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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
MAX1954AEUB Analog Devices, Inc.
CURRENT-MODE PWM...
4,160
In-stock
Inquiry
MAX777LEPA Analog Devices, Inc.
STEP-UP DC-DC CON...
4,090
In-stock
Inquiry
MAX772CPA Analog Devices, Inc.
STEP-UP DC-DC CON...
1,650
In-stock
Inquiry
MAX636BESA Analog Devices, Inc.
ADJUSTABLE O/P SW...
1,980
In-stock
Inquiry
MAX636BCSA Analog Devices, Inc.
ADJUSTABLE O/P SW...
3,980
In-stock
Inquiry
MAX1954EUB Analog Devices, Inc.
CURRENT-MODE PWM...
5,950
In-stock
Inquiry
MAX776CPA Analog Devices, Inc.
INVERTING DC-TO-D...
2,840
In-stock
Inquiry
OA140A Analog Devices, Inc.
DIGITAL ISO OUTP...
2,100
In-stock
Inquiry
MAX770ESA Analog Devices, Inc.
STEP-UP DC-DC CON...
5,430
In-stock
Inquiry
MAX776ESA Analog Devices, Inc.
INVERTING DC-TO-D...
5,290
In-stock
Inquiry
MAX1748EUE-TG069 Analog Devices, Inc.
SWITCHING VOLTAG...
6,520
In-stock
Inquiry
MAX1723ESA Analog Devices, Inc.
1.5 MICRO AMP IQ, S...
3,180
In-stock
Inquiry
ADP3182JRQZ-REEL-AD Analog Devices, Inc.
SWITCHING CONTRO...
5,720
In-stock
Inquiry
ADP1883ARMZ-0.6-R7 Analog Devices, Inc.
IC REG CTRLR BUCK...
2,170
In-stock
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MAX20098ATED/VY+T Analog Devices, Inc.
36V >10A 5UA BUCK CO...
5,330
In-stock
Inquiry
ADP1870ARMZ-0.3-R7 Analog Devices, Inc.
IC REG CTRLR BUCK...
6,540
In-stock
Inquiry
ADP1851ACPZ-R7 Analog Devices, Inc.
IC REG CTRLR BUCK...
5,900
In-stock
Inquiry
ADP1874ARQZ-1.0-R7 Analog Devices, Inc.
IC REG CTRLR BUCK...
6,690
In-stock
Inquiry
LTC3805IMSE#TRPBF Analog Devices, Inc.
IC REG CTRLR FLYB...
1,420
In-stock
Inquiry
MAX16992ATCD/V+T Analog Devices, Inc.
IC REG CTRLR BOOS...
5,710
In-stock
Inquiry