STP16CPS05B1R

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The STP16CPS05B1R is a PMIC – LED Drivers manufactured by STMicroelectronics. It is a low power, low cost, high efficiency, PWM-controlled 16-channel constant current sink driver. This device allows for full customization of the output current with excellent efficiency, while occupied minimal PCB surface area. The STP16CPS05B1R is adopted widely in various application fields, such as automotive, industrial, medical and consumer electronics due to its convenient features.

The smart strength of the STP16CPS05B1R is its wide range of applications. It is widely used in automotive applications, such as automotive exterior lighting, interior lighting and door lighting; it is also perfect for industrial applications, such as HVAC, medical appliance and machine automation. The device can be employed for commercial applications, such as desk accesstories and digital signage. In the consumer electronics field, a large number of portable devices like smartphones, gaming equipment and tablets are containerized with the STP16CPS05B1R.

Another impressive feature is the STP16CPS05B1R’s working principle. It adopts pulse-width modulation (PWM) and constant current sink technology to control the output current during operation. Generally, the current setting is controlled by two external resistors, R1 and R2. R1 reduces the frequency of the PWM signal and R2 adjusts the duty cycle of the PWM signal. The PWM signal is constantly compared with the internal reference current, and the output sinks the difference resulting in a stable current regulation. In addition, the current regulation scheme ensures that the output luminance is maintained constantly over a wide input voltage range.

What’s more, the STP16CPS05B1R has built-in protection circuitry. It has open circuit detection (OCD), under voltage lockout (UVLO), thermal shutdown (TSD) and particular protection against input reverse polarity. Also, advanced embedded fault diagnosis assists designers in optimizing their system reliability. The STP16CPS05B1R also offers adjustable soft-start and restart delay time, as well as adjustable PWM frequency, enable designers to customize the device to fit their specific applications.

The STP16CPS05B1R is ideal for driving multiple LEDs. It features a wide operating temperature range, up to 90 °C. The device offers a choice of fixed and adjustable output current levels, from 16mA to 350mA. The device has a high efficiency of up to 90%, providing up to 3A of output current per channel. Additionally, it also supports a wide input voltage range from 4.5V to 36V and is able to take up to 36V across the GPIOs.

Overall, the STP16CPS05B1R offers a wide range of applications and excellent features, making it a favored choice among designers. Its simpler operation, high efficiency, low power consumption and wide input voltage range make it a great device for LED driving applications. In summary, the STP16CPS05B1R is a suitable choice for applications that require well-controlled LED lighting with minimized PCB space and easy integration.

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