L6229 STMicroelectronics, L6229 Datasheet - Page 17

• Manufacturer Part Number: L6229
• Description: DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR
• Manufacturer: STMicroelectronics

Figure 21. Overcurrent Protection Waveforms
Figure 22. t
Figure 23. t
DISABLE
DELAY
versus C
versus C
V
EN
BRIDGE
V
I
V
=V
SOVER
th(OFF)
OCD
th(ON)
I
OFF
OFF
DIAG
V
OUT
ON
ON
DD
EN
EN
.
t
OCD(ON)
1 . 1 0
1 . 1 0
and R
1 0 0
1 0 0
3
3
1 0
1 0
0.1
1
1
10
1
1
1
1
t
EN(FALL)
EN
t
DELAY
.
t
R
R
D(OFF)EN
E N
E N
= 2 2 0 k Ω
= 2 2 0 k Ω
C
C
E N
E N
Cen [nF]
t
OCD(OFF)
1 0
1 0
10
[n F ]
[n F ]
R
R
V
E N
E N
EN(LOW)
t
t
EN(RISE)
DISABLE
= 1 0 0 k Ω
= 1 0 0 k Ω
1 0 0
1 0 0
100
R
R
R
R
R
R
t
D(ON)EN
E N
E N
E N
E N
E N
E N
= 4 7 k Ω
= 4 7 k Ω
= 3 3 k Ω
= 3 3 k Ω
= 1 0 k Ω
= 1 0 k Ω
D02IN1383
L6229
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