參數(shù)資料
型號： L9950TR
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動控制電子
英文描述： BRUSH DC MOTOR CONTROLLER, 10 A, PDSO36
封裝： ROHS COMPLIANT, SOP-36
文件頁數(shù)： 18/39頁
文件大小： 620K
代理商： L9950TR
L9950 - L9950XP
Functional description of the SPI
Doc ID 10311 Rev 10
4.4
Serial Data Out (DO)
The data output driver is activated by a logical low level at the CSN input and will go from
high impedance to a low or high level depending on the status bit 0 (fault condition). The first
rising edge of the CLK input after a high to low transition of the CSN pin will transfer the
content of the selected status register into the data out shift register. Each subsequent
falling edge of the CLK will shift the next bit out.
4.5
Serial clock (CLK)
The CLK input is used to synchronize the input and output serial bit streams. The data input
(DI) is sampled at the rising edge of the CLK and the data output (DO) will change with the
falling edge of the CLK signal.
4.6
Input data register
The device has two input registers. The first bit (bit 0) at the DI input is used to select one of
the two Input Registers. All bits are first shifted into an input shift register. After the rising
edge of CSN the contents of the input shift register will be written to the selected Input Data
Register only if a frame of exact 24 data bits are detected. Depending on bit 0 the contents
of the selected status register will be transferred to DO during the current communication
frame. Bit 1-17 controls the behavior of the corresponding driver.
If bit 23 is zero, the device will go into the standby mode. The bits 18 and 19 are used to
control the current monitor multiplexer. Bit 22 is used to reset all status bits in both status
registers. The bits in the status registers will be cleared after the current communication
frame (rising edge of CSN).
4.7
Status register
This devices uses two status registers to store and to monitor the state of the device. Bit 0 is
used as a fault bit and is a logical NOR combination of bits 1-22 in both status registers. The
state of this bit can be polled by the microcontroller without the need of a full SPI
communication cycle. If one of the over-current bits is set, the corresponding driver will be
disabled. If the over-current recovery bit of the output is not set the microcontroller has to
clear the over-current bit to enable the driver. If the thermal shutdown bit is set, all drivers
will go into a high impedance state. Again the microcontroller has to clear the bit to enable
the drivers.
相關(guān)PDF資料
PDF描述
L9953XPTR BRUSH DC MOTOR CONTROLLER, 10 A, PDSO36
L9953TR BRUSH DC MOTOR CONTROLLER, 10 A, PDSO36
L9953 BRUSH DC MOTOR CONTROLLER, 10 A, PDSO36
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L9950XP 功能描述:馬達(dá)/運(yùn)動/點火控制器和驅(qū)動器 DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
L9950XPTR 功能描述:馬達(dá)/運(yùn)動/點火控制器和驅(qū)動器 DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
L9951 功能描述:馬達(dá)/運(yùn)動/點火控制器和驅(qū)動器 REAR DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
L9951_10 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Rear door actuator driver
L-995-12 制造商:MOLEX 制造商全稱:Molex Electronics Ltd. 功能描述:NylaKrimp? Funnel Entry Ring Tongue Terminal for 4/0 AWG Wire, Stud #12
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