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L9026 датащи(PDF) 15 Page - STMicroelectronics |
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L9026 датащи(HTML) 15 Page - STMicroelectronics |
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15 / 60 page ![]() Figure 6. State diagram Limp home mode Sleep mode Active mode Idle mode Idle="low" INn="low " * * The state transition Active to Sleep will happen only if no channel is active Idle="high"& INn="high" Idle="low" & INn="high" Idle="low" Idle="low" & INn="high" Idle="low" Idle="high" CFG_1.ACT=0 & PWM_SPI.OUTn=0 & (PWM_MAPn=0 or selected internal PWM=0) &(MAP_INn.OUTn=0 or INn="low" ) CFG_1.ACT=1 or PWM_SPI.OUTn=1 or (PWM_MAPn=1 & selected internal PWM=1) or (MAP_INn.OUTn=1 & INn="high") Active The active mode is the default operation for the switching on of the loads. If L9026 is not in active mode and it happens a request to switch on outputs through SPI or Input pins, the device enters in active mode or limp home mode, Based on the state of the IDLE pin. The turn on time tON increases due to the transitions latency. Table 10. Functions availability in different supply conditions shows the links among the device operation modes, the channels operability, SPI communications, registers and supply voltages. L9026 Power supply DS13397 - Rev 9 page 15/60 |
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