The TD62003AFG(O,S,EL) is a high-voltage, high-current sink driver array manufactured by Toshiba Semiconductor and Storage. This device is designed for driving inductive loads such as relays, solenoids, and stepper motors, as well as incandescent lamps and LED displays. It consists of seven independent darlington driver circuits, each capable of sinking up to 500mA and withstanding voltages up to 50V. The device includes internal suppression diodes for inductive load driving, simplifying circuit design and reducing external component count.

Applications:

  
• Relay drivers
  
• Solenoid drivers
  
• Stepper motor drivers
  
• LED display drivers
  
• Logic buffers
  
• Line drivers
  
• High-side switching

Features:

  
• Seven independent darlington drivers
  
• High output voltage: 50V (min)
  
• High output current: 500mA (max) per driver
  
• Internal suppression diodes for inductive loads
  
• TTL/CMOS compatible inputs
  
• Low saturation voltage
  
• Available in surface mount package (SOP-18)

Benefits:

  
• Simplified circuit design due to internal suppression diodes
  
• Direct interface with TTL/CMOS logic
  
• High drive capability for a variety of loads
  
• Reduced component count, saving board space and cost
  
• Improved system reliability
  
• Easy to use and implement

Additional Details:

The TD62003AFG(O,S,EL) operates from a single power supply. Each driver consists of a darlington transistor configuration that allows for high current sinking capability with low input drive current. The device is protected against inductive kickback by the integrated suppression diodes, which clamp the voltage spikes generated when switching inductive loads. The input pins are compatible with both TTL and CMOS logic levels, allowing for easy integration with a wide range of control circuits. The device is supplied in a small outline package (SOP), suitable for surface mount assembly.

The driver's low saturation voltage ensures efficient power transfer to the load, minimizing power dissipation and improving overall system efficiency.  The high output voltage and current capabilities make it suitable for driving a wide range of inductive and resistive loads. The device is designed for applications requiring reliable and efficient high-side or low-side switching. It provides a robust solution for driving relays, solenoids, and other similar loads in industrial, automotive, and consumer electronic applications.