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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.

14,872 Records
Image Part Manufacturer Description Stock Action
CS3843AGDR14 onsemi
SWITCHING CONTRO...
5,280
In-stock
Inquiry
CS3844BGDR8 onsemi
SWITCHING CONTRO...
3,950
In-stock
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CS3845GD8 onsemi
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2,920
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SJE6429-001 onsemi
BIP T0220 PNP SPECI...
6,080
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CS3842AGD8 onsemi
SWITCHING CONTRO...
3,090
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Inquiry
LA7995M-TLM-E onsemi
CHARGE PUMP BASE...
3,070
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CS51311GD14 onsemi
SWITCHING CONTRO...
4,420
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NCP1230AD100R2 onsemi
SWITCHING CONTRO...
4,990
In-stock
Inquiry
UC2843AD1 REEL onsemi
ANA SMPS PWM CONT...
3,630
In-stock
Inquiry
NCP1230AP65G onsemi
SWITCHING CONTRO...
1,600
In-stock
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SC79021P-001 onsemi
ANA 100MA 5V LDO VR...
5,950
In-stock
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NCP1230AP100G onsemi
SWITCHING CONTRO...
2,580
In-stock
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CS3842BN8 onsemi
SWITCHING CONTRO...
6,850
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CS5127GDWR16 onsemi
DUAL SWITCHING C...
4,910
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CS52845EDR8 onsemi
SWITCHING CONTRO...
7,250
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CS3844GD8 onsemi
SWITCHING CONTRO...
7,030
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ADP3198001CPZR onsemi
SYNC BUCK CNTRLR...
4,110
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SR4475S onsemi
REC SURGE SUP SPE...
4,690
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CS51021AED16 onsemi
SWITCHING CONTRO...
2,220
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CS3972YDWR16 onsemi
SWITCHING CONTRO...
5,880
In-stock
Inquiry