The U2008B is a phase-control circuit in bipolar technology, with features including full wave current sensing, compensated mains supply variations, variable soft start or load-current sensing, voltage and current synchronization, switchable automatic retriggering, triggering pulse typically 125 mA, and internal supply-voltage monitoring. It is suitable for low-cost motor control and domestic appliance applications.
The Atmel U2008B is a bipolar technology integrated circuit designed as a phase-control circuit. It enables load-current detection and mains-compensated phase control, making it suitable for low-cost motor control applications in domestic appliances with overload protection.
Key features include compensated mains supply variations, variable soft start or load-current sensing, voltage and current synchronization, switchable automatic retriggering, and internal supply-voltage monitoring. The device operates with a typical trigger pulse of 125 mA.
| Supply Voltage (V5) | 14.5 to 16.8 V |
|---|---|
| Current Requirement | 3.0 mA |
| Output-pulse current | Typically 125 mA |
| Output-pulse width | 30 us (typical) |
| Storage temperature range | -40 to +125 °C |
Preferred applications include low-cost motor control, domestic appliances, and systems requiring load-current feedback with overload protection.
The device provides a switchable automatic retriggering function with a trigger pulse of typically 125 mA.
Yes, it enables variable soft start or load-current sensing to guarantee a gentle start-up for the motor.