The TD62803P is a high-voltage source driver array IC manufactured by Toshiba Semiconductor and Storage. Designed for a variety of applications, it provides a convenient interface between low-level logic signals and higher voltage, higher current loads. The integrated design includes features for protection and efficient operation.

Applications

  
• Relay Driving
  
• Solenoid Actuation
  
• Stepping Motor Control
  
• LED and Lamp Driving
  
• Logic Buffering
  
• Industrial Control Systems

Features

  
• High Output Voltage: Up to 50V
  
• High Output Current: 500mA per channel
  
• Built-in Clamp Diodes for Inductive Load Protection
  
• TTL and CMOS Compatible Inputs
  
• Eight Independent Channels
  
• DIP Package for easy prototyping

Benefits

  
• Simplified Interface: Directly connects low-level logic to high-power loads.
  
• Protection Against Inductive Kickback: Integrated clamp diodes protect the IC and other components from voltage spikes.
  
• Reduced Component Count: Integrates multiple driver circuits into a single package.
  
• Increased System Reliability: Robust design ensures dependable operation.
  
• Easy Implementation: DIP package allows for breadboard prototyping and easy integration into existing systems.

Additional Details

The TD62803P contains eight NPN Darlington transistor pairs, each capable of sourcing up to 500mA at a maximum voltage of 50V. The inputs are designed to be compatible with both TTL and CMOS logic levels. The integrated clamp diodes are crucial for protecting against voltage transients when driving inductive loads like relays and solenoids. The DIP (Dual In-line Package) makes it suitable for prototyping and through-hole PCB designs. This driver is frequently used in automation equipment, consumer electronics, and various embedded control applications. The operating temperature range is typically from -40°C to +85°C.