquiry
UC1544L883B Unitrode
IC SUPERVISOR PW...
1,010
In-stock
Inquiry
UC3903QG3 Unitrode
POWER SUPPLY SUP...
1,450
In-stock
Inquiry
UCC2946PWG4 Unitrode
IC SUPERVISOR 1 C...
6,790
In-stock
Inquiry
UC1730J Unitrode
UC1730 - THERMAL MO...
6,100
In-stock
Inquiry