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Product Detailed Parameters
- Description：IC LED DRV RGLTR I2C 6WLCSP
- Series：-
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：2
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：4.4V
- Voltage - Output：2.8V ~ 5.5V
- Current - Output / Channel：800mA (Flash)
- Frequency：4MHz
- Dimming：I2C
- Applications：Camera Flash
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-UFBGA, WLCSP
- Supplier Device Package：6-WLCSP (1.5x1.1)
- Grade：-
- Qualification：-
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Overview
The AS3647B-ZWLT-500 is a high-efficiency LED driver regulator designed for camera flash applications. It operates as a boost DC-DC converter with an internal switch, supporting output currents up to 800mA. The device features I2C programmable dimming control and functions within a supply voltage range of 2.7V to 4.4V. It utilizes a compact 13-WLCSP package (2.25x1.5mm) suitable for surface mount installation in mobile devices.
Feature Summary
- Integrated boost topology with internal power switch for efficient current regulation
- I2C interface enables precise digital control of flash intensity and timing
- Compact WLCSP footprint optimizes board space for mobile form factors
Applications
- Mobile phone camera flash illumination
- Tablet device auxiliary lighting
- Compact digital imaging systems requiring regulated LED drive
Procurement Notes
Verify the specific suffix 'ZWLT-500' against official ams OSRAM documentation to confirm exact binning, temperature grade, and reel specifications. Ensure compatibility with existing PCB footprints and I2C bus configurations before integration. Cross-reference datasheet revisions to validate pinout consistency and thermal performance characteristics.
Selection Notes
Select this component when a small form factor and digital I2C control are required for camera flash drivers. It is appropriate for designs needing integrated boost conversion without external inductors where space is constrained. Compare against alternative drivers based on maximum output current requirements and specific efficiency targets at low input voltages.
Part Context
This part belongs to the AS3647 series of LED regulators from ams OSRAM, specifically engineered for portable electronics. The series provides solutions for powering high-brightness LEDs in smartphones and tablets. The ZWLT-500 variant denotes specific packaging and handling attributes within this product line.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify electrical parameters and pin compatibility if considering cross-brand replacements.
