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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
LM5642XMT/NOPB Texas Instruments
IC REG CTRLR BUCK...
7,770
In-stock
Inquiry
UC3863DW Texas Instruments
IC REG CTRLR MULT...
2,110
In-stock
Inquiry
UC2525BN Texas Instruments
IC REG CTRLR MULT...
1,550
In-stock
Inquiry
TPS5120DBT Texas Instruments
IC REG CTRLR BUCK...
2,220
In-stock
Inquiry
UC3841N Texas Instruments
IC REG CTRLR MULT...
6,660
In-stock
Inquiry
UC2843DTR Texas Instruments
IC REG CTRLR MULT...
5,080
In-stock
Inquiry
TL3843BP Texas Instruments
IC REG CTRLR MULT...
7,370
In-stock
Inquiry
TL2842BP Texas Instruments
IC REG CTRLR BST ...
6,610
In-stock
Inquiry
LM1770SMF/NOPB Texas Instruments
IC REG CTRLR BUCK...
2,940
In-stock
Inquiry
TL3842D-8 Texas Instruments
IC REG CTRLR BST ...
7,870
In-stock
Inquiry
TL3845D Texas Instruments
IC REG CTRLR MULT...
1,540
In-stock
Inquiry
TL3844D Texas Instruments
IC REG CTRLR BST ...
4,110
In-stock
Inquiry
TL3843D Texas Instruments
IC REG CTRLR MULT...
7,910
In-stock
Inquiry
TL3844BD-8 Texas Instruments
IC REG CTRLR BST ...
5,220
In-stock
Inquiry
TL3845BD Texas Instruments
IC REG CTRLR MULT...
1,390
In-stock
Inquiry
TL2843BD Texas Instruments
IC REG CTRLR MULT...
4,310
In-stock
Inquiry
TL2842BD Texas Instruments
IC REG CTRLR BST ...
2,350
In-stock
Inquiry
TPS51163DRCT Texas Instruments
IC REG CTRLR BUCK...
2,500
In-stock
Inquiry
LM25085SDE/NOPB Texas Instruments
IC REG CTRLR BUCK...
4,880
In-stock
Inquiry
TL2845DG4-8 Texas Instruments
IC REG CTRLR MULT...
1,900
In-stock
Inquiry