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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
TPS6734IP Texas Instruments
IC REG BOOST 12.12V...
7,250
In-stock
Inquiry
LM73606RNPT Texas Instruments
IC REG BUCK ADJUS...
7,680
In-stock
Inquiry
TPS54561QDPRTQ1 Texas Instruments
IC REG BCK SPLIT ...
7,840
In-stock
Inquiry
LM2696MXA/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
7,710
In-stock
Inquiry
TPS543B20RVFR Texas Instruments
IC REG BUCK ADJ 25...
6,970
In-stock
Inquiry
TPS548B22RVFR Texas Instruments
IC REG BUCK ADJ 25...
3,740
In-stock
Inquiry
LM2575T-ADJ Texas Instruments
IC REG BUCK ADJ 1A...
3,770
In-stock
Inquiry
LM2575T-5.0/LB03 Texas Instruments
IC REG BUCK 5V 1A T...
6,630
In-stock
Inquiry
LM2585SX-ADJ/NOPB Texas Instruments
IC REG MULT CONFG...
6,860
In-stock
Inquiry
TPS53515RVET Texas Instruments
IC REG BUCK ADJ 12...
6,420
In-stock
Inquiry
TPS65400QRGZTQ1 Texas Instruments
IC REG BUCK ADJ 4A...
3,540
In-stock
Inquiry
LM2670T-ADJ/NOPB Texas Instruments
IC REG BUCK ADJ 3A...
3,510
In-stock
Inquiry
TPS53355DQPR Texas Instruments
IC REG BUCK ADJUS...
3,270
In-stock
Inquiry
LMS36555QRNLTQ1 Texas Instruments
IC REG BUCK 5V 5.5A...
4,830
In-stock
Inquiry
LMS3655MQRNLTQ1 Texas Instruments
IC REG BUCK ADJ 5....
6,360
In-stock
Inquiry
LMS3655NQRNLTQ1 Texas Instruments
IC REG BUCK 3.3V 5.5...
2,290
In-stock
Inquiry
TPS53315RGFT Texas Instruments
IC REG BUCK ADJ 12...
5,400
In-stock
Inquiry
LP875630RNFTQ1 Texas Instruments
IC REG BUCK/LNR
5,130
In-stock
Inquiry
LM2672M-ADJ/NOPB Texas Instruments
IC REG BUCK ADJUS...
4,910
In-stock
Inquiry
TPS544B20RVFR Texas Instruments
IC REG BUCK ADJ 20...
5,190
In-stock
Inquiry