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TPS65982ABZBHR Datasheet(PDF) 62 Page - Texas Instruments |
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TPS65982ABZBHR Datasheet(HTML) 62 Page - Texas Instruments |
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62 / 121 page  Enter DP Alternate Mode S0: HPD Low Wait State Firmware enables HPD RX Start HPD Timer HPD GPIO is High S1: HPD High Debounce State HPD GPIO is low HPD GPIO goes low before Timer reaches High_Debounce Generate HPD_High interrupt, Stop HPD Timer Timer passes High_Debounce S2: HPD High Wait State HPD GPIO is high Start HPD Timer HPD GPIO is low S3: HPD Low Debounce State HPD GPIO goes high before Timer reaches Low_Debounce S4: HPD IRQ Detect State Timer passes Low_Debounce Generate HPD_IRQ Interrupt HPD GPIO goes high before Timer reaches IRQ_Limit Generate HPD_LOW Interrupt, Stop HPD Timer Timer Passes IRQ_Limit 62 TPS65982 SLVSD02D – MARCH 2015 – REVISED JUNE 2019 www.ti.com Product Folder Links: TPS65982 Submit Documentation Feedback Copyright © 2015–2019, Texas Instruments Incorporated Figure 52. HPD TX Flow Diagram 9.3.17 ADC The TPS65982 ADC is shown in Figure 53. The ADC is a 10-bit successive approximation ADC. The input to the ADC is an analog input multiplexer that supports multiple inputs from various voltages and currents in the device. The output from the ADC is available to be read and used by application firmware. Each supply voltage into the TPS65982 is available to be converted including the port power path inputs and outputs. All GPIO, the C_CCn pins, the charger detection voltages are also available for conversion. To read the port power path current sourced to VBUS, the high-voltage and low-voltage power paths are sensed and converted to voltages to be read by the ADC. For the external FET path, the difference in the SENSEP and SENSEN voltages is converted to detect the current (IPP_EXT) that is sourced through this path by dividing by the RSENSE resistance. |
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