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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
LM25005MH National Semiconductor
SWITCHING REG, CU...
1,810
In-stock
Inquiry
LM3670MF-3.3 National Semiconductor
SWITCHING REG, VO...
7,170
In-stock
Inquiry
LM2592HVSX-ADJ National Semiconductor
SWITCHING REG, VO...
5,730
In-stock
Inquiry
LM2574N-ADJ National Semiconductor
IC REG MULT CONFI...
7,400
In-stock
Inquiry
LM3677TLX-ADJ/NOPB National Semiconductor
SWITCHING CONTRO...
1,050
In-stock
Inquiry
LM78S40CN National Semiconductor
1.5A, 100KHZ BIPOLAR...
3,060
In-stock
Inquiry
LM2825N-ADJ National Semiconductor
SWITCHING REG, VO...
4,170
In-stock
Inquiry
LM3671MF-1.25 National Semiconductor
SWITCHING REG, VO...
4,790
In-stock
Inquiry
LM2735XMY National Semiconductor
2000KHZ PDSO8
4,970
In-stock
Inquiry
LM78L05ACZ-T3/NOPB National Semiconductor
IC REG LINEAR 5V 1...
1,950
In-stock
Inquiry
LM22671QMR-5.0/NOPB National Semiconductor
SWITCHING REG, VO...
5,830
In-stock
Inquiry
LM2591HVS-5.0 National Semiconductor
SWITCHING REG, VO...
5,160
In-stock
Inquiry
LM2750LDX-ADJ/NOPB National Semiconductor
SWITCHED CAPACIT...
6,040
In-stock
Inquiry
LM2576T-12 National Semiconductor
SWITCHING REG, VO...
1,220
In-stock
Inquiry
LM78S40N National Semiconductor
1.5A, 100KHZ BIPOLAR...
1,820
In-stock
Inquiry
LM2587SX-ADJ National Semiconductor
SWITCHING REG, CU...
4,440
In-stock
Inquiry
LM2592HVT-5.0 National Semiconductor
SWITCHING REG, VO...
1,750
In-stock
Inquiry
LM2852XMXA-1.5 National Semiconductor
SWITCHING REG, VO...
1,440
In-stock
Inquiry
LM2576HVS-ADJ-NS National Semiconductor
SWITCHING REG, VO...
6,470
In-stock
Inquiry
LM34930TL/NOPB-NS National Semiconductor
SWITCHING REG, CU...
3,030
In-stock
Inquiry