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TLE5250 Datasheet(HTML) 3 Page - Siemens Semiconductor Group

Part No. TLE5250
Description  2.5-A High Performance Smart Power Stepper-Motor Driver with Diagnostic Interface
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Maker  SIEMENS [Siemens Semiconductor Group]
Homepage  http://www.siemens.com/
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TLE5250 Datasheet(HTML) 3 Page - Siemens Semiconductor Group

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TLE 5250
Semiconductor Group
3
1998-02-01
Pin Definitions and Functions
Pin No.
Symbol
Function
1
DIAG
Open-drain diagnostics output
2
PH
Input for determining source/sink on outputs Q1 and Q2; when
Enable = Low, this pin serves as clock input for reading out
diagnostics
3
EN
Input for activating or turning off device (all output transistors
turned off); Enable High = output active, Enable
Low = diagnostics
4, 12
VS
Supply voltage of IC
5, 6
Q1
Power output with integrated free-wheeling diodes
7, 9
Sense
Actual-current output: shared, open-source output of sink
transistors
8
GND
Ground
10, 11
Q2
Power output with integrated free-wheeling diodes
13
RS
Determines turning back on of sink transistor by internally
driven, external RC element or external TTL trigger signal
14
NOM
Input for reference potential (nominal current) for nominal/
actual comparator
15
ACT
Input for actual current for nominal/actual comparator


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