IS31FL3224 - Lumissil

IS31FL3224 24-CHANNEL LED DRIVER

IS31FL3224 is an LED driver with 24 high voltage (16V) constant current channels. Each channel can be pulse width modulated (PWM) with 7-bit/8-bit precision for smooth LED brightness control. The maximum output current of each channel is designed to be 40mA, which can be adjusted by three 7-bit/8-bit global control registers group (one group for R for CS 3×n.

Features

• VCC= 3.0V to 5.5V
• Support 24 constant current channels, tolerate up to 18V, nominal operation voltage up to 16V
• Constant-current output range: 40mA
• Current output range (open drain (OD) mode): 100mA× 24 channels
• Interface (MODE pins) - DSB (Daisy Chained Serial Bus, 2MHz) - HSB (High Speed Series Bus: 10MHz) - SPI (12MHz) - I2C (1MHz)
• For DSB and HSB - Built-in PWM generator: 7-bit/ch - 7-bit × 3 global current adjustment
• For SPI and IIC - Built-in PWM generator: 8-bit/ch - 8-bit × 3 global current adjustment
• Power noise reduction method - 4-groups delay to minimize the power r.