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L9396 Folha de dados(PDF) 7 Page - STMicroelectronics

Nome de Peças L9396
Descrição Electrónicos  Automotive multiple power supply IC
PDF  109 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9396 Folha de dados(HTML) 7 Page - STMicroelectronics

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DS12539 Rev 6
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L9396
List of figures
7
List of figures
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 2.
Pins connection diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 3.
Boost regulator block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 4.
Charge pump block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 5.
VCORE configuration diagram (buck regulator - top, linear regulator - bottom) . . . . . . . . . 27
Figure 6.
Power up sequence from wake up input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 7.
Power down sequence from wake up input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 8.
Standstill operation diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 9.
Wheel speed sensor protocol types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 10.
ADC conversion time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 11.
Reset input logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 12.
Reset output logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 13.
WD1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 14.
Mono-directional timing check evolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 15.
Bidirectional timing check evolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 16.
Timing State evolution depending on WD_TO_RST_EN and WD_REQ_CHECK_EN . . . 74
Figure 17.
WD1 state machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 18.
WD1_RESET & DRIVERS ENABLE versus WD_CNT value. . . . . . . . . . . . . . . . . . . . . . . 76
Figure 19.
Seed generation algorithm block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 20.
Seed selection and elaboration flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 21.
Answer check generation algorithm block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 22.
WD2 timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 23.
WD2 diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Figure 24.
GSW[8..0] bits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Figure 25.
SPI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Figure 26.
TQFP64 (10x10x1 mm exp. pad down) package outline . . . . . . . . . . . . . . . . . . . . . . . . . 104
Figure 27.
TQFP64 (10x10x1 mm exp. pad down) marking information . . . . . . . . . . . . . . . . . . . . . . 107



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