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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.

Image Part Manufacturer Description Stock Action
TPS3840PL28DBVR Texas Instruments
IC SUPERVISOR 1 C...
6,980
In-stock
Inquiry
TPS3840DL29DBVR Texas Instruments
IC SUPERVISOR 1 C...
5,870
In-stock
Inquiry
TPS3840PH30DBVR Texas Instruments
IC SUPERVISOR 1 C...
7,420
In-stock
Inquiry
TPS3840PL20DBVR Texas Instruments
IC SUPERVISOR 1 C...
4,490
In-stock
Inquiry
TPS3809K33QDBVRQ1 Texas Instruments
IC SUPERVISOR 1 C...
2,250
In-stock
Inquiry
TPS3840PH30DBVRQ1 Texas Instruments
IC SUPERVISOR 1 C...
3,770
In-stock
Inquiry
TPS3801I50DCKR Texas Instruments
IC SUPERVISOR 1 C...
2,260
In-stock
Inquiry
TPS3801K33DCKR Texas Instruments
IC SUPERVISOR 1 C...
7,520
In-stock
Inquiry
TPS3823-50DBVR Texas Instruments
IC SUPERVISOR 1 C...
3,730
In-stock
Inquiry
TPS3825-50DBVR Texas Instruments
IC SUPERVISOR 1 C...
5,020
In-stock
Inquiry
TPS3828-50DBVR Texas Instruments
IC SUPERVISOR 1 C...
5,890
In-stock
Inquiry
TPS3800G27DCKR Texas Instruments
IC SUPERVISOR 1 C...
6,390
In-stock
Inquiry
TPS3802L30DCKR Texas Instruments
IC SUPERVISOR 1 C...
6,280
In-stock
Inquiry
TPS3806I33DBVR Texas Instruments
IC SUPERVISOR 2 C...
3,700
In-stock
Inquiry
TPS3823-50QDBVRQ1 Texas Instruments
IC SUPERVISOR 1 C...
1,510
In-stock
Inquiry
TPS3828-33QDBVRQ1 Texas Instruments
IC SUPERVISOR 1 C...
5,800
In-stock
Inquiry
TPS3820-33QPDBVRQ1 Texas Instruments
IC SUPERVISOR 1 C...
4,430
In-stock
Inquiry
TPS3897ADRYR Texas Instruments
IC SUPERVISOR 1 C...
3,730
In-stock
Inquiry
TPS389001DSER Texas Instruments
IC SUPERVISOR 1 C...
1,560
In-stock
Inquiry
TPS3808G125DBVR Texas Instruments
IC SUPERVISOR 1 C...
6,050
In-stock
Inquiry