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This document presents the information required to operate the TPS65279V PMIC as well as the support documentation including schematic, layout, hardware setup, software installation and bill of materials.
The TPS65279V PMIC is designed to provide dual 5 A of continuous currents with an operational range of 4.5 to 18 V. The TPS65279V features I2C controlled voltage identification (VID) and the output voltage can be set by I2C from 0.68 V to 1.95 V. Without I2C, voltage can also be programmed by an external resistor divider. The TPS65279V features externally programmed switching frequency ranging from 200 kHz to 1.6 MHz, external compensation, soft-start and enable.
As there are many possible options to set the converters, Table 2-1 presents the performance specification summary for the EVM.
| Test Conditions | Performance |
|---|---|
| Vin = 4.5 V to 18 V | Buck1 : 1.0 V, up to 5 A, VID control |
| fsw = 500 kHz (25°C ambient) | Buck2 : 1.1 V, up to 5 A, VID control |
The EVM is designed to provide access to the features of the TPS65279V. Some modifications can be made to this module to test performance at different input and output voltages, current and switching frequency. Please contact TI Field Applications Group for advice on these matters.