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
UCC3911DP-3 Unitrode
IC BATT PROT LI-I...
4,260
In-stock
Inquiry
UCC3958PWP-1 Unitrode
IC BATT PROT LI-I...
2,630
In-stock
Inquiry
UCC3911DP-3G4 Unitrode
IC BATT PROT LI-I...
3,450
In-stock
Inquiry
UCC3911DP-1 Unitrode
IC BATT PROT LI-I...
7,060
In-stock
Inquiry
UC2843ANNTR Unitrode
UC2843 SWITCHING C...
4,930
In-stock
Inquiry
UC2843AQ Unitrode
1A, 500KHZ BIPOLAR,...
6,360
In-stock
Inquiry
UC2825N/80709 Unitrode
UC2825 SWITCHING C...
7,100
In-stock
Inquiry
UC3846QTR/80198 Unitrode
UC3846 SWITCHING C...
3,330
In-stock
Inquiry
UC2845ADW/80976 Unitrode
UNITRODE FIXED P...
3,610
In-stock
Inquiry
UC2846Q Unitrode
0.5A, 500KHZ BICMOS,...
7,980
In-stock
Inquiry
UCC2585D Unitrode
SWITCHING CONTRO...
4,400
In-stock
Inquiry
UCC25701D/81385 Unitrode
UCC25701 SWITCHING...
1,690
In-stock
Inquiry
UCC29422PW Unitrode
0.00065A, 2000KHZ BICM...
3,060
In-stock
Inquiry
UC2825QTR Unitrode
SWITCHING CONTRO...
2,030
In-stock
Inquiry
UC2825Q Unitrode
SWITCHING CONTRO...
3,210
In-stock
Inquiry
UCC39421N Unitrode
0.00065A, 2000KHZ BICM...
3,750
In-stock
Inquiry
UC3864N Unitrode
SWITCHING CONTRO...
6,240
In-stock
Inquiry
UC3863N Unitrode
SWITCHING CONTRO...
6,180
In-stock
Inquiry
UCC29421N Unitrode
0.00065A, 2000KHZ BICM...
6,530
In-stock
Inquiry
UC2886D-UN Unitrode
1.5A, 400KHZ BIPOLAR...
1,050
In-stock
Inquiry