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VNH5250AS-E Fiches technique(PDF) 7 Page - STMicroelectronics |
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VNH5250AS-E Fiches technique(HTML) 7 Page - STMicroelectronics |
7 / 18 page DocID025102 Rev 2 7/18 VNH5250AS-E Block diagram and pin description 17 INA INB Voltage controlled input pins with hysteresis, CMOS-compatible. These two pins control the state of the bridge in normal operation according to the truth table (brake to VCC, brake to GND, clockwise and counterclockwise). ENA/DIAGA ENB/DIAGB Open drain bidirectional logic pins.These pins must be connected to an external pull up resistor. When externally pulled low, they disable half-bridge A or B. In case of fault detection (thermal shutdown of a high-side FET or excessive ON-state voltage drop across a low-side FET), these pins are pulled low by the device (see Table 13: Truth table in fault conditions (detected on OUTA)). CS Analog current sense output. This output delivers a current proportional to the motor current. The information can be read back as an analog voltage across an external resistor. Table 4. Pin functions description (continued) Name Description |
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