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L9960 データシート(PDF) 39 Page - STMicroelectronics |
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L9960 データシート(HTML) 39 Page - STMicroelectronics |
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39 / 95 page  DS11115 Rev 10 39/95 L9960, L9960T Functional description 94 A register report the echo of Tsw_low_current Config: "Tsw_low_current echo" Note: (-) available in the R3 bit position in SPI answer frame 7a. By convention (normal mode), for DIR=1, the current flows from OUT1 to OUT2, for DIR = 0, the current flows from OUT2 to OUT1. Figure 17. 4 cases of high-side/low-side activation (normal mode) If IN1/IN2 mode is selected the convention is the following: IN1=1, IN2=0 -> OUT1=1, OUT2=0 (Forward) IN1=0, IN2=1 -> OUT1=0, OUT2=1 (Reverse) IN1=0, IN2=0 -> OUT1=0, OUT2=0 (Freewheeling Low-Side) IN1=1, IN2=1 -> OUT1=1, OUT2=1 (Freewheeling High-Side) Table 44. TSW_low_current_echo Bit status Description Condition 0 echo Tsw activated on i_gate_fb only - 1 echo Tsw activated on the last event between i_gate_fb or i_out_on Default value OUT2 OUT1 OUT2 OUT1 OUT2 OUT1 OUT2 OUT1 HS1 HS2 LS2 LS1 DIR=1; PWM=1 (Forward) DIR=1; PWM=0 (Freewheeling LS) DIR=0; PWM=1 (Reverse) DIR=0; PWM=0 (Freewheeling LS) GAPGPS02334 |
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