TPS2061CDGN

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Power management integrated circuits (PMICs) are an all-in-one solution for various power management tasks. They provide a complete set of features and often integrate many types of analog and digital circuits, such as voltage reference, load switch, voltage regulator, comparator, etc. They are widely used in portable electronic devices and embedded systems. The TPS2061CDGN stands out among PMICs due to its versatility and product longevity. It is a low-side current-limited power distribution switch and load driver, designed to meet the needs of high-performance, power-critical designs.

The TPS2061CDGN is suitable for a variety of applications and markets, including industrial and automotive equipment, medical and lighting systems, audio and video products, gaming platforms, servers, and printers and scanners. It is used to connect devices to the main line and switch between multiple power rails to provide the needed voltage level, current limit, and enable/disable signal. The built-in current-limit circuit allows the switch to latch off when the current limit is exceeded, providing the best in safety, performance, and reliability.

The TPS2061CDGN is available in a variety of packages, including the tiny 2mm x 2mm SOT343-3 and MSOP8. It has a low on-state resistance of 20mΩ (typ) with an overcurrent limit of 1.2A (typ.) at 25°C. Its high off-state reverse leakage current allows it to be used in automotive and other low-current applications and it can also provide a low-power enable signal for controlling the switch and current limit circuit.

The TPS2061CDGN works by switching between two power rails: an input and an output. The output is an open drain that can be connected to the input of the device being controlled. The circuit also includes a current-limit circuit to protect against overcurrent situations, a voltage regulator stage, a turn-on detector, and a digital logic driver stage.

The TPS2061CDGN current-limit circuit is designed to prevent the load current from exceeding a certain value. When the input voltage or load current rises above 1.2A (the overcurrent limit), the circuit will automatically shut down, limiting the output current and protecting the system from overloading.

The TPS2061CDGN also includes a voltage regulator stage to ensure consistent output power throughout the system. This regulator can clamp the output voltage within predetermined limits anytime the voltage supply or load requirements change. It also provides active current foldback to reduce power dissipation when the output voltage is too low.

The integrated turn-on detector allows the TPS2061CDGN to detect when the output voltage has reached the predetermined level. Once the output voltage has stabilized, the circuit will be automatically enabled.

Finally, the integrated digital logic driver stage controls the switch, the current limit circuit, and the overvoltage/undervoltage protection circuit. It allows the user to select the current limit, the enable/disable behavior, and the overvoltage/undervoltage protection levels.

From smart phones and TVs to cars and industrial applications, the TPS2061CDGN is used across a wide range of markets to provide safe, reliable power distribution and load driving. Its versatility, small size, and low power requirements make it ideal for a variety of power-sensitive designs.

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