TLE4203S SIEMENS [Siemens Semiconductor Group], TLE4203S Datasheet - Page 4

• Manufacturer Part Number: TLE4203S
• Description: 4-A DC Motor Driver
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Application
In industrial and automotive electronics, power full-bridge DC motor drivers are mostly
used for bidirectional motor drives. The two TTL and CMOS-compatible control inputs
act on the output as follows:
Status
1
2
3
4
V
V
The following examples illustrate the operation:
Semiconductor Group
QL
QH
means: Lower power unit conducting; upper power unit blocked.
means: Upper power unit conducting; lower power unit blocked.
Status 1: Motor is slowed down
Status 2: Motor turns right
Status 3: Motor turns left
Status 4: Motor is slowed down
Input 1
L
L
H
H
Input 2
L
H
L
H
4
Output 1
V
V
V
V
QL
QL
QH
QH
Output 2
V
V
V
V
QL
QH
QL
QH
TLE 4203
1998-02-01