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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
LM5109SD Texas Instruments
IC GATE DRVR HALF...
7,340
In-stock
Inquiry
LM5111-3MY/NOPB Texas Instruments
IC GATE DRVR LOW-...
3,190
In-stock
Inquiry
LM5100CMA/NOPB Texas Instruments
IC GATE DRVR HALF...
1,890
In-stock
Inquiry
LM5100CSD/NOPB Texas Instruments
IC GATE DRVR HALF...
7,860
In-stock
Inquiry
SN75372PSRE4 Texas Instruments
IC GATE DRVR LOW-...
4,120
In-stock
Inquiry
SN75374DE4 Texas Instruments
IC QUAD MOSFET DR...
1,870
In-stock
Inquiry
SN75374DRE4 Texas Instruments
IC GATE DRVR LOW-...
2,980
In-stock
Inquiry
SN75372PG4 Texas Instruments
IC GATE DRVR LOW-...
1,310
In-stock
Inquiry
TPIC44H01DAG4 Texas Instruments
IC GATE DRVR HIGH...
5,880
In-stock
Inquiry
TPIC44H01DARG4 Texas Instruments
IC GATE DRVR HIGH...
1,480
In-stock
Inquiry
TPIC46L01DBG4 Texas Instruments
IC GATE DRVR LOW-...
2,760
In-stock
Inquiry
TPIC46L01DBRG4 Texas Instruments
IC GATE DRVR LOW-...
1,380
In-stock
Inquiry
TPS2812DG4 Texas Instruments
IC GATE DRVR LOW-...
4,620
In-stock
Inquiry
TPS2812DRG4 Texas Instruments
IC GATE DRVR LOW-...
3,970
In-stock
Inquiry
TPS2813PW Texas Instruments
IC GATE DRVR LOW-...
5,000
In-stock
Inquiry
TPS2813PWG4 Texas Instruments
IC GATE DRVR LOW-...
5,080
In-stock
Inquiry
TPS2814DG4 Texas Instruments
IC GATE DRVR LOW-...
2,410
In-stock
Inquiry
TPS2814DRG4 Texas Instruments
IC GATE DRVR LOW-...
2,820
In-stock
Inquiry
TPS2814PG4 Texas Instruments
IC GATE DRVR LOW-...
5,850
In-stock
Inquiry
TPS2814PWRG4 Texas Instruments
IC GATE DRVR LOW-...
5,820
In-stock
Inquiry