IS31FL3749 Description
IS31FL3749 LOCAL DIMMING 24×4 MATRIX LED DRIVER GENERAL DESCRIPTIONS IS31FL3749 is a matrix LED driver with 24 high voltage (16V) constant current channels. It supports from one to four power scan to bee a 24×n (n=1~4) matrix LED driver. Each LED can be pulse width modulated (PWM) with maximum 16-bit precision for smooth LED brightness control.
IS31FL3749 Key Features
- Support 24 constant current channels, 60mA/ch
- Tolerate up to 20V, nominal operation voltage
- Built-in LDO to generate 4.8V supply for internal logic (option to float it and use external power)
- Interface
- VSB (video serial bus, 33MHz)
- SPI (33MHz)
- Reset register reset all the registers to default
- Support 8-bit, 16-bit, 8+4-bit dithering and 8+8bit dithering PWM mode
- Built-in Dot correction: 8-bit/dot
- 8-bit × 3 global current adjustment