The MP3332 is a dual-channels flash LED driver with very compact package, high efficiency for high-resolution camera phones to improve image and video quality in low light environment. The synchronous boost converter operates in 1/2/3/4MHz to provide an optimized solution for smaller PCB space and higher efficiency.
The MP3332 features standard I2C interface, dual LED channels, rich protection modes and high power density and performances. The MP3332 supports flash/assist light/torch/indicator/5V DC modes.
The cathodes of the dual flash LED are referenced to GND for better layout to improve thermal performance. It is available in WLCSP16-1.65X1.65mm package.
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Dual-channels, 1.5A/ch flash current with +/-7% accuracy
1/2/3/4MHz selectable switching frequency and switching frequency fold-back function
400kHz I2C compatible interface
Standby/Flash/Assist/Torch/Indicator/5V DC modes Flash Mode: Up to 1.5A programmable current with +/-7% accuracy for each LED Assist/Torch Mode: Up to 500mA/ch programmable current with +/-7% accuracy Indicator Mode: Work in 31.5kHz PWM operation with 2/16, 3/16, 4/16, 5/16 duty cycle 128ms/256ms/512ms selectable blinking time 5V DC Mode: Constant 5V DC Output
External Torch/Strobe Pin
LED forward voltage balance to improve efficiency
1A to 4.2A programmable input DC current limit protection
Low battery voltage protection
LED short/open protection
Over voltage protection
Over temperature protection
Input under voltage lockout protection
Available in WLCSP16-1.65X1.65mm
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