PDF, 3.0 Mb, Language: en, Revision: 1.10, File published: Apr 11, 2019, Pages: 86
16×16 Constant Current LED Driver
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16×16 Constant Current LED Driver HT16D33A/HT16D33B Revision: V1.10 Date: April 11, 2019 HT16D33A/HT16D33B
16×16 Constant Current LED Driver Table of Contents
Features. 4
Applications. 4
General Description. 5
Selection Table. 5
Block Diagram. 5
Pin Assignment. 6
Pin Description. 8
Approximate Internal Connections. 8
Absolute Maximum Ratings. 9
D.C. Characteristics. 9
A.C. Characteristics. 10 A.C. Characteristics - SPI 3-wire Serial Bus. 11
A.C. Characteristics - I2C Serial Bus. 11 Timing Diagrams. 12 SPI 3-wire Serial Bus Timing.12
I2C Bus Timing.12
Power on Reset Timing.12 Functional Description. 13 Power-on Reset.13
LED Driver.13
System Oscillator.13
Driver Outputs.13
Address Pointer.13 Open/Short Detection Function. 14 Over Temperature Protection.17
Constant Current Output.17
Load Supply Voltage - LED_VDD.18
Display Data RAM - DDRAM.18
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