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參數(shù)資料
| 型號： | TLE7185E |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | AC MOTOR CONTROLLER, PDSO36 |
| 封裝： | GREEN, PLASTIC, SOP-36 |
| 文件頁數(shù)： | 7/22頁 |
| 文件大小： | 445K |
| 代理商： | TLE7185E |
Data Sheet
15
Rev. 2.3, 2009-08-18
TLE7185E
5.2.3
Shoot Through Option
The TLE7185E offers the possibility to switch off the Shoot Through Protection by setting the STOE pin to high
and in the same time all IHX to low and all ILX to high. Only if all 7 conditions are fulfilled in the same time, the
Shoot Through Protection and the Short Circuit Detection is deactivated and allows to switch on all 6 external
MOSFETs.
If STOE is set to high, an error signal is set.
5.2.4
Under Voltage Lock Out on Vs
The TLE7185E has an integrated under voltage lock out, to assure that the behavior of the device is predictable
in all supply voltage ranges.
If the supply voltage at VS reaches the under voltage lock out level for a minimum specified filter time, the gate-
source voltage of all external MOSFETs will be actively pulled to low. In this situation the short circuit detection of
this output stage is deactivated to avoid a latching shut down of the driver. Furthermore, the charge pump will be
deactivated.
As soon as the supply voltage recovers, the output stage condition will be aligned to the input patterns
automatically. This allows to continue operation of the motor in case of under voltage shut down without a reset
by the C.
5.2.5
Under Voltage warning on CB
In addition to the under voltage lockout, the TLE7185E provides an integrated under voltage warning.
The purpose of this warning is to inform the user about possible low gate voltages.
If the voltage of a charge pump buffer capacitor CB reaches the under voltage warning level for a minimum
specified filter time, an Errors signal is set.
As soon as the charge pump buffer voltage recovers, the Error signal will be removed automatically.
5.2.6
Over Voltage Warning on Vs and / or VDH
The TLE7185E has an integrated over voltage warning to avoid destruction of the IC at high supply voltages. The
voltage is observed at the VS and the VDH pin. When one of them or all of them exceed the over voltage warning
level for more than the specified filter time an Error signal is set. It is in the responsibility of the user to react to this
signal to avoid damage of the driver by exceeding the max ratings. The Errors signal is self clearing.
The basic driver functions will work even above this over voltage warning level as long as no maximum rating is
violated. At such high voltages, the specified values will not be guaranteed.
5.2.7
Over Temperature Warning
If the junction temperature is exceeding the over temperature level an error signal is given as warning. The driver
IC will continue to operate in order not to disturb the application.
The warning is removed automatically when the junction temperature is cooling down.
It is in the responsibility of the user to protect the device against over temperature destruction.
5.2.8
ERR Pins
The TLE7185E has two status pins to provide diagnostic feedback to the C. The outputs of these pins are open
drain outputs with integrated pull up resistors to the internal 5V supply (see Figure 4 ). The outputs are either high
or low.
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