STMICROELECTRONICS STCS1APUR

STCS1APUR is a 1.5A max constant current LED driver in a 8 pin DFN package. It 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 5V, 12V or 24V giving benefits in terms of precision, integration and reliability. The current is set with external resistor up to 1.5A 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. Typical applications include LED constant current supplying for varying input voltages, low voltage lighting and small appliances LED lighting.