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L9969X датащи(PDF) 6 Page - STMicroelectronics

номер детали L9969X
подробное описание детали  Automotive chip for single and dual H-bridge
PDF  70 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9969X датащи(HTML) 6 Page - STMicroelectronics

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Pin #
Pin name
Description
I/O type
Class
14
NC
Not connected
-
-
15
AGND
Ground connection of H-bridge
G
Local
16
TEST
Factory test-mode activation
I
Local
17
VDD
5 V Supply for H-bridge. Input for VDD monitoring.
P
Local
18
VS
Supply voltage for H-bridge power stage
P
Global
19
DIS
Disable input for H-bridge.
High-level disables the power stage (OUT1 and OUT2)
I
Local
20
DIR
Direction input of H-bridge.
I
Local
21
PWM
PWM input of H-bridge.
Controls the frequency and the duty cycle of the power stage (OUT1 and OUT2).
I
Local
22
NC
Not connected
-
-
23
OUT2
Output 2 of H-bridge.
O
Global
24
NC
Not connected
-
-
-
Exp. PAD
Exposed pad is connected to AGND
-
-
Note:
Legenda: I = Input, O = Output, P = Power Supply, G = Ground, I/O = Input/Output
Table 2. L9969U pin-out
Pin #
Pin name
Description
I/O type
Class
1
PGND
Power Ground of H-bridge
G
Global
2
OUT1
Output 1 of H-bridge
O
Global
3
SCK
SPI-Clock input
I
Local
4
NSS
SPI-Slave Select input
I
Local
5
SI
SPI-Slave In (data receive) input
I
Local
6
SO
SPI- Slave Out (data transceive) outpu
O
Local
7
CF
Current feedback of H-bridge
Signal is proportional to the positive current in active LS-transistor of H-bridge.
O
Local
8
NABE
Bidirectional Enable/Disable in-/output.
Open-drain output, switched to low at VDD over and undervoltage condition.
Low level disables the power stage. (OUT1 and OUT2)
I/O
Local
9
GNDNABE Reference Ground for VDD-monitoring of H-bridge
G
Local
10
NC
Not connected.
-
-
11
NC
Not connected.
-
-
12
NC
Not connected.
-
-
13
NC
Not connected.
-
-
14
NC
Not connected.
-
-
15
NC
Not connected.
-
-
16
NC
Not connected.
-
-
17
NC
Not connected.
-
-
18
NC
Not connected.
-
-
19
NC
Not connected.
-
-
20
NC
Not connected.
-
-
L9969x
Block diagram and pin description
DS14029 - Rev 6
page 6/70



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