L6208Q STMicroelectronics, L6208Q Datasheet - Page 20

• Manufacturer Part Number: L6208Q
• Description: Dmos Driver For Bipolar Stepper Motor
• Manufacturer: STMicroelectronics

Circuit description
20/33
Figure 22. Overcurrent protection waveforms
Figure 23. t
BRIDGE
V
V
I
SOVER
OCD
th(OFF)
V
th(ON)
I
OFF
OFF
EN
V
ON
ON
OUT
DD
1 . 1 0
1 . 1 0
t
OCD(ON)
1 0 0
1 0 0
3
3
1 0
1 0
DISABLE
1
1
1
1
versus C
t
EN(FALL)
t
DELAY
Doc ID 018710 Rev 1
R
R
EN
E N
E N
t
D(OFF)EN
and R
= 2 2 0 k Ω
= 2 2 0 k Ω
C
C
E N
E N
EN
1 0
1 0
[ n F ]
[ n F ]
t
(V
OCD(OFF)
DD
= 5V)
R
R
E N
E N
V
= 1 0 0 k Ω
= 1 0 0 k Ω
EN(LOW)
t
t
EN(RISE)
DISABLE
1 0 0
1 0 0
R
R
R
R
R
R
E N
E N
E N
E N
E N
E N
t
D(ON)EN
= 4 7 k Ω
= 4 7 k Ω
= 3 3 k Ω
= 3 3 k Ω
= 1 0 k Ω
= 1 0 k Ω
L6208Q
AM02564v1