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LB1971V 数据表(PDF) 7 Page - Sanyo Semicon Device |
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LB1971V 数据表(HTML) 7 Page - Sanyo Semicon Device |
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7 / 9 page  No. 6214-7/9 LB1971V Pin Functions Pin No. Symbol Pin voltage Function Equivalent circuit 2 1 23 UOUT VOUT WOUT VCC1 24 2 1 23 VS Continued on next page. • U, V, and W phases coil outputs 24 RF • Rf connection The LB1971V implements current control using a resistor (Rf) connected between this pin and ground to detect the drive current. 0 to VCC1 3 STBY VCC1 30 k Ω 3 70 k Ω • Standby control Normal operation: High Standby: Low or open 0 to VCC1 4 BRK VCC1 330 Ω 4 50 k Ω • Forward/reverse torque switching Forward torque: Low or open Reverse torque: High 2.0 V to 6.0 V 5 VCC1 • Power supply connection 6 8 VS FG • FG output These are open collector output. VCC1 8 • Motor drive and speed control blocks power supply The voltage applied to this pin must be strictly lower than VCC2. 0 V to VCC2 7 VCC2 2.0 V to 6.0 V • Power supply connection for the pre- drive circuit and the motor back EMF detection comparator circuit |
类似零件编号 - LB1971V |
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类似说明 - LB1971V |
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