• High voltage power CMOS technology is adopted
• The output port can withstand 24V
• Chip VDD external series resistor, voltage support 6~24V input
• Built-in power supply regulator circuit
• Gray level adjustment circuit (256 level gray level adjustable)
• Single line serial connector, through a signal line to complete the reception and decoding of data
• Oscillation mode: built-in double RC oscillation and clock synchronization according to the signal on the data line
• Built-in power-on reset circuit
• The PWM control terminal can realize 256 level adjustment, and the scanning frequency is not less than 400hz/s
• When the refresh rate is 30 frames /s, the number of subordinate links in low-speed mode is not less than 540 points, and that in high-speed mode is not less than 1080 points
• Data transmission speed 400Kbps and 800Kbps two modes are available
• Package format :SOP14

Pin definition

Pin function definition

Pin number	symbol	Pin name	Instructions
1	VDD	Logic power supply	5V±10%
2	SET	Mode setting	Connected to VDD: low speed mode; Hang in the air; High speed mode
3	DOUT	Data output	Display data cascade output
4	3OUTR	LED driver output	3rd Red PWM control output
5	3OUTG	LED driver output	3rd Green PWM control output
6	3OUTB	LED driver output	3rd Blue PWM control output
7	GND	logically	systematically
8	2OUTB	LED driver output	2nd Blue PWM control output
9	2OUTG	LED driver output	2nd Green PWM control output
10	2OUTR	LED driver output	2nd Red PWM control output
11	1OUTB	LED driver output	1st Blue PWM control output
12	1OUTG	LED driver output	1st Green PWM control output
13	1OUTR	LED driver output	1st Red PWM control output
14	DIN	Data entry	Display data entry

 

Power supply configuration

The resistance value of R1~R12 can be adjusted according to the number of leds connected to the OUT port. It is recommended that RI and RO be connected with 200~500 ohm resistors for signal isolation to prevent the influence of the next level chip damage on the upper level.

TM1809 can be configured as 6~24V voltage supply, but according to the input voltage, should be configured with different power supply resistance, the resistance value R list is as follows:

R supply voltage	It is recommended that a resistance be connected between the power interface and the VDD
6V	330
9V	2.3K
12V	4.5K
24V	12K

If you're not sure which IC is best for your project or need help with layout configuration, please call us at LIKELIGHT:+86-755-23328395, email :contact@like-light.com.We can provide you with complete design and manufacturing services to meet your specific needs and requirements.