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L6258 Folha de dados(PDF) 11 Page - STMicroelectronics |
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L6258 Folha de dados(HTML) 11 Page - STMicroelectronics |
11 / 32 page L6258 Functional description 11/32 2.1 Reference voltage The voltage applied to VREF pin is the reference for the internal DAC and, together with the sense resistor value, defines the maximum current into the motor winding according to the following relation: where Rs = sense resistor value Figure 4. Power bridge configuration I MAX 0.5 V REF ⋅ R S --------------------------- 1 FI ----- V REF R S -------------- ⋅ == LOAD OUT_A OUT_B T1 T3 T2 T4 IN_A IN_B VS 0 OUTA OUTB Iload 0 OUTA OUTB Iload 0 OUTA OUTB Iload Fig. 1A Fig. 1B Fig. 1C D97IN624 |
Nº de peça semelhante - L6258 |
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Descrição semelhante - L6258 |
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