參數(shù)資料
型號： L99H01XPTR
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動控制電子
英文描述： BRUSH DC MOTOR CONTROLLER, PDSO36
封裝： ROHS COMPLIANT, SSOP-36
文件頁數(shù)： 19/53頁
文件大?。?/td> 1129K
代理商： L99H01XPTR
Device description
L99H01
Doc ID 15567 Rev 3
3
Device description
3.1
Dual power supply: VS and VCC
The power supply voltage VS supplies the charge-pump. An internal charge-pump is used to
drive the high-side switches and the low-side switches. The logic supply voltage VCC
(3.3 V / 5 V) is used for the logic part and the SPI of the device. Due to the independent logic
supply voltage the control and status information is not lost, even if the supply voltage VS is
switched-off. In case of power-on (VCC increases from undervoltage to
VPOR OFF = 2.5 V, typical) the circuit is initialized by an internally generated power-on reset
(POR). If the voltage VCC decreases under the minimum threshold (VPOR ON =2.2 V,
typical), the outputs are switched-off and the status registers are cleared.
3.2
Standby mode (EN)
The L99H01 is activated with enable input high signal. For enable input floating (not
connected) or VEN = 0 V the device is in standby mode. All latched data are cleared and the
inputs and outputs are switched-off. In the standby mode the current at VS is less than 5 A
(1 A) for CSN = high (DO in tristate). If VCC > VPOR OFF and EN = high the device enters
the active mode. In the active mode the charge-pump and the diagnostic functions are
active.
3.3
H-bridge control (DIR, PWM, bit FW)
The DIR and PWM inputs control the drivers of the external H-bridge transistors. The motor
direction can be chosen with the DIR input, the duty cycle and frequency with the PWM
input. With the SPI registers FW and FW-PAS 4 different free wheeling modes (2 active and
2 passive) can be selected using the high-side transistors or the low-side transistors.
Unconnected inputs are defined by internal pull-down current.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L99LD01 制造商:STMicroelectronics 功能描述:
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L99-M0014-1000-A 功能描述:MAGNETIC USB MAGNETIC USB 2.0 A 制造商:rosenberger north america 系列:- 零件狀態(tài):在售 配置:A 公型至 Micro-B 公型 長度:3.28'（1.00m） 規(guī)格:USB 2.0 屏蔽:無屏蔽 樣式:加長電纜 標(biāo)準(zhǔn)包裝:100
L99-M0015-150-A 功能描述:MAGNETIC USB MAGNETIC USB 2.0 A 制造商:rosenberger north america 系列:- 零件狀態(tài):在售 配置:A母頭至微型B公頭 長度:3.28'（1.00m） 規(guī)格:USB 2.0 屏蔽:無屏蔽 樣式:加長電纜 標(biāo)準(zhǔn)包裝:100
L99MC6 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 6 CH DEVICE 0.6 A 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
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