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.

Slope control with external cap
LED disconnection diagnostic
Up to 40 V input voltage
Up to 1.5 A output current
Less than 0.5 V voltage overhead
Shutdown pin
PWM dimming pin
Applications
LED constant current supplying for varying input voltages
Low voltage lighting
Small appliances LED lighting
Car LED lights

Units	Per unit
625 - 1249	HK$22.20
1250 +	HK$21.80

Select all	Attribute	Value
	Brand	STMicroelectronics
	Package Type	SO
	Display Type	LED
	Number of Pins	8
	Supply Voltage	2.7 → 5.5 V
	Maximum Supply Current	1.5A
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	+150°C
	Mounting Type	Surface Mount
	Width	4mm
	Height	1.55mm
	Length	5mm

	Select all
	Brand STMicroelectronics
	Package Type SO
	Display Type LED
	Number of Pins 8
	Supply Voltage 2.7 → 5.5 V
	Maximum Supply Current 1.5A
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature +150°C
	Mounting Type Surface Mount
	Width 4mm
	Height 1.55mm
	Length 5mm

STMicroelectronics STCS1APHR SO Display Driver, 8 Pin, 2.7 → 5.5 V

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