AMS AS3647-ZWLT 1600mA High Current LED Flash Driver

Features

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FEATURES

High efficiency 4MHz fixed frequency DCDC Boost

converter with soft start allows small coils

- Stable even in coil current limit

LED current adjustable up to 1600mA

Automatic current adjustment for low battery voltage

PWM operation for lower output current for reliable

light output of the LED; running at 31.25kHz to avoid audible noise

Protection functions:

Automatic Flash Timeout timer to protect the LED(s)

Overvoltage and undervoltage Protection

Overtemperature Protection

LED short/open circuit protection

I2C Interface with automatic shutdown

5V constant voltage mode operation

Available in tiny WL-CSP Packages, 13 balls 0.5mm

pitch 2.25x1.5x0.6mm, 15 balls 0.4mm pitch

2.25x1.5x0.5mm package size

Applications

Flash/torch/videolight for smartphones, feature-phones,tablets, DSCs, DVCs