TLE5206-2G Datasheet, PDF (15/23 Pages) Infineon Technologies AG – 5-A H-Bridge for DC-Motor Applications

TLE 5206-2
Electrical Characteristics
Application Modes
1. Simple CW/CCW-Control
For low-cost application simple CW/CCW-Control without any speed regulation is
recommended. A low-speed two-line interface is sufficient for the brake low,
clockwise, counter clockwise and brake high command.
2. Sign/Magnitude Control
For this mode two ports with PWM capability are necessary. Motor turns clockwise
(current flows from OUT1 to OUT2; means: OUT1 is switched HIGH continuously and
OUT2 is PWM controlled.
To achieve motor counter clockwise turning change input signals to:
IN1 = PWM; IN2 = H.
IN2
PWM
ν= 0
ν = 0.1
ν = 0.5
ν = 0.9
ν= 1
Motor speed Fastest
High
Medium
t
Low
Brake to Zero
V _OUT1 - V _OUT2
V_S
Motor
Short
Circuit
0
t
AED02408
Figure 6 Input/Output Diagram for CW Operation (IN1 = H)
3. Locked Anti-Phase Control
The most important advantage to drive a motor in locked anti-phase mode is: Only one
variable duty cycle signal is necessary in which is encoded both direction- and
amplitude information. So the interface is very simple: A PWM input driven by a
dedicated PWM port from µP.
Data Sheet
15
2001-06-19