HT2040A - Christmas Light Controller

The HT2040A is a low cost, low power CMOS LSI chip designed for use in Christmas lighting control products.

It provides 4 SCR outputs to control the lamps.

The lamps can display up to 10 different groups of lighting patterns, where each pattern or pattern group is chosen by appropriate input keys.

• Operating voltage: 4.5V~5.5V 4 SCR direct drive outputs 10 different groups of lighting patterns Up to 8 patterns for each group Demonstration function One key activation function.
• Up to 23 patterns can be programmed inside Built-in PLL circuit 50Hz or 60Hz AC power supply.