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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
TPS74901DRCR Texas Instruments
IC REG LINEAR POS...
7,350
In-stock
Inquiry
LM340S-12/NOPB Texas Instruments
IC REG LIN 12V 1.5A ...
3,560
In-stock
Inquiry
LM7915CT Texas Instruments
IC REG LINEAR -15V...
3,630
In-stock
Inquiry
LP38690DT-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
6,630
In-stock
Inquiry
LM1086IT-ADJ/NOPB Texas Instruments
IC REG LIN POS AD...
5,640
In-stock
Inquiry
REG102NA-3.3/250 Texas Instruments
IC REG LINEAR 3.3V...
7,320
In-stock
Inquiry
TPS7101QDR Texas Instruments
IC REG LIN POS AD...
4,690
In-stock
Inquiry
TPS7133QDR Texas Instruments
IC REG LINEAR 3.3V...
7,500
In-stock
Inquiry
LM2990SX-12/NOPB Texas Instruments
IC REG LIN -12V 1.8A...
4,190
In-stock
Inquiry
LM1085IT-12/NOPB Texas Instruments
IC REG LINEAR 12V ...
5,860
In-stock
Inquiry
TPS74901RGWR Texas Instruments
IC REG LINEAR POS...
2,600
In-stock
Inquiry
LM340T-5.0 Texas Instruments
IC REG LINEAR 5V 1...
5,000
In-stock
Inquiry
LM340T-12 Texas Instruments
IC REG LINEAR 12V ...
2,220
In-stock
Inquiry
LM2940T-5.0 Texas Instruments
IC REG LINEAR 5V 1...
2,470
In-stock
Inquiry
TL1963AQKTTRQ1 Texas Instruments
IC REG LINEAR POS...
5,240
In-stock
Inquiry
LM2940CS-12/NOPB Texas Instruments
IC REG LIN 12V 1A D...
7,210
In-stock
Inquiry
LM2940CT-12 Texas Instruments
IC REG LINEAR 12V ...
5,340
In-stock
Inquiry
LM2941T Texas Instruments
IC REG LINEAR POS...
4,070
In-stock
Inquiry
TPS78601DCQR Texas Instruments
IC REG LIN POS AD...
3,320
In-stock
Inquiry
TPS78618DCQR Texas Instruments
IC REG LINEAR 1.8V...
3,420
In-stock
Inquiry