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L99DZ120 Datasheet(PDF) 79 Page - STMicroelectronics

Part # L99DZ120
Description  Automotive door actuator driver with embedded LIN
PDF  162 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99DZ120 Datasheet(HTML) 79 Page - STMicroelectronics

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L99DZ120
Application information
161
4.14
Auto-recovery alert and thermal expiration
The thermal expiration feature provides a robust protection against possible microcontroller
malfunction, switching off a given channel if continuously driven in auto-recovery. If the
temperature of the related cluster increases by more than 30 °C after reaching the auto-
recovery time tAR, the channel is switched off. The thermal expiration status bit
OUTx_TH_EX (SR 3) is set.
During auto-recovery condition, OUTx_OCR_ALERT (SR 4) is set. The Alert bit indicates
that an overload condition (load in-rush, short-circuit, etc) is present.
The thermal expiration feature is controlled by SPI (OUTx_OCR_THX_EN (CR 8).
Table 48. Power output settings
OUTx_3 OUTx_2
OUTx_1
OUTx_0
Description
00
0
0
OFF
00
0
1
ON
00
1
0
Timer1 output is controlled by timer1; starting with ON
phase after timer restart
00
1
1
Timer2 output is controlled by timer2; starting with ON
phase after timer restart
01
0
0
PWM1
01
0
1
PWM2
01
1
0
PWM3
01
1
1
PWM4
10
0
0
PWM5
10
0
1
PWM6
10
1
0
PWM7
10
1
1
PWM8
11
0
0
PWM9
11
0
1
PWM10
11
1
0
DIR1
11
1
1
DIR2



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