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.
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.
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.
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 | |
|---|---|---|---|---|---|---|
|
National Semiconductor | IC REG LIN FIXED ... |
1,850
In-stock
|
Inquiry | ||
|
National Semiconductor | LM2936Q-Q1 ULTRA-LO... |
2,370
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LINEAR POS... |
4,020
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LIN POS AD... |
2,030
In-stock
|
Inquiry | ||
|
National Semiconductor | LM2937 500 MA LOW DRO... |
4,110
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LINEAR 5V 5... |
4,890
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LIN FIXED ... |
4,110
In-stock
|
Inquiry | ||
|
National Semiconductor | LM140LQML MILITAR... |
4,910
In-stock
|
Inquiry | ||
|
National Semiconductor | LM120QML MILITARY... |
6,990
In-stock
|
Inquiry | ||
|
National Semiconductor | LP3855 1.5A FAST RES... |
1,280
In-stock
|
Inquiry | ||
|
National Semiconductor | LM79L SERIES 3-TER... |
4,170
In-stock
|
Inquiry | ||
|
National Semiconductor | LP2992 MICROPOWER ... |
2,800
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LINEAR FIX... |
2,720
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LIN POS AD... |
5,000
In-stock
|
Inquiry | ||
|
National Semiconductor | LP5951 MICROPOWER ... |
3,120
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LIN FIXED ... |
6,980
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LIN POS AD... |
4,540
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LINEAR 1.2V... |
1,710
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LIN 1.2V 3A D... |
5,100
In-stock
|
Inquiry | ||
|
National Semiconductor | IC REG LIN POS AD... |
6,570
In-stock
|
Inquiry |