The TD62318AF is a high-voltage source driver array IC manufactured by Toshiba Semiconductor and Storage. It is designed to drive inductive loads such as relays, solenoids, and LED displays. The device integrates clamping diodes to protect the outputs from voltage surges when switching inductive loads.

Applications

• Relay driving
• Solenoid driving
• LED display driving
• Logic buffer
• Power driver

Features

• High output voltage: 50 V
• High output current: 500 mA / channel
• Built-in clamping diodes for inductive load driving
• Input compatible with TTL and 5 V CMOS
• Low saturation voltage
• 8 channels per package

Benefits

• Provides a robust and reliable interface between low-voltage logic and high-voltage loads.
• Simplifies circuit design with integrated clamping diodes.
• Reduces external component count, saving board space and cost.
• Enables efficient driving of inductive loads with minimal power dissipation.
• Easy to interface with various logic circuits.

Additional Details

The TD62318AF contains eight independent source drivers. Each driver consists of an input, an output, and a clamping diode connected between the output and the supply voltage. The clamping diodes are essential for protecting the device from voltage spikes generated by inductive loads during switching. The device is designed to be compatible with both TTL and 5V CMOS logic levels. It offers a low saturation voltage, ensuring efficient power delivery to the load. The TD62318AF is available in a 20-pin SOP (Small Outline Package). The operating temperature range is -40°C to +85°C.