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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
L6985FTR STMicroelectronics
IC REG BUCK ADJ 50...
1,510
In-stock
Inquiry
L6986H STMicroelectronics
38 V, 2 A SYNCHRONO...
2,820
In-stock
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L6986H3V3TR STMicroelectronics
38 V, 2 A SYNCHRONO...
1,600
In-stock
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STBB2J30-R STMicroelectronics
IC REG BCK BST PR...
5,500
In-stock
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L5988D STMicroelectronics
IC REG BUCK ADJ 4A...
1,940
In-stock
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STBB3JR STMicroelectronics
IC REG BCK BST AD...
4,980
In-stock
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A6985F5VTR STMicroelectronics
IC REG BUCK 5V 500M...
5,750
In-stock
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A6985F3V3 STMicroelectronics
IC REG BUCK 3.3V 500...
6,950
In-stock
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A6985F3V3TR STMicroelectronics
IC REG BUCK 3.3V 500...
2,500
In-stock
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A6985FTR STMicroelectronics
IC REG BUCK ADJ 50...
4,660
In-stock
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A6985F5V STMicroelectronics
IC REG BUCK 5V 500M...
7,800
In-stock
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A6986F3V3TR STMicroelectronics
IC REG BUCK 3.3V 1.5...
2,070
In-stock
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A6986F3V3 STMicroelectronics
IC REG BUCK 3.3V 1.5...
1,110
In-stock
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AST1S31HF STMicroelectronics
IC REG BUCK ADJ 3A...
4,370
In-stock
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AST1S31PUR STMicroelectronics
IC REG BUCK ADJ 3A...
5,300
In-stock
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L5987A STMicroelectronics
IC REG BUCK ADJUS...
5,250
In-stock
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A6986H3V3TR STMicroelectronics
38 V 2 A SYNCHRONOU...
1,200
In-stock
Inquiry
A6986H5VTR STMicroelectronics
38 V 2 A SYNCHRONOU...
4,900
In-stock
Inquiry
A6986H STMicroelectronics
38 V 2 A SYNCHRONOU...
5,930
In-stock
Inquiry
A5974AD STMicroelectronics
IC REG BUCK ADJUS...
4,910
In-stock
Inquiry