PDF, 1.7 Mb, Language: en, Revision: 1.10, File published: Apr 11, 2019, Pages: 59
8×9 Constant Current LED Driver
Extract from the document
8×9 Constant Current LED Driver HT16D31A/HT16D31B Revision: V1.10 Date: April 11, 2019 HT16D31A/HT16D31B
8×9 Constant Current LED Driver Table of Contents
Features. 4
Applications. 4
General Description. 4
Selection Table. 5
Block Diagram. 5
Pin Assignment. 5
Pin Description. 6
Approximate Internal Connections. 6
Absolute Maximum Ratings. 7
D.C. Characteristics. 7
A.C. Characteristics. 8
A.C. Characteristics - SPI 3-wire Serial Bus. 9
A.C. Characteristics - I2C Serial Bus. 9
Timing Diagrams. 10 SPI 3-Wire Serial Bus Timing.10
I2C Bus Timing.10
Power on Reset Timing.10 Functional Description. 11 Power-on Reset. 11
LED Driver. 11
System Oscillator. 11
Driver Outputs. 11
Address Pointer. 11 Open/Short Detection Function. 12 Over Temperature Protection.13
Constant Current Output.13
…
