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L99UDL01 Datasheet(PDF) 10 Page - STMicroelectronics

Part # L99UDL01
Description  L99UDL01 Automotive Universal Door Lock IC
PDF  88 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99UDL01 Datasheet(HTML) 10 Page - STMicroelectronics

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Block diagram and pin descriptions
L99UDL01
10/88
DS12511 Rev 5
1.2
Pin description
Table 2. Pin description
Pin #
Name
Description
1
VS1_2
Supply for half bridge 1
2
OUT1_1
Half bridge output 1
3
OUT1_2
Half bridge output 1
4
GND1_1
Ground for half bridge 1
5
GND1_2
Ground for half bridge 1
6
VS2_1
Supply for half bridge 2
7
VS2_2
Supply for half bridge 2
8
OUT2_1
Half bridge output 2
9
OUT2_2
Half bridge output 2
10
GND2_1
Ground for half bridge 2
11
GND2_2
Ground for half bridge 2
12
VS3_1
Supply for half bridge 3
13
VS3_2
Supply for half bridge 3
14
OUT3_1
Half bridge output 3
15
OUT3_2
Half bridge output 3
16
GND3_1
Ground for half bridge 3
17
GND3_2
Ground for half bridge 3
18
EN_OUT
Failsafe logic input. On its rising edge, EN_OUT activates outputs including External
MOSFET drivers. Low disables all actuations.
19
DOUT
Programmable I/O pin / Default as Global Fault Flag
20
GNDEXT1
Ground for VDS reference for low side MOSFET
21
GATEL1
Gate drive for low side external MOSFET
22
SRC1
Source – Drain node between high and low side MOSFETS. Used for VDS detection of
both high and low side MOSFETs
23
GATEH1
Gate drive for high side external MOSFET
24
DRN1
Drain connection for external H-Bridge, Sensing for VDS fault
25
GNDEXT2
Ground for VDS reference for low side MOSFET
26
GATEL2
Gate drive for low side external MOSFET
27
SRC2
Programmable I/O pin / Optional Source – Drain node between high and low side
auxiliary MOSFETS. Used for VDS detection of both high and low side MOSFETs
28
GATEH2
Programmable I/O pin / optional external gate drive for auxiliary high side MOSFET
29
DRN2
Drain connection for external H-Bridge, Sensing for VDS fault
30
GND
Ground pin
31
NC
Not Connected pin; to leave floating



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