L6229D(2018) データシートの表示（PDF） - STMicroelectronics
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L6229D Datasheet PDF : 33 Pages
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Pin connections
3
Pin connections
L6229
Figure 2. Pin connections (top view)
H1
DIAG
SENSEA
RCOFF
OUT1
GND
GND
TACHO
RCPULSE
SENSEB
FWD/REV
EN
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
D01IN1194A
H3
H2
VCP
OUT2
VSA
GND
GND
VSB
OUT3
VBOOT
BRAKE
VREF
SO24
GND
N.C.
N.C.
VSA
OUT2
N.C.
VCP
H2
H3
H1
DIAG
SENSEA
RCOFF
N.C.
OUT1
N.C.
N.C.
GND
1
36
2
35
3
34
4
33
5
32
6
31
7
30
8
29
9
28
10
27
11
26
12
25
13
24
14
23
15
22
16
21
17
20
18
19
D01IN1195A
PowerSO36(1)
GND
N.C.
N.C.
VSB
OUT3
N.C.
VBOOT
BRAKE
VREF
EN
FWD/REV
SENSEB
RCPULSE
N.C.
TACHO
N.C.
N.C.
GND
1. The slug is internally connected to pins 1, 18, 19 and 36 (GND pins).
Package
Table 5. Pin description
SO24
PowerSO36 Name
Type
Function
Pin no.
1
2
3
4
5
Pin no.
10
11
12
13
15
H1
DIAG
SENSEA
RCOFF
OUT1
Sensor input
Open drain
output
Power supply
RC pin
Power output
Single ended hall effect sensor input 1.
Overcurrent detection and thermal protection pin. An
internal open drain transistor pulls to GND when an
overcurrent on one of the high-side MOSFETs is
detected or during thermal protection.
Half-bridge 1 and half-bridge 2 source pin. This pin
must be connected together with pin SENSEB to
power ground through a sensing power resistor.
RC network pin. A parallel RC network connected
between this pin and ground sets the current
controller OFF-time.
Output 1
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DocID9455 Rev 5
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