The STCS1A is a BiCMOS constant current source designed to provide a precise constant current starting from a varying input voltage source. The main target is to replace discrete components solution for driving LEDs in low voltage applications such as 5 V, 12 V or 24 V giving benefits in terms of precision, integration and reliability. The current is set with external resistor up to 1.5 A with a ± 10 % precision; a dedicated pin allows implementing PWM dimming. An external capacitor allows setting the slope for the current rise from tens of microseconds to tens of milliseconds allowing reduction of EMI. An open-drain pin output provides information on load disconnection condition.
The STCS1A is a BiCMOS constant current source designed to provide precise current starting from a varying input voltage source. It is intended to replace discrete component solutions for driving LEDs in low voltage applications such as 5 V, 12 V, or 24 V, offering benefits in precision, integration, and reliability. The device features a maximum input voltage of 40 V and an output current capability of up to 1.5 A.
| Output current | Up to 1.5 A |
|---|---|
| Supply voltage range | 4.5 V to 40 V |
| Thermal shutdown temperature | 155 °C |
| Junction temperature range | -40 to 150 °C |
The device supports an output current of up to 1.5 A.
Yes, it includes a dedicated PWM dimming pin.
The supply voltage range is from 4.5 V to 40 V.