LP3943ISQEV

• The LP3943 is an integrated device capable of independently driving 16 LEDs.
• This device contains an internal precision oscillator that provides all the necessary timing required for driving each LED.
• Two prescaler registers along with two PWM registers provide a versatile duty cycle control.
• The LP3943 contains the ability to dim LEDs in SMBUS/I²C applications where it is necessary to cut down on bus traffic.
• Internal power-on reset
• Active low reset
• Internal precision oscillator
• Variable dim rates (from 6.25 ms to 1.6s; 160 Hz-0.625 Hz)

Key Specifications:

• 16 LED driver (multiple programmable states--on, off, input, and dimming at a specified rate)
• 16 Open drain outputs capable of driving up to 25mA per LED

Applications:

• Customized flashing LED lights for cellular phones
• Portable Applications
• Digital Cameras
• Indicator Lamps
• General purpose I/O expander
• Toys