TPS2034DRG4

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The TPS2034DRG4 is a power management integrated circuit (PMIC) developed by Texas Instruments. It is a power distribution switch and a load driver, specifically designed for load switching applications in a wide variety of products. The device features a 32-V integer logic level P-Channel MOSFET (PMOS) power switch, a load driver, and two pulse width modulation (PWM) controllers. It can effectively control up to two power rails, allowing for high current switching applications. The device is well suited for automotive, industrial, consumer, and communications applications.

The TPS2034DRG4 is designed in a 5mm x 6mm, 16-pin SOIC package. Its P-channel PMOS MOSFET switch has an RDS(on) value of 170mΩ and a maximum currentrating of 3.2A. It supports up to a 32V input voltage and has a minimum ‘on’ voltage of 0.5V. The maximum available current can be limited and easily adjusted to account for changing power requirements. The PMOS switch has a voltage drop of 0.2V at the maximum current limit, resulting in the most efficient operation possible without overloading the power rail.

The TPS2034DRG4’s load driver is designed to be used in switch-mode power supplies (SMPSs). It takes a PWM input signaland converts it into a single pulse width modulation (PWM) output that can be used to drive power switches. The output has a maximum duty cycle of 95%, allowing it to drive a variety of power switches, including transistors, MOSFETs, and triacs. It isdesigned to provide a low-voltage, high-current output rapidly, resulting in a rapid power switch turn-on andoff. The load driver can also be used for over-current protection, as it can detect and short out a shorted MOSFET, ensuring that the power rail does not become overloaded. The load driver also supports over-voltage protection, as it can detect and limit current flow when there is an excessive voltage on the rail.

The TPS2034DRG4 also features two pulse width modulation controllers. These are designed to provide accurate control of the duty cycle and frequency of the PWM output. This allows for effective, efficient switching of the power rail, and can help reduce power consumption. The controllers can be programmed for a variety of different duty cycles and frequencies, allowing for more precise control of power management.

In addition to its power switching and load driving capabilities, the TPS2034DRG4 also provides thermal protection. This is done through the use of an integrated temperature sensor, which can detect when the board temperature is too high and shut down the power rail to protect the electronics from thermal damage. This feature is particularly useful in applications where heat buildup could be detrimental to the operation of the device.

The TPS2034DRG4 is a versatile PMIC that can be used in a wide variety of applications. Its efficient PMOS MOSFET switch provides accurate high current switching and its loaddriver provides reliable over-current and over-voltage protection. Its two PWM controllers provide precise control of the power rails, and its integrated temperature sensor protects the board from thermal damage. With its wide range of features, the TPS2034DRG4 is a great choice for power switching and load-switching applications.

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