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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.

14,872 Records
Image Part Manufacturer Description Stock Action
UC3844BD1G onsemi
IC REG CTRLR PWM ...
1,180
In-stock
Inquiry
UC2845BD1G onsemi
IC REG CTRLR BOOS...
1,530
In-stock
Inquiry
UC2844BNG onsemi
IC REG CTRLR PWM ...
3,120
In-stock
Inquiry
UC2842BNG onsemi
IC REG CTRLR BST ...
3,020
In-stock
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SC78M09HT onsemi
ANA MED CUR POS V...
4,810
In-stock
Inquiry
SCY991521CMUTAG onsemi
BUCK DCDC CONVER...
4,510
In-stock
Inquiry
SJD42CT4G onsemi
BIP DPAK PNP SPEC...
2,580
In-stock
Inquiry
SJD1040T4 onsemi
BIP DPAK PNP SPEC...
5,370
In-stock
Inquiry
SJE2982 onsemi
BIP T0220 NPN SPECI...
3,560
In-stock
Inquiry
UC2843BN onsemi
CURRENT MODE PWM...
4,410
In-stock
Inquiry
IR3638DR2G onsemi
SWITCHING CONTRO...
2,680
In-stock
Inquiry
UC3842AN1 onsemi
ANA SMPS PWM CONT...
2,240
In-stock
Inquiry
CS3844GN8 onsemi
SWITCHING CONTRO...
2,170
In-stock
Inquiry
NCP1573D onsemi
SWITCHING CONTRO...
1,200
In-stock
Inquiry
CS5132HGDWR24 onsemi
DUAL SWITCHING C...
2,600
In-stock
Inquiry
SR4490 onsemi
REC JUMBO BUTTON...
1,390
In-stock
Inquiry
CS3843AGD14 onsemi
SWITCHING CONTRO...
5,170
In-stock
Inquiry
SR4431 onsemi
REC JUMBO BUTTON...
6,670
In-stock
Inquiry
SR4263 onsemi
REC JUMBO BUTTON...
2,830
In-stock
Inquiry
CS3843BGDR8 onsemi
SWITCHING CONTRO...
7,150
In-stock
Inquiry