The DM13C from Silicon Touch is a 16-bit constant current LED driver with error detection. It is specifically designed for LED display applications and incorporates shift registers, data latches, and constant current circuitry on a single chip. The DM13C is a CMOS device with a maximum output current value of all 16 channels that is adjustable by a single external resistor. It also has built-in open/short detection circuits to help users detect LED failures. System retrieve the error messages to indicate which channel has failure by serial output data. The thermal shutdown function provides the over temperature protection.

The DM13C has a wide range of features, including:

Constant-current outputs: 5mA to 90mA adjustable by one external resistor Maximum output voltage: 17V Maximum clock frequency: 25MHz Built-in real-time LED open/short detection Fast detecting response: 0.1us (min.) Over temperature protection: thermal shutdown (junction temperature > 180°C) Package and pin assignment compatible to conventional LED drivers (ST2221C, DM134/5/6) Power supply voltage: 3.3V to 5.5V Bit-to-bit skew : ±3% @ 25mA~90mA Chip-to-chip skew : ±6% @ 25mA~90mA ±6% @ 5mA~25mA ±10% @ 5mA~25mA The DM13C is available in a variety of package types, including DIP24, SOP24, SOP24B, SSOP24, TSSOP24 (with exposed pad), and QFN32 (with exposed pad).

The DM13C is a versatile LED driver that can be used in a wide range of applications, including:

Indoor/Outdoor LED Video Display LED Variable Message Signs (VMS) System LED Traffic Lights LED Street Lights LED Backlight Displays LED Architectural Lighting LED Automotive Lighting The DM13C is a reliable and high-performance LED driver that offers a number of advantages over other LED drivers on the market. Some of these advantages include:

High efficiency: The DM13C has a high efficiency of over 90%, which means that less power is wasted as heat. Low power consumption: The DM13C has a low power consumption, which helps to reduce operating costs. High accuracy: The DM13C has a high accuracy of ±3% bit-to-bit skew and ±6% chip-to-chip skew, which ensures that all LEDs are driven evenly and consistently. Wide operating temperature range: The DM13C has a wide operating temperature range of -40°C to +85°C, which makes it suitable for use in a variety of environments. Easy to use: The DM13C is easy to use and requires only a few external components. Overall, the DM13C is a high-quality LED driver that offers a number of advantages over other LED drivers on the market. It is a reliable and versatile device that can be used in a wide range of applications.

Here are some additional details about the DM13C's error detection and thermal shutdown features:

The DM13C's open/short detection circuits can detect LED failures in real time. This is done by monitoring the voltage across each LED. If the voltage is too high or too low, then the DM13C will flag the corresponding LED as being faulty. The DM13C's thermal shutdown feature protects the device from overheating. If the junction temperature of the DM13C exceeds 180°C, then the device will automatically shut down. This helps to prevent damage to the DM13C and other components in the system. The DM13C is a valuable tool for anyone who is working with LED displays. It is a reliable and versatile device that offers a number of features that make it ideal for a wide range of applications.