The TD62084CP 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 stepping motors. It features eight independent darlington transistor pairs, each capable of sinking up to 500mA and withstanding voltages up to 50V. The TD62084CP is especially suitable for applications requiring high drive capability and robust performance in harsh environments.
Applications:
- Driving relays in industrial control systems.
- Operating stepping motors in automation equipment.
- Actuating solenoids in automotive applications.
- Controlling LED displays requiring high current.
- Interfacing between low-voltage logic circuits and high-voltage loads.
Features:
- Eight independent Darlington transistor pairs.
- High output voltage: up to 50V.
- High output current: 500mA per channel.
- Input clamp diodes for inductive load protection.
- TTL and 5V CMOS logic compatible inputs.
- Low saturation voltage.
- Available in DIP-18 package.
Benefits:
- Simplified interface between logic circuits and high-power loads.
- Robust protection against inductive kickback.
- High drive capability for demanding applications.
- Reduced component count and board space.
- Improved system reliability.
Additional Details:
The TD62084CP operates over a wide temperature range, making it suitable for industrial environments. The input clamp diodes provide essential protection when driving inductive loads, preventing voltage spikes from damaging the driver. The device's compatibility with both TTL and CMOS logic allows for easy integration with a variety of microcontrollers and digital circuits. The DIP-18 package facilitates straightforward through-hole mounting on PCBs. The low saturation voltage minimizes power dissipation, improving efficiency and reducing heat generation.
Specifically, the device incorporates built-in input resistors, further simplifying external circuitry. The maximum collector-emitter voltage is rated at 50V, and the peak inrush current is limited to 1A per channel. It's also important to consider appropriate heat sinking depending on the application's load and ambient temperature to ensure reliable operation within the device's thermal limits.