The TD62387AFN is a high-voltage, high-current sink driver array manufactured by Toshiba Semiconductor and Storage. This integrated circuit is designed to drive inductive loads such as relays, solenoids, and stepping motors. It is commonly used in applications requiring reliable and efficient control of these loads, such as in industrial equipment, automotive systems, and consumer electronics. The device offers integrated protection features and simplified interfacing with logic circuits, making it a versatile solution for various driving applications.

Applications

• Relay drivers
• Solenoid drivers
• Stepping motor drivers
• Lamp drivers
• Logic buffers
• Line receivers
• Industrial control systems
• Automotive electronics

Features

• High output voltage: 50V (min)
• High output current: 500mA per channel
• Input voltage: 3.3V/5V
• Output clamp diodes for inductive load driving
• TTL and 5V CMOS logic compatible inputs
• Built-in thermal shutdown protection
• Built-in overcurrent protection
• SOIC-16 package

Benefits

• Simplified circuit design: Integrates eight channels into a single package, reducing component count and board space.
• Enhanced reliability: Built-in protection against overvoltage, overcurrent, and thermal overload ensures stable operation in harsh environments.
• Easy interface with logic circuits: TTL and CMOS compatible inputs enable direct connection to microcontrollers and logic devices.
• High driving capability: Suitable for driving a wide range of inductive loads due to its high output voltage and current capabilities.
• Cost-effective solution: Integrated clamp diodes eliminate the need for external protection components.

Additional Details

The TD62387AFN comprises eight independent sink driver channels, each equipped with an output clamp diode to protect against voltage transients when driving inductive loads. It's housed in a SOIC-16 package. The input pins are designed to be compatible with both TTL and 5V CMOS logic levels, providing flexibility in system design. The built-in thermal shutdown feature protects the device from overheating by disabling the outputs when the junction temperature exceeds a safe limit. Overcurrent protection limits the output current, safeguarding both the driver and the load from potential damage caused by short circuits or excessive current. The 'N' suffix often indicates that the device is lead-free and RoHS compliant. The TD62387AFN is commonly used in industrial control systems, automotive systems, and consumer electronics where reliable and efficient inductive load driving is critical.