04-12-2024 | WIN SOURCE | Power
The TPS2051BDGNR, from Texas Instruments and available now from WIN SOURCE, is a current-limited, high-side power switch designed for applications needing reliable power distribution and protection. It is part of the TPS20xxB series and features a 70mOhm N-channel MOSFET that allows for efficient operation with minimal energy loss.
Operating over a wide voltage range from 2.7V to 5.5V, the device can support up to 500mA of continuous current, making it an excellent choice for USB ports, power supplies, and other circuits that require stable power management. Its thermal and short-circuit protection provides safe operation by automatically limiting current when an overload or fault condition occurs.
One of the device's standout features is its integrated charge pump, which controls the power switch's rise and fall times, lowering the risk of current surges during switching events. This component also features a fast typical rise time of 0.6ms, essential for minimising inrush currents in sensitive systems.
The device includes a UVLO feature to ensure reliable performance. This feature keeps the switch off until the input voltage is within a safe operating range. This prevents power instability throughout startup, making it excellent for systems where consistent performance is crucial.
This device is packaged in a space-saving MSOP-8, appropriate for compact designs. It functions over an extended temperature range of -40C to 85C, ensuring reliable performance in harsh environments, including industrial and automotive applications.
Whether used in battery-powered devices or power distribution systems, the TPS2051BDGNR stands out for its robust protection, compact design, and efficient power management. It is a crucial component for engineers desiring to improve the safety and reliability of their designs.
