TPS75003RHLR

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TPS75003RHLR is a professional power management integrated circuit(PMIC) which is mainly used as specialized power management unit. It is made with a low-power with supply current overshoot protection, temperature sensing and protection, to lower switching losses, accurate current and voltage sense amplifier, maximize battery life applications.

TPS75003RHLR provides 3 synchronous current-limited outputs with the configurable reference voltage, over-current detection output, short-circuit detection output and thermal shutdown output. It provides high efficiency and wide function for various applications such as battery charger, voltage control, port power supply, audio/visual equipment and power supplies.

The working principle of TPS75003RHLR can be describled as below. First, it senses a programmable reference voltage and monitors the voltage level of the system through an internal high-speed comparator. When the voltage drops below the reference voltage, a signal is sent to an output driver. The output driver then drives the MOSFET switch (N-MOSFET) to connect the power source to the power source output. Conversely, it will disconnect the power source from the output when the voltage rises above the reference voltage. This turns on or off the MOSFET switch.

The TPS75003RHLR can deliver up to 3A output current for high-power applications. Its wide range of operating temperature (from -40℃ to 125℃) also makes it ideal for applications that require wide temperature range capabilities. Its small package (8-pin SOIC-8) also makes it ideal for applications such as smartphones, tablets, and other devices where board space is limited.

In conclusion, TPS75003RHLR is a specialized power management IC which is widely used in battery charging, voltage control, port power supply, audio/visual equipment and power supplies. Its wide range of operating temperature and small package also make it ideal for devices which have limited board space. With its synchronous current-limited outputs, over-current detection output, short-circuit detection output and thermal shutdown output, it helps to maximize battery life and provides high efficiency in different application fields.

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