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TPS2058DG4 Application field and Working Principle

The TPS2058DG4 is a Hi-side load switch integrated circuit with over-current and over-voltage protection. It is used for power management and equipped with precise current and voltage data for precise management. This device is classified under Power Distribution Switches, Load Drivers as it is used to enable/disable high current paths in a system along with providing precise voltage and current data.

Applications

The TPS2058DG4 has a wide range of applications, including:

• Motor control modules
• LCD and LED displays consisting of an array of backlight LEDs
• Displays that utilize grounded dimmers
• Power converters and regulators that rely on isolated components
• Power systems requiring a useable current range of 400mA to 5A

Working Principle

The TPS2058DG4 is a Hi-side load switch integrated circuit with over-current and over-voltage protection. It works by driving an external high-side N-channel MOSFET which is used for load switch applications. The load switch contains a low on-resistance, adjustable current limit trip level from 0.4 A to 5 A, and an adjustable 10 ms to 200 ms overload protection timer. The device is capable of the continuous sourcing and sinking of 500 mA. It can also be configured to switch in the event of an over-current or overtemperature condition. When the load switch is enabled, the gate driver provides a gate voltage to the connected MOSFET. This gate voltage is sufficient to drive the MOSFET into the fully conducting state. When the load switch is disabled, the gate voltage of the connected MOSFET is pulled to ground, preventing any current flow through the connected device.The TPS2058DG4 is designed to protect the circuit from over-current and over-voltage conditions. It features an adjustable sloped current-limit set-point, adjustable over-voltage set-point, and adjustable over-temperature trip point.

Conclusion

The TPS2058DG4 Hi-side load switch integrated circuit with over-current and over-voltage protection has a wide range of applications. It is used for Power Distribution Switches, Load Drivers as it is used to enable/disable high current paths in a system and demonstrate precise voltage and current data.

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