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L9969T Datasheet(PDF) 5 Page - STMicroelectronics

Part # L9969T
Description  Automotive chip for single and dual H-bridge
PDF  70 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9969T Datasheet(HTML) 5 Page - STMicroelectronics

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Figure 5. L9969T - pin connection (top view)
PSSO36
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
OUT22
PWM2
SI
NSS1
SCK
OUT11
PGND1
DIR2
DIS2
VS2
VS2
VDD2
NC
SO
AGND2
GNDNABE2
NABE1
CF1
PGND2
OUT21
VS1
DIS1
DIR1
PWM1
OUT12
NC
NSS2
NC
NC
CF2
NABE2
VS1
NDNABE1
AGND1
TEST
VDD1
1.3
Pin definitions and functions
Table 1. L9969S pin-out
Pin #
Pin name
Description
I/O type
Class
1
NC
Not connected
-
-
2
PGND
Power Ground of H-bridge
G
Global
3
OUT1
Output 1 of H-bridge
O
Global
4
NC
Not connected
-
-
5
SCK
SPI-Clock input of H-bridge
I
Local
6
NSS
SPI-Slave Select input of H-bridge
I
Local
7
SI
SPI-Slave In (data receive) input of H-bridge
I
Local
8
SO
SPI-Slave Out (data transceive) output of H-bridge
O
Local
9
CF
Current feedback of H-bridge.
Signal is proportional to the positive current in active LS-transistor of H-bridge.
O
Local
10
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
11
GNDNABE Reference Ground of VDD-monitoring.
G
Local
12
NC
Not connected
-
-
L9969x
Pin definitions and functions
DS14029 - Rev 3
page 5/70



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