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Product Detailed Parameters
- Description：IC PHOTOFLASH CAP CHARGER 16QFN
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR)
- Applications：Photoflash Capacitor Charger
- Current - Supply：-
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN Exposed Pad
- Supplier Device Package：16-QFN/MLP (3x3)
- Grade：-
- Qualification：-
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Overview
The A8427EESTR-T is a dedicated photo-flash capacitor charger integrated circuit manufactured by Allegro MicroSystems. Designed for camera flash applications, it operates within a supply voltage range of 3V to 5.5V. The device is housed in a 16-WFQFN package with an exposed pad, specifically identified as a 16-QFN/MLP (3x3) footprint. It supports surface-mount installation and is supplied in tape and reel packaging.
Feature Summary
- Dedicated controller architecture optimized for charging high-voltage capacitors in camera flash systems
- Integrated power stage suitable for compact mobile and consumer electronic designs
Applications
- Camera flash capacitor charging
- Mobile phone camera modules
- Compact digital imaging devices
Procurement Notes
Verify the specific suffix EESTR-T against official datasheets to confirm package type and reel specifications. Confirm current lifecycle status as discontinued or obsolete before finalizing design-in decisions. Ensure compatibility with existing board layouts regarding the 16-QFN footprint dimensions and thermal requirements.
Selection Notes
Select this component when designing camera flash circuits requiring a dedicated charge pump solution within a 3V to 5.5V input range. Consider the 16-QFN package size constraints and thermal dissipation needs. Evaluate alternative active components if long-term availability is critical, given its discontinued status.
Part Context
This part belongs to Allegro MicroSystems' portfolio of power management ICs, specifically targeting the specialized niche of flash energy storage. It complements their broader range of motor drivers and LED controllers by addressing the unique high-voltage transient requirements of photographic equipment.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. As the part is listed as discontinued, engineers should consult Allegro MicroSystems for potential last-time buys or recommended modern equivalents with compatible pinouts and electrical characteristics.
