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L9942 Datasheet(PDF) 15 Page - STMicroelectronics

Part # L9942
Description  Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9942 Datasheet(HTML) 15 Page - STMicroelectronics

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L9942
Electrical specifications
Doc ID 11778 Rev 7
15/40
3.3
Thermal data
Figure 5.
Thermal data of the package
Table 6.
Operating junction temperature
Symbol
Parameter
Value
Unit
Tj
Operating junction temperature
-40 to 150
°C
Table 7.
Temperature warning and thermal shutdown
Symbol
Parameter
Min.
Typ.
Max.
Unit
TjTW ON
Temperature warning
threshold junction
temperature
Tj increasing
-
-
150
°C
TjTW OFF
Temperature warning
threshold junction
temperature
-130
-
-
°C
TjSD ON
Thermal shutdown threshold
junction temperature
--
-
170
°C
TjSD OFF
Thermal shutdown threshold
junction temperature
-150
-
-
°C
TjSD HYS
Thermal shutdown hysteresis
-
-
5
-
K
Note:
1s
1 signal layer
2s2p 2 signal layers 2 internal planes



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