STMicroelectronics Demonstration board using a dual full-bridge L6227Q EVAL6227QR EVAL6227QR Ficha De Dados
Códigos do produto
EVAL6227QR
L6227Q
Circuit description
17/27
Figure 15.
Overcurrent protection waveforms
Figure 16.
t
DISABLE
versus C
EN
and R
EN
(V
DD
= 5 V)
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
1
1 0
1 0 0
1
1 0
1 0 0
1 .1 0
3
C
E N
[n F ]
t
DI
S
A
B
L
E
[µs
]
R
E N
= 2 2 0 k
Ω
R
E N
= 1 0 0 k
Ω
R
E N
= 4 7 k
Ω
R
E N
= 3 3 k
Ω
R
E N
= 1 0 k
Ω
1
1 0
1 0 0
1
1 0
1 0 0
1 .1 0
3
C
E N
[n F ]
t
DI
S
A
B
L
E
[µs
]
R
E N
= 2 2 0 k
Ω
R
E N
= 1 0 0 k
Ω
R
E N
= 4 7 k
Ω
R
E N
= 3 3 k
Ω
R
E N
= 1 0 k
Ω