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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS8846 датащи(PDF) 11 Page - ams AG |
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AS8846 датащи(HTML) 11 Page - ams AG |
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11 / 35 page  Data Sheet AS8446 Revision 1.8, Date 2005-03-17 Page 11 of 35 Rising edge (switch on): Programmable Gate Drive Source Currents (13 bit) Register / timing part of rising edge Programmable range Programmable range Unit Note R6<0> = 1, Acu_on/off R6<0> = 0, Acu_on/off min max step min max step R1<4:0> = SRon (Vmotor = 12.7 V) 0 496 16 0 248 8 mA R1<4:0> = SRon (Vmotor = 30.7 V) 0 (1240)1 40 0 (620)1 20 mA R1 = 0, 1, 2, … 31 R2<3:0> = SRon_stat 1.0 32 1.0 0.5 16 0.5 mA R2 = 0, 1, 2, … 15 R3<2:0> = SRon_min (Vmotor = -0.5 V) 20 160 20 10 80 10 mA R3 = 0, 1, 2, … 7 Note (1): The total driver current Iout_on must be limited to 500 mA (Iout_on < 500 mA ) in the real application with the given Vmotor_max = Vbat by appropriate programming. Table 11 Programming of the slew rate parameters (rising edge) Figure 5 Rising edge of the motor voltage before and after the EMC optimization |
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