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The Texas Instruments TPS62050 and TPS62052 evaluation modules (EVM) for low-power, high-efficiency, step-down converters help designers evaluate these devices. The EVMs make it possible to evaluate different modes of the devices as well as the device performance.
The TPS6205xEVM is available as the TPS62050 adjustable version set to 3.3 V and the TPS62052 1.5-V fixed version.
The TPS62050EVM can be easily set up to provide any output voltage between 0.7 V to 6 V (or Vin) by adjusting the external resistor divider. Refer to the data sheet (SLVS432) for various fixed voltage options available for the TPS6205x. The TPS6205x has an input voltage range between 2.7 V and 10 Vwith an output current up to 800 mA.
Any version of the TPS6205x can be evaluated by removing and replacing the IC on the EVM.
EVM NUMBER | DESCRIPTION |
---|---|
TPS62050EVM–234 | Adjustable output voltage version set to 3.3 V |
TPS62052EVM–234 | 1.5-V fixed output voltage version |
This section details the evaluation process and features of the EVM. For this purpose, a load is connected to the output pins Vout and GND, which allows the load current to be adjusted between 0 mA and 800 mA.
For accurate output voltage and input voltage measurements, it is important to measure the voltage on the input and output voltage terminals with avoltmeter connected directly to the input voltage or output voltage terminals. This eliminates any measurement errors related to voltage drops along the input and output terminal wires connected to the power supply or load.