TLE8444SL Infineon Technologies, TLE8444SL Datasheet - Page 29

• Manufacturer Part Number: TLE8444SL
• Description: IC DVR HALF-BRIDGE QUAD 24SSOP
• Manufacturer: Infineon Technologies
• Type: Half Bridger

Specifications of TLE8444SL

• Input Type: Parallel
• Number Of Outputs: 4
• On-state Resistance: 600 mOhm
• Current - Output / Channel: 1A
• Current - Peak Output: 2.4A
• Voltage - Supply: 8 V ~ 18 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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