TPS61150DRCT Integrated Circuits (ICs)

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The TPS61150DRCT is a boost LED driver dedicated to LED illumination applications which need to drive multiple LEDs in series. It is an ultra-low component count boost LED driver for the latest green light applications. The driver supports maximum 20V input voltage and maximum 50V output voltage. It also supports 1.8 MHz switching frequency. In addition, it is especially convenient for automotive illumination applications.

The TPS61150DRCT application field is mainly used for powering and illuminating multiple LEDs in series. It is suitable for interior lighting, automotive lighting, machine vision systems, rear lights, chassis lighting, atmospheric lighting, sign applications, trophy displays, gaming systems and portable medical equipment, etc. It can also help achieve environmental friendliness and energy savings. The output voltage of the TPS61150DRCT is implemented in various architectures such as buck, boost, flyback, buck-boost and single-stage solutions.

The working principle of TPS61150DRCT is a boost LED driver. The device has a built-in Discontinuous Conduction Mode (DCM). Its operation is controlled by the user-selectable frequency key input (FKI). When the LED current is gradually turned off, the LED current is allowed to extend beyond the LED threshold current. The LED current also turns off in the same direction as the boost current.

The TPS61150DRCT is also equipped with selectable operating temperature-based current regulation, protects against operating temperature at low input voltage and low load, and is able to detect open LED. The device has a 1.8 MHz PWM dimming input and a 0-10V input option, respectively. This ensures a smooth and linear dimming response. It also provides over-voltage protection, a start-up without a load, and thermal protection, among other features.

The TPS61150DRCT is a small, low cost, low pin count, and high power supply efficiency device. It is designed to drive up to four parallel strings. The device integrates all the necessary components, including MOSFET, along with control logic, PWM logic and temperature sensing circuitry, among others, to provide a complete solution. In addition, its high efficiency reduces the number of additional components, like power inductors and output capacitors, required for lamp applications.

The TPS61150DRCT is an appealing boost LED driver for applications needing multiple LEDs in series. It offers high efficiency, low cost, easy installation, and top-level features. The device is suitable for demanding applications that require efficient and reliable LED illumination solutions.

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