TPS2058DR

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The TPS2058DR is a power control integrated circuit, part of the Texas Instrument family of Power Management Integrated Circuits (PMIC). It is part of the group of PMIC devices classified as Power Distribution Switches, Load Drivers. Specifically, the TPS2058DR is a high-speed, high current dual power switch driver, with a MOSFET output.

The main application field of the TPS2058DR is aimed at mobile circuits requiring high performance, high speed switch features. As such, the TPS2058DR is ideal for use in mobile systems where the power requirements are high due to intensive multimedia operations.

The working principle of the TPS2058DR is quite simple. The main components of the integrated circuit are two gate drivers, each gate driver with its own internal power supply and a MOSFET output. The TPS2058DR takes inputs from both the gate drivers and regulates the MOSFET output with accuracy.

In detail, the TPS2058DR power switch has an input channel and a power channel. The input channel is responsible for receiving the external command to turn the switch on and off. This input is enabled when the two voltage rails of the switch are at a minimum of 3V. Once enabled, this voltage level must be kept in between 0.3 and 5V. When the external command is received, the switch driver is activated, providing the input signal to the power channel.

The power channel consists of two MOSFETs connected in series. The TPS2058DR pulse width modulates the gate control signals of both MOSFETs, in order to regulate the switching of output. When both MOSFETs are powered and the input command is received, a current is passed from one MOSFET to the second, that regulates the switch’s output.

The TPS2058DR is a very useful device in the PMIC family. It combines two power TPS2058DR channels in one package, with a high performance, high speed switch. In addition, the low power consumption and high efficiency of the switching operation make it ideal for use in mobile systems, where efficient power management is essential.

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