The TLP2098 is a high-speed, high-CMR (Common Mode Rejection) isolated gate driver manufactured by Toshiba Semiconductor and Storage. This device utilizes optical isolation to provide galvanic isolation between the input control signal and the output gate drive signal. It's designed for driving IGBTs (Insulated Gate Bipolar Transistors) and MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) in a variety of power electronics applications.
Applications
- Inverter circuits: Solar inverters, motor drives, and uninterruptible power supplies (UPS).
- Power factor correction (PFC) circuits: Improving power quality and efficiency.
- Isolated DC-DC converters: Providing galvanic isolation in power supplies.
- Induction heating systems: Controlling power to induction heating coils.
- Welding equipment: Providing isolation and control for welding processes.
Features
- High-speed switching: Enables efficient operation of power devices.
- High common-mode transient immunity (CMTI): Prevents false triggering due to noise and transients.
- High isolation voltage: Provides robust electrical isolation between the input and output.
- Under-voltage lockout (UVLO) protection: Protects the power devices from damage during low-voltage conditions.
- Over-current detection: Protects the power devices from over-current conditions.
- Short propagation delay: Reduces dead time and improves efficiency.
Benefits
- Improved system efficiency: High-speed switching and short propagation delay minimize switching losses.
- Enhanced system reliability: UVLO protection and over-current detection protect the power devices from damage.
- Increased safety: High isolation voltage provides robust electrical isolation.
- Simplified circuit design: The integrated features simplify circuit design and reduce component count.
- Reduced electromagnetic interference (EMI): Optical isolation minimizes noise coupling.
Additional Details
The TLP2098 typically provides a peak output current of several amperes. The supply voltage is typically in the range of 15V to 30V. The propagation delay is typically in the range of a few hundred nanoseconds. The isolation voltage is typically 5000 Vrms. It is available in various packages, such as SOIC-8 and DIP-8. The operating temperature range is typically -40°C to +125°C.