參數(shù)資料
型號(hào)： MM908E626AVDWB
廠(chǎng)商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54
封裝： 17.90 X 7.50 MM, 0.65 MM PITCH, LEAD FREE, PLASTIC, SOIC-54
文件頁(yè)數(shù)： 19/44頁(yè)
文件大?。?/td> 833K
代理商： MM908E626AVDWB
Analog Integrated Circuit Device Data
26
Freescale Semiconductor
908E626
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
HBx_L—Low Side On/Off Bits
These read/write bits turn on the low side MOSFETs.
Reset clears the HBx_L bits.
1 = Low side MOSFET turned on for half-bridge output
x.
0 = Low side MOSFET turned off for half-bridge output
x.
HBx_H—High Side On/Off Bits
These read/write bits turn on the high side MOSFETs.
Reset clears the HBx_H bits.
1 = High side MOSFET turned on for half-bridge output
x.
0 = High side MOSFET turned on for half-bridge output
x.
HALF-BRIDGE CURRENT LIMITATION
Each low side MOSFET offers a current limit or constant
current feature. This features is realized by a pulse width
modulation on the low side MOSFET. The pulse width
modulation on the outputs is controlled by the FGEN input
and the load characteristics. The FGEN input provides the
PWM frequency, whereas the duty cycle is controlled by the
load characteristics.
The recommended frequency range for the FGEN and the
PWM is 0.1kHz to 20kHz.
Functionality
Each low side MOSFET switches off if a current above the
selected current limit was detected. The 908E626 offers five
different current limits (refer to Table 8, page 30, for current
limit values). The low side MOSFET switches on again if a
rising edge on the FGEN input was detected (Figure 13).
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MM908E626AVDWB/R2 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication
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MM908E626AVPEK 功能描述:8位微控制器 -MCU MCU + LIN + MOTOR DRIVER RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
MM908E626AVPEKR2 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
MM908E626R2 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication
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