LED Display Screen Repair Tool LED Driver ICs SUM2017TD SUM2023 1000 pcsSUM2017TD Two levels Cache driver Built in Two Level Cache Higher LED utilization ratio Optimized Lower grey process Best white balance, and color restoration Excellent output current accuracy Bit to Bit Chip to Chip: 2. 5% (Max) Built in Eliminate Ghost High refresh rate, High grayscale, ghost free Build in 6bit liner stage current Gain Brightness adjustment maintain Color Temperature Build in Programmable Lower knee voltage(LKV) Smart Low power