TPS92210D

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TPS92210D is a monolithic integrated circuit (IC) designed for driving LEDs in general purpose AC and DC input applications. It is built in an industrial-grade package, with excellent performance and low power dissipation. It is specifically designed for automotive and non-automotive illumination applications, with wide input voltage range and a preset maximum current of 2.5A.

TPS92210D is a PMIC – LED drivers that provide high forward voltage accuracy and low quiescent current, have excellent EMI immunity, low thermal resistance, and low operating voltage. It integrates a synchronous rectifier and a voltage control output stage, making it suitable for a wide range of automotive and non-automotive applications such as those found in high-power LED lamps, signage, decorative lighting, automotive interior application, and automotive exterior applications.

The working principle of the TPS92210D LED drivers is based on a synchronous rectification paired with a voltage control output stage. The synchronous rectification is used to provide a regulated output voltage while the voltage control output stage provides a constant current output to drive the LEDs. The voltage control output stage consists of two integrated current sources that are connected in series. The current sources are connected in parallel and can be adjusted to provide the desired maximum current.

The voltage across the two current sources is monitored and when the voltage drops below a certain level, the current sources are adjusted to maintain a constant output current. During light load operation, the voltage control output stage reduces the maximum current to provide better efficiency and reduce heat dissipation.

The TPs92210D LED drivers are designed to work with a wide range of voltage and current levels and can be used to drive a variety of one-channel and multi-channel LED configurations. It is easy to use and can support both AC and DC input voltages. It is also designed with a built-in fault protection feature, which helps to detect short circuits in the load, as well as providing thermal shutdown and open-circuit protection. The TPs92210D is also designed to be highly efficient and has a switching frequency of 600 kHz.

In summary, the TPS92210D is an efficient IC for driving LEDs in general purpose AC and DC applications. The integrated synchronous rectification and voltage control output stage allows for accurate output voltage and current regulation. The built-in fault protection helps to detect short circuits, as well as providing thermal shutdown and open circuit protection. The IC also has a wide input voltage range and can support both AC and DC input voltages. Overall, it is an excellent choice for automotive and non-automotive illumination applications.

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