поискавой системы для электроныых деталей |
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L6226Q датащи(PDF) 11 Page - STMicroelectronics |
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L6226Q датащи(HTML) 11 Page - STMicroelectronics |
11 / 29 page L6226Q Circuit description Doc ID 14335 Rev 5 11/29 4.2 Logic inputs Pins IN1A, IN2A, IN1B, IN2B, ENA and ENB are TTL/CMOS and microcontroller compatible logic inputs. The internal structure is shown in Figure 6. Typical value for turn-on and turn-off thresholds are respectively Vthon = 1.8 V and Vthoff = 1.3 V. Pins ENA and ENB are commonly used to implement overcurrent and thermal protection by connecting them respectively to the outputs OCDA and OCDB, which are open-drain outputs. If that type of connection is chosen, some care needs to be taken in driving these pins. Two configurations are shown in Figure 7 and Figure 8. If driven by an open drain (collector) structure, a pull-up resistor REN and a capacitor CEN are connected as shown in Figure 7. If the driver is a standard push-pull structure the resistor REN and the capacitor CEN are connected as shown in Figure 8. The resistor REN should be chosen in the range from 2.2 k Ω to 180 kΩ. Recommended values for R EN and CEN are respectively 100 kΩ and 5.6 nF. More information on selecting the values is found in the overcurrent protection section. Figure 6. Logic inputs internal structure Figure 7. ENA and ENB pins open collector driving Figure 8. ENA and ENB pins push-pull driving |
Аналогичный номер детали - L6226Q_10 |
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Аналогичное описание - L6226Q_10 |
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