TPS61040EVM-001

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The TPS61040EVM-001 is an evaluation module (EVM) from Texas Instruments. It is part of the TPS61040EVM family which consists of cost-effective, low-power components. The TPS61040EVM-001 is a 14-pin surface-mount evaluation module dedicated to the TPS61040 synchronous step-down DC/DC converter. Its primary application field is for providing power to security subsystems, battery-powered sensors, and portable devices.

The TPS61040EVM-001 module is designed for input voltage operation from 2.5V to 5.5V, and features a programmable switch frequency of up to 3MHz. It also offers an adjustable output voltage and switch current adjustment options. The module includes an on-board buck regulator controller, power MOSFETs, and an on-board load and current sense resistors. It is able to deliver up to 2A output current with minimum of 7mA quiescent current.

The TPS61040EVM-001\'s working principle is based on the use of synchronous converters. Synchronous converters are switch-mode power supplies used to convert an input voltage to a desired output voltage. The device consists of three main components, a switching regulator, MOSFET switch, and an output filter. The switching regulator is the device\'s primary operational component, and contains two feedback loops. In one of the loops, the output voltage is fed back to an error amplifier to optimize the reference voltage for the switch. The MOSFET is used to switch between the input and output voltage. Doing this provides maximum power transfer from the input to the output with minimum losses. The output filter is then used to smooth out any voltage ripples resulting from the switching regulator.

Overall, the TPS61040EVM-001 evaluation module is a cost-effective, low-power solution dedicated for providing power to security subsystems, battery-powered sensors, and portable devices. Its working principle is based on the use of synchronous converters, consisting of three main components (switching regulator, MOSFET switch, and output filter) for optimal efficiency and performance.

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