ULN2004D1013TR

The ULN2004D1013TR is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics. It is designed to drive inductive loads such as relays, solenoids, and motors, making it a versatile component in various applications, including industrial automation, automotive systems, and consumer electronics.

Key Features:

1. Configuration: The ULN2004 consists of four independent Darlington pairs, which are arranged in a single package. Each pair can be used to drive a load, allowing for multiple outputs from a single IC.

2. Voltage and Current Ratings: The device can handle a maximum output voltage of 50V and a continuous output current of up to 500mA per channel. This makes it suitable for driving a wide range of loads.

3. Input Compatibility: The ULN2004 is designed to accept standard TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels, making it easy to interface with microcontrollers and other digital logic devices.

4. Built-in Flyback Diodes: Each output channel is equipped with a built-in flyback diode, which protects the circuit from voltage spikes generated when inductive loads are switched off. This feature enhances the reliability and longevity of the device.

5. Thermal Performance: The ULN2004 is housed in a standard 16-pin DIP (Dual In-line Package) or surface-mount package, allowing for efficient heat dissipation. The thermal characteristics of the package ensure that the device operates reliably under various conditions.

6. Pin Configuration: The pinout of the ULN2004 includes inputs for each of the four channels, as well as common ground and output pins. The typical pin configuration allows for straightforward integration into circuit designs.

7. Applications: Common applications for the ULN2004 include driving relays in automation systems, controlling motors in robotics, and switching lights in home automation systems. Its versatility makes it a popular choice among engineers and hobbyists alike.

Electrical Characteristics:

• Supply Voltage (VCE): Up to 50V
• Output Current (IC): Up to 500mA per channel
• Input Voltage (VIN): Typically 2.4V to 5V for logic high
• Output Saturation Voltage (VCE(sat)): Typically around 1.5V at maximum load

Conclusion:

The ULN2004D1013TR from STMicroelectronics is a robust and efficient solution for driving high-current loads in various electronic applications. Its combination of high voltage and current handling capabilities, along with built-in protection features, makes it an ideal choice for designers looking to simplify their circuit designs while ensuring reliable operation.