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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
TPS74512PQWDRVRQ1 Texas Instruments
IC REG LINEAR 1.2V...
4,660
In-stock
Inquiry
TPS74550PQWDRVRQ1 Texas Instruments
IC REG LINEAR 5V 5...
4,640
In-stock
Inquiry
TLV71333PDBVT Texas Instruments
IC REG LINEAR 3.3V...
7,090
In-stock
Inquiry
TPS74601PBDRVR Texas Instruments
IC REG LINEAR POS...
4,760
In-stock
Inquiry
TPS709B33DBVR Texas Instruments
IC REG LINEAR 3.3V...
1,510
In-stock
Inquiry
TPS709B50DBVR Texas Instruments
IC REG LINEAR 5V 1...
6,270
In-stock
Inquiry
LP2985IM5-2.5 Texas Instruments
IC REG LINEAR 2.5V...
4,780
In-stock
Inquiry
TPS71433DRVT Texas Instruments
IC REG LINEAR 3.3V...
3,060
In-stock
Inquiry
LMS8117AMP-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
6,950
In-stock
Inquiry
TLV70018DDCT Texas Instruments
IC REG LINEAR 1.8V...
3,610
In-stock
Inquiry
TLV70022DDCT Texas Instruments
IC REG LINEAR 2.2V...
3,180
In-stock
Inquiry
TPS74510PQWDRBRQ1 Texas Instruments
AUTOMOTIVE 500-MA,...
4,080
In-stock
Inquiry
TPS74615PQWDRBRQ1 Texas Instruments
AUTOMOTIVE 1-A, LO...
2,870
In-stock
Inquiry
TPS73433DRVR Texas Instruments
IC REG LINEAR 3.3V...
1,340
In-stock
Inquiry
TPS73118DBVR Texas Instruments
IC REG LINEAR 1.8V...
1,690
In-stock
Inquiry
TPS73150DBVR Texas Instruments
IC REG LINEAR 5V 1...
3,440
In-stock
Inquiry
TPS73125DBVR Texas Instruments
IC REG LINEAR 2.5V...
4,140
In-stock
Inquiry
LM1117IMP-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
7,430
In-stock
Inquiry
LM1117IMP-5.0/NOPB Texas Instruments
IC REG LINEAR 5V 8...
7,390
In-stock
Inquiry
LM1117IMP-ADJ/NOPB Texas Instruments
IC REG LIN POS AD...
6,640
In-stock
Inquiry