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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
BQ27742YZFR-G1 Texas Instruments
IC BATT FUEL GAUG...
1,090
In-stock
Inquiry
BQ29410DCTT Texas Instruments
IC BATT PROT LI-I...
6,930
In-stock
Inquiry
BQ29412DCTT Texas Instruments
IC BATT PROT LI-I...
2,390
In-stock
Inquiry
BQ27Z561YPHT Texas Instruments
IC BATT FUEL LI-I...
5,690
In-stock
Inquiry
BQ24773RUYR Texas Instruments
IC BATT MFUNC MUL...
6,600
In-stock
Inquiry
BQ7693006DBTR Texas Instruments
IC BATT MON MULTI...
1,940
In-stock
Inquiry
BQ25887RGER Texas Instruments
IC BAT BALANCER L...
2,910
In-stock
Inquiry
BQ4050RSMR Texas Instruments
IC BATT MFUNC LI-...
7,710
In-stock
Inquiry
TPS65023BRSBT Texas Instruments
IC BAT PWR MGMT L...
7,850
In-stock
Inquiry
BQ24773RUYT Texas Instruments
IC BATT MFUNC MUL...
1,110
In-stock
Inquiry
TPS650245RHBT Texas Instruments
IC BAT PWR MGMT L...
2,000
In-stock
Inquiry
BQ4050RSMT Texas Instruments
IC BATT MFUNC LI-...
5,660
In-stock
Inquiry
BQ27425YZFT-G1 Texas Instruments
IC FUEL GAUG COBL...
7,330
In-stock
Inquiry
BQ27541DRZT-V200 Texas Instruments
IC BATT FUEL GAUG...
7,320
In-stock
Inquiry
BQ27541DRZT-G1 Texas Instruments
IC BATT FUEL GAUG...
7,630
In-stock
Inquiry
BQ27741YZFT-G1 Texas Instruments
IC FUEL GAUGE LI-...
1,200
In-stock
Inquiry
TPS65022RHAT Texas Instruments
IC BAT PWR MGMT L...
3,100
In-stock
Inquiry
BQ27510DRZT-G2 Texas Instruments
IC BATT FUEL GAUG...
3,930
In-stock
Inquiry
BQ40Z50RSMR Texas Instruments
IC BATT MFUNC LI-...
2,340
In-stock
Inquiry
BQ7693002DBT Texas Instruments
IC BATT MON MULTI...
5,910
In-stock
Inquiry