Datasheet

L6206
10/23
Figure 7. Overcurrent Protection Simplified Schematic
Figure 8. Overcurrent Protection Waveforms
+
OVER
TEMPERATURE
I
REF
I
REF
(I
1A
+I
2A
) / n
I
1A
/ n
POWER SENSE
1 cell
POWER SENSE
1 cell
POWER DMOS
n cells
POWER DMOS
n cells
HIGH SIDE DMOSs OF
THE BRIDGE A
OUT1
A
OUT2
A
VS
A
I
1A
I
2A
I
2A
/ n
OCD
COMPARATOR
TO GATE
LOGIC
INTERNAL
OPEN-DRAIN
R
DS(ON)
40Ω TYP.
C
ENA
R
ENA
R
CLA
.
EN
A
OCD
A
PROGCL
A,
+5V
1.2V
-
+
µC or LOGIC
D02IN1354
I
SOVER
I
OUT
V
th(ON)
V
th(OFF)
V
EN(LOW)
V
DD
t
OCD(ON)
t
D(ON)EN
t
EN(FALL)
t
EN(RISE)
t
DISABLE
t
DELAY
t
OCD(OFF)
t
D(OFF)EN
V
EN
BRIDGE
ON
OFF
OCD
ON
OFF
D02IN1400