The HV803 from Supertex, Inc. is a monolithic high voltage, high current pulse generator intended for driving various loads such as piezoelectric transducers, inkjet print heads, and other capacitive loads. It integrates control logic, level translation, and high-voltage MOSFET output stages to deliver precisely timed pulses. It is designed to provide a cost-effective and compact solution for applications requiring high-voltage pulse generation.

Applications

• Piezoelectric Transducer Drivers: Used in medical ultrasound, sonar, and industrial inspection equipment.
• Inkjet Print Head Drivers: Enables precise droplet ejection in inkjet printers.
• Capacitive Load Drivers: Drives capacitive loads in various industrial and scientific applications.
• NDT (Non-Destructive Testing) Equipment: Used in ultrasonic testing systems.
• Medical Imaging: Driving transducers in ultrasound and other medical imaging devices.

Features

• High Voltage Output: Delivers high-voltage pulses for driving demanding loads.
• High Current Output: Provides sufficient current to quickly charge and discharge capacitive loads.
• Integrated Logic Control: Simplifies control and timing of pulse generation.
• Adjustable Pulse Width: Allows for precise control of pulse duration.
• Under-Voltage Lockout (UVLO): Protects the device from damage due to low supply voltage.
• Over-Temperature Protection (OTP): Prevents thermal damage to the device.
• Small Package Size: Enables compact system designs.

Benefits

• Precise Pulse Control: Accurate control over pulse width and timing for optimal performance.
• High Efficiency: Reduces power consumption and heat generation.
• Increased Reliability: Built-in protection features enhance device robustness.
• Simplified System Design: Integration of control logic and high-voltage drivers simplifies design process.
• Reduced Component Count: Single-chip solution reduces board space and cost.

Additional Details

The HV803 typically operates with a supply voltage ranging from 10V to 250V, enabling its use in various high-voltage applications. The output pulse width is adjustable, allowing precise control over the energy delivered to the load. The device incorporates internal protection features, such as under-voltage lockout and over-temperature protection, to ensure reliable operation under demanding conditions. The small package size makes it suitable for space-constrained applications. Common applications include driving piezoelectric transducers in medical ultrasound equipment, controlling inkjet print heads in printing systems, and driving capacitive loads in various industrial applications. The HV803 offers a compact and efficient solution for high-voltage pulse generation, making it a popular choice for a wide range of applications. The device is designed to deliver clean and well-defined pulses, ensuring optimal performance in sensitive applications.