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L9960 датащи(PDF) 7 Page - STMicroelectronics

номер детали L9960
подробное описание детали  Automotive Single/Dual H-Bridge, SPI programmable DC Brushed Motor Driver
PDF  95 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L9960 датащи(HTML) 7 Page - STMicroelectronics

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DS11115 Rev 10
7/95
L9960, L9960T
List of figures
7
List of figures
Figure 1.
Block diagram for L9960. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 2.
Pin connection of L9960 version (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 3.
Pin connection of L9960T version (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 4.
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 5.
Example of VDD5 slopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 6.
External power supply circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 7.
Battery voltage monitoring – case1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 8.
Battery voltage monitoring – case2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 9.
VDD5 under voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 10.
VDD5 over voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 11.
POR timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 12.
HWSC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 13.
HWSC state diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 14.
Bridge STATE diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 15.
Bridge STATE diagram in VVL mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 16.
Bridge STATE diagram in IN1/IN2 mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 17.
4 cases of high-side/low-side activation (normal mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 18.
4 cases of high-side/low-side activation (IN1/IN2 mode) . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 19.
Ideal waveforms of switching with slew rate control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 20.
Tdiag2 blanking time depends on the Vps voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 21.
Slew rate switching strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 22.
Current limitation schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 23.
Effect of the temperature diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 24.
Thermal current limitation adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure 25.
Example of low-side transistor low impedance short circuit to battery (I < Ioc_ls) . . . . . . . . 57
Figure 26.
Over-current detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 27.
Example of correct Overcurrent detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 28.
Example of NO Overcurrent detection by Tdiag2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Figure 29.
Current diagnostic state diagram for each MOS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 30.
Open load timing diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Figure 31.
Structure and detection criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 32.
Open load off state diagnosis diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 33.
SPI SDO update at 2nd SPI command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 34.
SPI SDO is clocked on SCLK rising edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 35.
In case of no SCLK edge when NCS=0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 36.
Wafer XY coordinate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 37.
Daisy chain operation example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 38.
SPI timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 39.
PowerSSO-36 (exposed pad) package mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . 89



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