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.

2,103 Records
Image Part Manufacturer Description Stock Action
RT9818C-23GU3 Richtek
IC SUPERVISOR 1 C...
4,880
In-stock
Inquiry
RT9824CGJ8 Richtek
IC SUPERVISOR 3 C...
4,030
In-stock
Inquiry
RT9818A-30GB Richtek
IC SUPERVISOR 1 C...
1,790
In-stock
Inquiry
RT9818B-35GB Richtek
IC SUPERVISOR 1 C...
3,930
In-stock
Inquiry
RT9818D-27GV Richtek
IC SUPERVISOR 1 C...
6,270
In-stock
Inquiry
RT9818E-27GB Richtek
IC SUPERVISOR 1 C...
4,590
In-stock
Inquiry
RT9818G-33GVL Richtek
IC SUPERVISOR 1 C...
3,110
In-stock
Inquiry
RT9819D-29PV Richtek
IC SUPERVISOR 1 C...
7,720
In-stock
Inquiry
RT9819C-29PV Richtek
IC SUPERVISOR 1 C...
7,180
In-stock
Inquiry
RT9817C-30PH Richtek
MICRO-PWR VOL DET...
1,250
In-stock
Inquiry
RT9817D-30PH Richtek
MICRO-PWR VOL DET...
4,960
In-stock
Inquiry
RT9829GQW Richtek
IC DUAL PUSH-BUTT...
7,400
In-stock
Inquiry
RT9816D-30GY Richtek
MICRO-PWR VOL DET...
4,560
In-stock
Inquiry
RT9554AGQW Richtek
BATT OUTPUT PROT...
2,020
In-stock
Inquiry
RT9553AGQW Richtek
PROTECTION IC WD...
4,980
In-stock
Inquiry
RT9553BGQW Richtek
PROTECTION IC WD...
5,630
In-stock
Inquiry
RT9818C-26GV Richtek
IC SUPERVISOR 1 C...
3,280
In-stock
Inquiry
RT9819C-26GV Richtek
IC SUPERVISOR 1 C...
7,530
In-stock
Inquiry
RT9819C-42GV Richtek
IC SUPERVISOR 1 C...
5,820
In-stock
Inquiry
RT9817C-30GH Richtek
IC SUPERVISOR 1 C...
4,130
In-stock
Inquiry