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LB11975 bảng dữ liệu(PDF) 7 Page - Sanyo Semicon Device |
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LB11975 bảng dữ liệu(HTML) 7 Page - Sanyo Semicon Device |
7 / 12 page No. 6497-7/12 LB11975 Pin Functions Pin No. Pin Pin voltage Function Equivalent circuit 4 V to 16 V Supplies the source side pre-drive voltage. 9 VCC2 24 10k Ω VCC1 25 26 21 23 19 20 22 500 Ω 500 Ω VCC1 18 16 2k Ω 30k Ω VCC1 4 V to 16 V Supplies the motor drive voltage. 8 29 VCC3 4 V to 16 V Supply voltage for all circuits other than the output transistors and the source side pre-drive voltage 27 VCC1 Reverse rotation detection High-level output: Forward rotation Low-level output: Reverse rotation 24 RS Single Hall device waveform Schmitt comparator synthesized output 26 FG1 Three Hall device waveform Schmitt comparator synthesized output 25 FG2 U phase Hall device input. Logic high refers to the state where IN1 + > IN1 –. 23 IN1 + 1.5 V to VCC1 – 1.5 V V phase Hall device input. Logic high refers to the state where IN2 + > IN2 –. W phase Hall device input. Logic high refers to the state where IN3 + > IN3 –. Provides the Hall device lower side bias voltage. 22 IN1 – 21 IN2 + 20 IN2 – 19 IN3 + 18 IN3 – 16 VH 15 75k Ω 50k Ω VCC1 All circuits can be set to the non-operating state by setting this pin to 0.7 V or under, or by setting it to the open state. This pin must be held at 2 V or higher. 15 S/S 0 V to VCC1 Ground for all circuits except the output 17 GND1 Continued on next page. |
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