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.

Image Part Manufacturer Description Stock Action
REG104FA-3.3KTTTG3 Texas Instruments
IC REG LIN 3.3V 1A D...
7,600
In-stock
Inquiry
REG104FA-AKTTTG3 Texas Instruments
IC REG LIN POS AD...
3,740
In-stock
Inquiry
TPS74901KTWTG3 Texas Instruments
IC REG LIN POS AD...
1,890
In-stock
Inquiry
TPS79625KTTTG3 Texas Instruments
IC REG LIN 2.5V 1A D...
4,230
In-stock
Inquiry
TPS79633KTTTG3 Texas Instruments
IC REG LIN 3.3V 1A D...
7,480
In-stock
Inquiry
TPS75501KTTTG3 Texas Instruments
IC REG LIN POS AD...
2,710
In-stock
Inquiry
TPS75601KTTTG3 Texas Instruments
IC REG LIN POS AD...
4,100
In-stock
Inquiry
TPS75733KTTTG3 Texas Instruments
IC REG LIN 3.3V 3A D...
4,410
In-stock
Inquiry
TPS75801KTTTG3 Texas Instruments
IC REG LIN POS AD...
1,750
In-stock
Inquiry
TPS75901KTTTG3 Texas Instruments
IC REG LINEAR POS...
1,510
In-stock
Inquiry
TPS75933KTTTG3 Texas Instruments
IC REG LINEAR 3.3V...
1,320
In-stock
Inquiry
TPS78633KTTTG3 Texas Instruments
IC REG LINEAR 3.3V...
1,060
In-stock
Inquiry
LP38788SDE-ADJ/NOPB Texas Instruments
IC REG LDO 800MA AD...
2,870
In-stock
Inquiry
LP2985-50DBVRG4 Texas Instruments
IC REG LINEAR 5V 1...
1,680
In-stock
Inquiry
TL5209DRG4 Texas Instruments
IC REG LIN POS AD...
5,810
In-stock
Inquiry
TPS71501DCKRG4 Texas Instruments
IC REG LIN POS AD...
2,030
In-stock
Inquiry
TPS71533DCKRG4 Texas Instruments
IC REG LINEAR 3.3V...
5,690
In-stock
Inquiry
TPS72301DBVRG4 Texas Instruments
IC REG LIN NEG AD...
7,390
In-stock
Inquiry
TPS72325DBVTG4 Texas Instruments
IC REG LIN -2.5V 200M...
4,890
In-stock
Inquiry
TPS73601DBVRG4 Texas Instruments
IC REG LIN POS AD...
1,280
In-stock
Inquiry