TPS82085 Reference Design Circuit with Integrated Sensor | Power Buck Application Circuit

TPS82085 features:

The TPS82085 device is a 3A step-down converter MicroSiP module optimized for small solution size and high efficiency. The power module integrates a synchronous buck converter and inductor to simplify design, reduce external components, and save printed circuit board (PCB) area. The device is available in a compact, low profile package for automated assembly via standard surface mount equipment.

The main parameters of TPS82085: 3A thin MicroSiP power module, DCS-Control topology technology, efficiency up to 95%, static working current: 17μA, automatic cut-off short-circuit protection, input voltage range: 2.5V to 6V, adjustable output voltage: 0.8V Up to VIN, power-saving mode for light load efficiency, 100% duty cycle for lowest voltage drop, output discharge

Typical applications for the TPS82085 include:

  • Battery powered applications
  • SSD
  • Processor power
  • mobile phone

TPS82085 internal structure block diagram:

TPS82085 reference design application circuit:

Reference circuit analysis: The above figure is a typical application circuit for outputting 1.2V voltage, The TPS82085 is a synchronous step-down converter power module whose output voltage is adjusted by component selection. The following section discusses the design of the external components to complete the power supply design For several input and output voltage options by using typical applications as a reference.

TPS82085 Chinese information: click to download

More popular application circuits with schematics and source code can be found at:

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