TLC5947RHBR Integrated Circuits (ICs)

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LED drivers are power management integrated circuits (PMICs) used in the control of solid-state lighting. Among the various LED drivers, TLC5947RHBR is a smart and reliable LED driver that provides drive currents up to 100mA with standard features of output enable, low-voltage shutdown and programmable blink rate. This IC is suitable for a wide range of applications, making it ideal for every type of residential, commercial and industrial lighting.

The TLC5947RHBR operates by using constant-current source/ sink output. The source/ sink output includes 6 open-drain and 6 source outputs, 12 in total. This allows for flexibility in applications such as constant current and dimming controls, including through pulsewidth modulation. The output current of TLC5947RHBR is adjustable over a wide range, from 1mA to 100mA. This gives designers the freedom to accommodate various types of LED needs and create attractive lighting effects.

The TLC5947RHBR also has built-in safety features. This IC has an overtemperature protection as well as an automatic thermal shutdown. It is designed to be a low-side current sense driver, providing protection against an accidental overload by the user via current-limiting circuits. In addition, it features open/ close detect which detects if the circuit is open or closed, allowing the user to power down the circuit before an overload occurs.

To maximize the efficiency of the TLC5947RHBR, the IC utilizes a 2.5V reference voltage and a 200mA internal reference current. This provides accuracy and ensures that the output current remains accurate across the full range of output voltages. In addition, it has an input voltage range of 7V to 32V and a wide operating temperature range from -40℃ to +85℃. The high operating temperature range guarantees reliable and robust operation even in the harshest conditions.

The TLC5947RHBR is ideal for applications such as LED backlighting for LCD displays, LED sign boards and LED street lamps. Its high efficiency and low cost make it suitable for a wide range of products, from mobile phones to air conditioners. This driver IC can also be used in combination with other ICs to create more complex lighting patterns and effects. Additionally, the TLC5947RHBR provides additional flexibility and control by providing PWM input and enable/ disable control.

Overall, TLC5947RHBR is a reliable, efficient and affordable LED driver IC, suitable for a wide range of applications. Its features, such as adjustable output current, thermal protection and wide operating temperature range, make it ideal for a variety of products. With its flexibility, designers and lighting system providers can create complex lighting effects that can accommodate a wide range of needs without sacrificing quality or performance.

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