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L9953LXP Datasheet(PDF) 27 Page - STMicroelectronics

Part # L9953LXP
Description  Door actuator driver
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9953LXP Datasheet(HTML) 27 Page - STMicroelectronics

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L9953LXP
Functional description of the SPI
Doc ID 16185 Rev 3
27/35
17
OUT8 – HS
on/off
If a bit is set the selected
output driver is switched
On. If the corresponding
PWM enable bit is set
(input register 1) the driver
is only activated if PWM1
(PWM2) input signal is
high. The outputs of
OUT1-OUT5 are half
bridges. If the bits of HS-
and LS-driver of the same
half bridge are set, the
internal logic prevents that
both drivers of this output
stage can be switched on
simultaneously in order to
avoid a high internal
current from VS to GND.
OUT8 – HS
over-current
In case of an over-current
event the corresponding status
bit is set and the output driver
is disabled. If the over-current
recovery enable bit is set
(input register 1) the output will
be automatically reactivated
after a delay time resulting in a
PWM modulated current with a
programmable duty cycle (bit
21).
If the over-current recovery bit
is not set the microcontroller
has to clear the over-current
bit (reset bit) to reactivate the
output driver.
16
x (don’t care)
0
15
OUT7 – HS
on/off
OUT7 – HS
over-current
14
OUT6 – HS
on/off
OUT6 – HS
over-current
13
x (don’t care)
0
12
x (don’t care)
0
11
x (don’t care)
10
OUT5 – HS
on/off
OUT5 – HS
over-current
9
OUT5 – LS
on/off
OUT5 – LS
over-current
8
OUT4 – HS
on/off
OUT4 – HS
over-current
7
OUT4 – LS
on/off
OUT4 – LS
over-current
6
OUT3 – HS
on/off
OUT3 – HS
over-current
5
OUT3 – LS
on/off
OUT3 – LS
over-current
4
OUT2 – HS
on/off
OUT2 – HS
over-current
3
OUT2 – LS
on/off
OUT2 – LS
over-current
2
OUT1 – HS
on/off
OUT1 – HS
over-current
1
OUT1 – LS
on/off
OUT1 – LS
over-current
0
0
No error bit
A logical NOR-combination of
all bits 1 to 22 in both status
registers.
Table 18.
SPI - input data and status registers 0 (continued)
Bit
Input register 0 (write)
Status register 0 (read)
Name
Comment
Name
Comment



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