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VNH5180A-E データシート(PDF) 7 Page - STMicroelectronics |
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VNH5180A-E データシート(HTML) 7 Page - STMicroelectronics |
7 / 31 page VNH5180A-E Block diagram and pin description Doc ID 17074 Rev 5 7/31 20 CS_DIS Active high CMOS compatible pin to disable current sense pin. 21 ENB/DIAGB Status of high-side and low-side switches b; open drain output. 22 INB Counter clockwise input. 25, 26, 27, 29, 35 OUTB, Heat Slug3 Source of high-side switch B / drain of low-side switch B. 30, 31, 33, 34 GNDB Source of low-side switch B. 2, 8, 10, 11, 12 OUTA, Heat Slug2 Source of high-side switch A / drain of low-side switch A. 3, 4, 6, 7 GNDA Source of low-side switch A. Table 5. Pin functions description Name Description VCC Battery connection. GND Power ground. OUTA OUTB Power connections to the motor. 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). PWM Voltage controlled input pin with hysteresis, CMOS compatible. Gates of low-side FETS get modulated by the PWM signal during their ON phase allowing speed control of the motor. 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 14: Truth table in fault conditions (detected on OUTA)). CS Analog current sense output. This output delivers a current proportional to the motor current if CS_DIS is low or left open. The information can be read back as an analog voltage across an external resistor. CS_DIS Active high CMOS compatible pin to disable the current sense pin. Table 4. Pin definitions and functions (continued) Pin N° Symbol Function |
同様の部品番号 - VNH5180A-E |
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同様の説明 - VNH5180A-E |
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