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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
TPS3808G33DBVTG4 Texas Instruments
IC SUPERVISOR 1 C...
3,640
In-stock
Inquiry
TPS3808G33DBVRG4 Texas Instruments
IC SUPERVISOR 1 C...
4,840
In-stock
Inquiry
TPS3823-50DBVTG4 Texas Instruments
IC SUPERVISOR 1 C...
4,240
In-stock
Inquiry
2U3836E18QDBVRG4Q1 Texas Instruments
IC SUPERVISOR 1 C...
4,230
In-stock
Inquiry
2U3820-50QDBVRG4Q1 Texas Instruments
IC SUPERVISOR 1 C...
3,530
In-stock
Inquiry
UCD90240ZRBT Texas Instruments
IC SUPERVISOR 24 C...
7,690
In-stock
Inquiry
UC2903J Texas Instruments
IC SUPERVISOR 4 C...
3,840
In-stock
Inquiry
UC3903J Texas Instruments
IC SUPERVISOR 4 C...
6,780
In-stock
Inquiry
SM72240MFX-4.63/NOPB Texas Instruments
IC SUPERVISOR 1 C...
4,460
In-stock
Inquiry
HPA00763DCKR Texas Instruments
IC SUPERVISOR UL...
1,260
In-stock
Inquiry
UCD90240ZRBR Texas Instruments
IC SUPERVISOR 24 C...
5,170
In-stock
Inquiry
TPS3803-01DCKRG4 Texas Instruments
IC SUPERVISOR 1 C...
3,120
In-stock
Inquiry
SM72240MFE-3.08/NOPB Texas Instruments
IC SUPERVISOR 1 C...
1,830
In-stock
Inquiry
TLV803EA22DBZR Texas Instruments
LOW-POWER VOLTAG...
5,390
In-stock
Inquiry
2T13K33MDBVREP Texas Instruments
IC SUPERVISOR 1 C...
1,610
In-stock
Inquiry
TPS3803-01QDCKRCM Texas Instruments
TPS3803-01 - SUPERVI...
2,450
In-stock
Inquiry
TPS3702CX33QDDCRQ1 Texas Instruments
TPS3702-Q1 AUTOMOTI...
1,080
In-stock
Inquiry
TPS3839K33DBZT Texas Instruments
TPS3839 - ULTRA-LOW...
2,200
In-stock
Inquiry
TPS389033QDSERQ1 Texas Instruments
TPS3890-Q1 - AUTOMOT...
4,720
In-stock
Inquiry
AMC6821SDBQR Texas Instruments
IC TEMP MONTR/PWM...
1,250
In-stock
Inquiry