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STUSB4700 数据表(PDF) 15 Page - STMicroelectronics |
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STUSB4700 数据表(HTML) 15 Page - STMicroelectronics |
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15 / 32 page ![]() STUSB4700 User-defined startup configuration DocID030193 Rev 2 15/32 For instance: PDO_FLEX_V1 = 10b0100100010 → 14.5 V PDO_FLEX_V2 = 10b0110000110 → 19.5 V 4.3 PDO – current configuration in NVM PDO1_I [3:0], PDO2_I [3:0], PDO3_I [3:0], PDO4_I [3:0] and PDO5_I [3:0] can be configured with the following fixed values: Table 12: PDO NVM current configuration Value Configuration 4b0000 PDO_FLEX_I 4b0001 1.50 A 4b0010 1.75 A 4b0011 2.00 A 4b0100 2.25 A 4b0101 2.50 A 4b0110 2.75 A 4b0111 3.00 A 4b1000 3.25 A 4b1001 3.50 A 4b1010 3.75 A 4b1011 4.00 A 4b1100 4.25 A 4b1101 4.50 A 4b1110 4.75 A 4b1111 5.00 A PDO_FLEX_I is defined in a specific 10-bit register, value being expressed in 10 mA units. For instance: PDO_FLEX_I = 10b0011100001 → 2.25 A 4.4 Monitoring configuration in NVM T_PDO_Transition can be configured from 20 to 300 ms by increments of 20 ms (0 is not recommended) T_Transition_to_0V can be configured from 84 to 1260 ms by increments of 84 ms (0 is not recommended) Vshift_High can be configured from (5 to 20%) Vshift _Low can be configured from (5 to 20%) 4.5 Discharge configuration in NVM Enable discharge Internal discharge Reverse |
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