Key facts
- Brand
- STMicroelectronics
- Model
- STCS1
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2023-10-20
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STMicroelectronics STCS1 Constant Current Controller User Manual
This document is a user manual for the STCS1 constant current controller, specifically focusing on the STCS1A evaluation board. It describes the device's function as a BiCMOS controller designed to supply high power LEDs with precise constant current, suitable for automotive and industrial applications. The manual details the board's configuration, including input/output connections and setup procedures for continuous current and PWM dimming modes.
Read onlineSTMicroelectronics STCS1 specifications
| Input voltage range | 4.5 V to 40 V |
|---|---|
| Maximum input voltage rating | 45 V |
| Output current precision | ±10% |
| Maximum output current | 1.5 A |
| Shutdown current consumption | less than 1 µA |
| PWM dimming frequency range | 20 Hz up to 1.7 kHz |
Source: STMicroelectronics STCS1 Constant Current Controller User Manual
All STMicroelectronics STCS1 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the minimum input voltage for the evaluation board?
The minimum input voltage depends on the total forward voltage of the LEDs and the maximum dropout voltage.
From: STMicroelectronics STCS1 Constant Current Controller User Manual
How do you enable the controller on the evaluation board?
Short the EN pin to the 5 V pin on the J2 connector to enable the controller.
From: STMicroelectronics STCS1 Constant Current Controller User Manual
How is the output current set?
The current is set with an external sensing resistor connected to the FB pin, where the feedback voltage is 100 mV.
What is the maximum output current?
The device supports an output current range of 1 to 1500 mA.
What is the input voltage range for the STEVAL-ILLO14V1 evaluation board?
The board accepts an input voltage ranging from 4.5 V to 40 V.
What is the maximum output current the board can provide?
The board is capable of delivering up to 1.5 A of output current.