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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SABRE-LL-I 데이터시트(PDF) 52 Page - STMicroelectronics |
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SABRE-LL-I 데이터시트(HTML) 52 Page - STMicroelectronics |
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52 / 141 page  Power bridges SABRE-LL-I 52/141 The possible configurations for the bridges are described in the following: 14.3.1 Full bridge When in full bridge configuration, the drivers will behave according to the following truth table: Note: When “Low Power mode” is active, the bridges will enter in low power state and will reduce its biasing thus contributing to the power saving. When a current limit event occurs this event will be latched and the bridges will remain in high impedance state for the toff time. Table 31. Bridge 3 and 4 configuration Mtr3_4CfgTable[1] Mtr3_4CfgTable[0] Bridge 3 and 4 configuration 0 0 Two independent bridges 0 1 Two bridges in parallel 1 0 Stepper motor 1 1 Stepper motor Table 32. Full bridge truth TSD nRESET Low power mode Enable Current limit MtrXCtrl SideA MtrXCtrl SideB PWM OUT+ OUT- 1 X X X XX XX Z Z 0 0 X X XX XX Z Z 0 1 1 X XX XX Z Z 0 1 0 0 XX XX Z Z 01 0 1 1 X X X Z Z 01 0 1 0 0 0 X 0 0 01 0 1 0 0 1 0 1 1 01 0 1 0 0 1 1 0 1 01 0 1 0 1 0 0 1 1 01 0 1 0 1 0 1 1 0 01 0 1 0 1 1 X 1 1 |
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