參數(shù)資料
型號： TLE7209R
廠商： INFINEON TECHNOLOGIES AG
元件分類： 運(yùn)動控制電子
英文描述： STEPPER MOTOR CONTROLLER, PDSO20
封裝： PLASTIC, SOP-20
文件頁數(shù)： 30/31頁
文件大?。?/td> 484K
代理商： TLE7209R
TLE 7209R
Circuit Description
Final Datasheet
8
V2.5, 2004-may-25
Figure 5
Short to Vs detection. Left: normal operation. Right: short circuit is
detected
2.3.3
Short circuit across the load
If short circuit messages from high- and low-side switch occur simultaneously within a
delay time of typically 2
s, the error bit “Short Circuit Over Load”, SCOL is set.
2.3.4
Over-Temperature
In case of high DC-currents, insufficient cooling or high ambient temperature, the chip
temperature may rise above the thermal shut-down temperature
TSD. In that case, all
output transistors are shut down and the error-bit “Over-Temperature”, OT is set.
2.3.5
Under-Voltage shut-down
If the supply-voltage at the
VS pins falls below the under-voltage detection threshold, the
outputs are set to tristate and the error-bit “Under-Voltage at
VS“ is set.
2.4
Diagnosis
The Diagnosis-Mode can be selected between SPI-Diagnosis and Status-Flag
Diagnosis. The choice of the Diagnosis-Mode is selected by the voltage-level on Pin 12
(DMS Diagnosis Mode Selection):
DMS = GND, Status-Flag Mode
DMS =
VCC, SPI-Diagnosis Mode
For the connection of Pins SDI, SDO, CSN and SCK/SF see Figure 14 and Figure 15.
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