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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
MAX4193CSA+T Analog Devices, Inc.
IC REG BOOST ADJ ...
5,370
In-stock
Inquiry
MAX8640YEXT16+T Analog Devices, Inc.
IC REG BUCK 1.6V 500...
6,390
In-stock
Inquiry
MAX8640ZEXT12+T Analog Devices, Inc.
IC REG BUCK 1.2V 500...
7,850
In-stock
Inquiry
MAX8640ZEXT15+T Analog Devices, Inc.
IC REG BUCK 1.5V 500...
5,100
In-stock
Inquiry
MAX8640ZEXT25+T Analog Devices, Inc.
IC REG BUCK 2.5V 500...
7,940
In-stock
Inquiry
LTC3548EKD-1#TRPBF Analog Devices, Inc.
IC REG BCK 1.575V/1.8...
1,160
In-stock
Inquiry
LTC3548EKD-1#PBF Analog Devices, Inc.
IC REG BCK 1.575V/1.8...
4,870
In-stock
Inquiry
MAX8640ZEXT13+T Analog Devices, Inc.
IC REG BUCK 1.3V 500...
7,500
In-stock
Inquiry
ADP3050ARZ-5 Analog Devices, Inc.
IC REG MULTI CONF...
1,370
In-stock
Inquiry
ADP3050ARZ-R7 Analog Devices, Inc.
IC REG MULTI CONF...
7,110
In-stock
Inquiry
MAX746CPE+ Analog Devices, Inc.
IC REG BUCK ADJUS...
4,820
In-stock
Inquiry
MAX17067EUA+T Analog Devices, Inc.
IC REG BST SEPIC ...
7,780
In-stock
Inquiry
MAX861CUA+ Analog Devices, Inc.
IC REG CHARG PUMP...
7,080
In-stock
Inquiry
MAX861CSA+T Analog Devices, Inc.
IC REG SWTCHD CAP...
2,450
In-stock
Inquiry
MAX8640ZELT18+T Analog Devices, Inc.
IC REG BUCK 1.8V 500...
4,030
In-stock
Inquiry
MAX860CSA+T Analog Devices, Inc.
IC REG CHARG PUMP...
4,810
In-stock
Inquiry
MAX17016ETL+T Analog Devices, Inc.
IC REG BUCK ADJUS...
3,980
In-stock
Inquiry
MAX1835EUT#TG16 Analog Devices, Inc.
IC REG BOOST 3.3V 1...
4,450
In-stock
Inquiry
MAX5098AATJ+T Analog Devices, Inc.
IC REG BUCK BST A...
2,330
In-stock
Inquiry
ADP3050ARZ-3.3 Analog Devices, Inc.
IC REG MULTI CONF...
4,290
In-stock
Inquiry