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BTS7020-2EPA датащи(PDF) 17 Page - Infineon Technologies AG |
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BTS7020-2EPA датащи(HTML) 17 Page - Infineon Technologies AG |
17 / 58 page Data Sheet 17 Rev. 1.00 2017-08-24 BTS7020-2EPA PROFETTM+2 Power Supply 6.1.1 Unsupplied In this state, the device is either unsupplied (no voltage applied to VS pin) or the supply voltage is below the undervoltage threshold. 6.1.2 Power-up The Power-up condition is entered when the supply voltage (VS) is applied to the device. The supply is rising until it is above the undervoltage threshold VS(OP) therefore the internal power-on signals are set. 6.1.3 Sleep mode The device is in Sleep mode when all Digital Input pins (INn, DEN, DSEL) are set to “low”. When BTS7020-2EPA is in Sleep mode, all outputs are OFF. The current consumption is minimum (see parameter IVS(SLEEP)). No Overtemperature or Overload protection mechanism is active when the device is in Sleep mode. The device can go in Sleep mode only if the protection is not active (counter = 0, see Chapter 8.3.1 for further details). 6.1.4 Stand-by mode The device is in Stand-by mode as long as DEN pin is set to “high” while input pins are set to “low”. All channels are OFF therefore only Open Load in OFF diagnosis is possible. Depending on the load condition, either a fault current IIS(FAULT) or an Open Load in OFF current IIS(OLOFF) may be present at IS pin. In such situation, the current consumption of the device is increased. 6.1.5 Active mode Active mode is the normal operation mode of BTS7020-2EPA. The device enters Active mode as soon as one IN pin is set to “high”. Device current consumption is specified with IGND(ACTIVE) (measured at GND pin because the current at VS pin includes the load current). Overload, Overtemperature and Overvoltage protections are active. Diagnosis is available. 6.2 Undervoltage on VS Between VS(OP) and VS(UV) the undervoltage mechanism is triggered. If the device is operative (in Active mode) and the supply voltage drops below the undervoltage threshold VS(UV), the internal logic switches OFF the output channels. As soon as the supply voltage VS is above the operative threshold VS(OP), the channels having the corresponding input pin set to “high” are switched ON again. The restart is delayed with a time tDELAY(UV) which protects the device in case the undervoltage condition is caused by a short circuit event (according to AEC-Q100-012), as shown in Figure 14. Table 8 Device function in relation to operation modes and VS voltage Operative Mode Function VS in undervoltage VS not in undervoltage Sleep Channels OFF OFF Diagnosis OFF OFF Active Channels OFF available Diagnosis OFF available in OFF and ON states Stand-by Channels OFF OFF Diagnosis OFF available in OFF state |
Аналогичный номер детали - BTS7020-2EPA |
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Аналогичное описание - BTS7020-2EPA |
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