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参数资料
| 型号： | L9951 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 10 A, PDSO36 |
| 封装： | ROHS COMPLIANT, SOP-36 |
| 文件页数： | 17/36页 |
| 文件大小： | 532K |
| 代理商： | L9951 |
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Functional description of the SPI
L9951 / L9951XP
Doc ID 14173 Rev 8
Table 18.
Test mode
LS1 HS1
LS2 HS2
LS3 HS3
DO
LS1 HS1
LS2 HS2
LS3 HS3
CM
! (both HI)
NoError
! (both HI)
N.C
both HI
! (both HI)
DI
both HI
! (both HI)
Tsense1
! (both HI)
both HI
! (both HI)
CLK
! (both HI)
both HI
! (both HI)
Tsense2
both HI
! (both HI)
INT_CLK
both HI
! (both HI)
Tsense3
! (both HI)
both HI
PWM
! (both HI)
both HI
Tsense4
both HI
! (both HI)
both HI
N.C
! (both HI)
both HI
5A Iref
both HI
Vbandgap
Table 19.
SPI - Input data and status register 0
Input register 0 (write)
Status register 0 (read)
Bit
Name
Comment
Name
Comment
15
Reset bit
If reset bit is set both status
registers will be cleared after
rising edge of CSN input.
Always 1
A broken VCC-or SPI-
connection of the L9951 can
be detected by the
microcontroller, because all 16
bits low or high is not a valid
frame.
14
Disable open-
load
If the disable open-load bit is
set, the open-load status
bits will be ignored for the
NonErrorBit calculation.
VS
over-voltage
In case of an over-voltage or
undervoltage event the
corresponding bit is set and
the outputs are deactivated.
13
OC recovery
duty cycle
0: 12% 1: 25%
This bit defines in
combination with the over-
current recovery bit (input
register 1) the duty cycle in
over-current condition of an
activated driver. If
temperature warning bit is
set, L9951 will always use
the lower duty cycle
VS
undervoltage
If VS voltage recovers to
normal operating conditions
outputs are reactivated
automatically.
12
Overvoltage/
under-voltage
recovery
disable
If this bit is set the
microcontroller has to clear
the status register after
undervoltage/overvoltage
event to enable the outputs.
Thermal
shutdown
In case of an thermal
shutdown all outputs are
switched off. The
microcontroller has to clear the
TSD bit by setting the reset bit
to reactivate the outputs.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L9951_10 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Rear door actuator driver |
| L-995-12 | 制造商:MOLEX 制造商全称:Molex Electronics Ltd. 功能描述:NylaKrimp? Funnel Entry Ring Tongue Terminal for 4/0 AWG Wire, Stud #12 |
| L9951TR | 功能描述:马达/运动/点火控制器和驱动器 REAR DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| L9951XP | 功能描述:马达/运动/点火控制器和驱动器 DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| L9951XPTR | 功能描述:马达/运动/点火控制器和驱动器 DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
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