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参数资料
| 型号： | MM908E625ACDWB |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54 |
| 封装： | 17.90 X 7.50 MM, 0.65 MM PITCH, PLASTIC, SOIC-54 |
| 文件页数： | 26/49页 |
| 文件大小： | 907K |
| 代理商： | MM908E625ACDWB |
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Analog Integrated Circuit Device Data
32
Freescale Semiconductor
908E625
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
HALF-BRIDGE OUTPUT REGISTER (HBOUT)
Low-Side On/Off Bits (HBx_L)
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
High-Side On/Off Bits (HBx_H)
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 0.1 kHz to 20 kHz.
Functionality
Each low-side MOSFET switches off if a current above the
selected current limit was detected. The 908E625 offers five
different current limits. Refer to Table 10 for current limit
values. The low-side MOSFET switches on again if a rising
edge on the FGEN input was detected (Figure 18).
Register Name and Address: HBOUT - $01
Bits
7
6
5
4
3
2
1
0
Read HB4_
H
HB4_
L
HB3_
H
HB3_
L
HB2_
H
HB2_
L
HB1_
H
HB1_
L
Write
Reset
0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MM908E625ACDWB/R2 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
| MM908E625ACEK | 功能描述:8位微控制器 -MCU Quad Half H-Bridge with P/S, HC08, LIN RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| MM908E625ACPEK | 功能描述:8位微控制器 -MCU R0 HI-BRDG EMBED MCU LIN RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| MM908E626 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
| MM908E626AVDWB | 功能描述:马达/运动/点火控制器和驱动器 QUADSTEPPER 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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