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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
BQ20Z75DBTR-V160G4 Texas Instruments
IC GAS GAUGE LI-I...
4,490
In-stock
Inquiry
BQ20Z80ADBT-V110G4 Texas Instruments
IC GAS GAUGE LI-I...
3,510
In-stock
Inquiry
BQ20Z90DBT-V150G4 Texas Instruments
IC GAS GAUGE FOR ...
3,090
In-stock
Inquiry
BQ20Z95DBTG4 Texas Instruments
IC GAS GAUGE LI-I...
3,910
In-stock
Inquiry
BQ24314ADSGRG4 Texas Instruments
IC BATT PROTECTI...
2,280
In-stock
Inquiry
BQ24381DSGRG4 Texas Instruments
IC BATT PROTECTI...
5,690
In-stock
Inquiry
BQ6400RGZT Texas Instruments
IC BATT MFUNC LI-...
6,600
In-stock
Inquiry
TPS65820RSHTG4 Texas Instruments
IC BATT MFUNC LI-...
7,950
In-stock
Inquiry
BQ24314DSJR Texas Instruments
IC BATT PROTECTI...
6,830
In-stock
Inquiry
BQ27500DRZR-V120G4 Texas Instruments
IC FUEL GAUGE LI-...
2,460
In-stock
Inquiry
BQ27500DRZT-V120G4 Texas Instruments
IC FUEL GAUGE LI-...
3,940
In-stock
Inquiry
BQ2944L0DRBR Texas Instruments
IC BATT PROT LI-I...
2,800
In-stock
Inquiry
BQ2944L9DRBR Texas Instruments
IC BATT PROT LI-I...
4,540
In-stock
Inquiry
BQ27520YZFT-G1 Texas Instruments
IC BATT GAS GAUGE...
1,170
In-stock
Inquiry
BQ27520YZFR-G1 Texas Instruments
IC BATT MON LI-IO...
7,050
In-stock
Inquiry
BQ2944L0DRBT Texas Instruments
IC BATT PROT LI-I...
5,080
In-stock
Inquiry
BQ2944L9DRBT Texas Instruments
IC BATT PROT LI-I...
3,270
In-stock
Inquiry
BQ27520YZFT-G2 Texas Instruments
IC BATT FUEL GAUG...
2,430
In-stock
Inquiry
BQ77910DBTR Texas Instruments
IC BATT LI-ION 4-10...
1,740
In-stock
Inquiry
BQ77908DBTR Texas Instruments
IC BAT MFUNC LI-I...
7,440
In-stock
Inquiry