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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
TPS71518DCKR Texas Instruments
IC REG LINEAR 1.8V...
7,930
In-stock
Inquiry
TPS73001DBVR Texas Instruments
IC REG LIN POS AD...
6,560
In-stock
Inquiry
TPS73018DBVR Texas Instruments
IC REG LINEAR 1.8V...
1,020
In-stock
Inquiry
LM317LZ/LFT1 Texas Instruments
IC REG LIN POS AD...
5,430
In-stock
Inquiry
LM317LZ/LFT2 Texas Instruments
IC REG LIN POS AD...
2,080
In-stock
Inquiry
LM337LMX/NOPB Texas Instruments
IC REG LIN NEG AD...
5,760
In-stock
Inquiry
LM78L05ACZ/LFT1 Texas Instruments
IC REG LINEAR 5V 1...
1,940
In-stock
Inquiry
TPS71401DCKR Texas Instruments
IC REG LIN POS AD...
5,440
In-stock
Inquiry
LM78L05ACZ/LFT3 Texas Instruments
IC REG LINEAR 5V 1...
6,390
In-stock
Inquiry
TPS793475DBVR Texas Instruments
IC REG LIN 4.75V 200M...
2,950
In-stock
Inquiry
LP2980IM5X-5.0/NOPB Texas Instruments
IC REG LINEAR 5V 5...
1,860
In-stock
Inquiry
UA79M05CKVURG3 Texas Instruments
IC REG LINEAR -5V ...
1,460
In-stock
Inquiry
TPS78412QDBVRQ1 Texas Instruments
IC REG LINEAR 1.2V...
1,860
In-stock
Inquiry
TPS78418QWDRBRQ1 Texas Instruments
AUTOMOTIVE, 300-MA...
6,400
In-stock
Inquiry
TPS78425QWDRBRQ1 Texas Instruments
AUTOMOTIVE, 300-MA...
4,400
In-stock
Inquiry
TPS78450QWDRBRQ1 Texas Instruments
AUTOMOTIVE, 300-MA...
1,830
In-stock
Inquiry
UA78M33QDCYRG4Q1 Texas Instruments
IC REG LIN 3.3V 500M...
1,930
In-stock
Inquiry
TPS7A2501DRVR Texas Instruments
IC REG LIN POS AD...
7,500
In-stock
Inquiry
TPS7A2533DRVR Texas Instruments
IC REG LINEAR 3.3V...
7,930
In-stock
Inquiry
LP3981IMM-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
3,110
In-stock
Inquiry