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UM0969 bảng dữ liệu(PDF) 17 Page - STMicroelectronics

tên linh kiện UM0969
Giải thích chi tiết về linh kiện  3-phase motor control demonstration board featuring IGBT intelligent power module STGIPS10K60A
PDF  46 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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UM0969 bảng dữ liệu(HTML) 17 Page - STMicroelectronics

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UM0969
Board description
Doc ID 17665 Rev 2
17/46
The STEVAL-IHM027V1 includes a hardware OT protection that stops the PWM signal path
from the MCU to STGIPS10K60A logic input once the maximum allowable temperature is
passed. With the chosen value, the OT protection limit is set to 70 °C. Another suggested
scheme, generally adopted for temperature monitoring and protection, is shown in Figure 8.
The NTC voltage is directly monitored by the MCU and an additional comparator
enables/disables the board, according to the temperature thresholds.
Figure 8.
OT protection circuit
Table 2.
Internal IPM NTC details (see relevant section on the STGIPS10K60A
datasheet)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
R25
Resistance
TC = 25 °C
5
k
Ω
R125
Resistance
TC = 125 °C
300
Ω
B
B-constant
TC = 25 °C
3435
K
T
Operating temperature
-40
125
°C
P
Max. rating power (max power on free air)
400
mW



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