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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
TPS74650PDRVR Texas Instruments
1A LDO WITH PG - MA...
4,370
In-stock
Inquiry
TPS70145PWPR Texas Instruments
TPS701 DUAL-OUTPUT...
3,380
In-stock
Inquiry
LP38843SX-1.2 Texas Instruments
LP38843 3A FAST-RESP...
4,450
In-stock
Inquiry
LP3965ES-1.8 Texas Instruments
LP3965 1.5A FAST ULT...
7,890
In-stock
Inquiry
LP3872ES-2.5 Texas Instruments
LP3872 1.5A FAST ULT...
1,040
In-stock
Inquiry
LP3852EMP-2.5 Texas Instruments
LP3852 1.5A FAST RES...
3,860
In-stock
Inquiry
LP3966ESX-2.5 Texas Instruments
LP3966 3A FAST ULTR...
1,630
In-stock
Inquiry
LP3873ESX-3.3 Texas Instruments
LP3873 3A FAST ULTR...
4,770
In-stock
Inquiry
UCC283TDTR-ADJ Texas Instruments
UCC283 LOW-DROPOUT...
6,090
In-stock
Inquiry
LP3966ES-2.5 Texas Instruments
LP3966 3A FAST ULTR...
3,440
In-stock
Inquiry
LP3966ES-1.8 Texas Instruments
LP3966 3A FAST ULTR...
7,110
In-stock
Inquiry
LP3853ES-3.3 Texas Instruments
LP3853 3A FAST ULTR...
4,640
In-stock
Inquiry
TPS78101DRVT Texas Instruments
IC REG LIN POS AD...
4,430
In-stock
Inquiry
LP2992AIM5-3.3 Texas Instruments
IC REG LINEAR 3.3V...
7,900
In-stock
Inquiry
LP38691SD-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
4,210
In-stock
Inquiry
LP2950CDT-5.0/NOPB Texas Instruments
IC REG LINEAR 5V 1...
3,360
In-stock
Inquiry
LM9076SX-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
3,190
In-stock
Inquiry
LM2936M-3.3/NOPB Texas Instruments
IC REG LINEAR 3.3V...
7,070
In-stock
Inquiry
LM1085IS-5.0/NOPB Texas Instruments
IC REG LIN 5V 3A DD...
5,200
In-stock
Inquiry
TPS75633KTTT Texas Instruments
IC REG LIN 3.3V 5A D...
7,950
In-stock
Inquiry