TLE 8444SL Infineon Technologies, TLE 8444SL Datasheet - Page 29
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TLE 8444SL
Manufacturer Part Number
TLE 8444SL
Description
Manufacturer
Infineon Technologies
Datasheet
1.TLE_8444SL.pdf
(32 pages)
Specifications of TLE 8444SL
Packages
PG-SSOP-24-7
Ipeak
4 x 0.8 A
Inhibit
Y
Iq (typ)
1.0 µA
Mounting
SMT
Technology
BCD
Control pattern for bipolar stepper motor applications
Bipolar stepper motors applications for linear positioning such as Idle Speed control requires a specific input signal
pattern which is displayed in
depends on the used motorload (L/R ratio).
Figure 21
Data Sheet
V
V
IN1
IN3
= V
= V
I
I
OUT34
OUT12
+Iload
+Iload
-Iload
-Iload
IN2
IN4
High
High
Low
Low
Bipolar stepper motor control (full step mode)
0
0
90° Phaseshift
Figure
21. Normally, the output switching frequency is lower (approx. < 2kHz). This
29
Rev. 1.1, 2009-07-07
Block Description
TLE 8444SL
t
t
t
t