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L9177 датащи(PDF) 23 Page - STMicroelectronics |
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L9177 датащи(HTML) 23 Page - STMicroelectronics |
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23 / 49 page ![]() DocID17617 Rev 1 23/49 L9177 Electrical specifications 48 Figure 13. Stepper motor operations 3.5.15 O2 sensor heater driver Table 21. O2 sensor heater driver characteristics Symbol Parameter Condition Min Typ Max Unit RdsON On resistance Iout = 3 A - - 0.5 Ω VC Output clamping voltage Iout = 3 A 40 - 50 V Ilk_off Leakage current Vout = 18 V, diagnosis OFF - - 10 μA Ilk_on Leakage current Vout = 18 V, diagnosis ON - - 100 μA ton_off Turn on-off delay From CMD (serial or parallel) rising edge -- 6 μs VOL Open load output voltage Driver in OFF condition 0.46*VDD 0.5*VDD 0.54*VDD V IOC Overcurrent threshold 3.8 - 5 A Vdiagth_H(1) Diagnostic high threshold Driver in OFF condition 0.54*VDD 0.6*VDD 0.66*VDD V Vdiagth_L(1) Diagnostic low threshold Driver in OFF condition 0.36*VDD 0.4*VDD 0.44*VDD V 1. Vdiagth_L<Vout<Vdiagth_H Open Load; Vout<Vdiagth_L Short to GND |
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