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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
LM1086ISX-5.0/NOPB Texas Instruments
IC REG LIN 5V 1.5A D...
1,170
In-stock
Inquiry
TPS73801DCQR Texas Instruments
IC REG LINEAR POS...
6,860
In-stock
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TPS7B8633QKVURQ1R2 Texas Instruments
AUTOMOTIVE 500-MA,...
4,280
In-stock
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LM2940SX-5.0/NOPB Texas Instruments
IC REG LIN 5V 1A DD...
6,840
In-stock
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LP38502ASD-ADJ/NOPB Texas Instruments
IC REG LINEAR POS...
3,060
In-stock
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LM78L05ACZ/NOPB Texas Instruments
IC REG LINEAR 5V 1...
1,790
In-stock
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TPS7A7100RGTR Texas Instruments
IC REG LIN POS AD...
2,080
In-stock
Inquiry
TPS73601QDBVRQ1 Texas Instruments
IC REG LIN POS AD...
4,060
In-stock
Inquiry
LM78L05AIM/NOPB Texas Instruments
IC REG LINEAR 5V 1...
3,540
In-stock
Inquiry
LP2951CM-3.0/NOPB Texas Instruments
IC REG LIN POS AD...
6,860
In-stock
Inquiry
LP2951ACM-3.0/NOPB Texas Instruments
IC REG LIN POS AD...
1,070
In-stock
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LP2951ACM-3.3/NOPB Texas Instruments
IC REG LIN POS AD...
4,800
In-stock
Inquiry
TPS7B8733QKVURQ1 Texas Instruments
AUTOMOTIVE 500-MA,...
5,770
In-stock
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LM2930T-5.0/NOPB Texas Instruments
IC REG LINEAR 5V 1...
6,480
In-stock
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TLV2217-33KCSE3 Texas Instruments
IC REG LINEAR 3.3V...
6,340
In-stock
Inquiry
TPS7A4001DGNR Texas Instruments
IC REG LIN POS AD...
7,930
In-stock
Inquiry
TPS74801DRCT Texas Instruments
IC REG LIN POS AD...
2,760
In-stock
Inquiry
LM7912CT/NOPB Texas Instruments
IC REG LINEAR -12V...
3,000
In-stock
Inquiry
LM7915CT/NOPB Texas Instruments
IC REG LINEAR -15V...
5,730
In-stock
Inquiry
LP2950CDT-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
4,660
In-stock
Inquiry