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參數(shù)資料
| 型號(hào)： | MM908E625ACPEK |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | FLASH, 32 MHz, MICROCONTROLLER, PDSO54 |
| 封裝： | 5.10 X 10.30 MM, 0.65 MM PITCH, LEAD FREE, SOIC-54 |
| 文件頁數(shù)： | 27/49頁 |
| 文件大?。?/td> | 965K |
| 代理商： | MM908E625ACPEK |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
33
908E625
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Figure 20. BEMF Signal Generation
HALF-BRIDGE OVER-TEMPERATURE
PROTECTION
The half-bridge outputs provide an over-temperature pre-
warning with the HTF in the Interrupt Flag Register (IFR). In
order to protect the outputs against over-temperature, the
high temperature reset must be enabled. If this value is
reached, the part generates a reset and disables all power
outputs.
HALF-BRIDGE OVER-CURRENT PROTECTION
The half-bridges are protected against short to GND, short
to VSUP, and load shorts.
In the event an over-current on the high side is detected,
the high side MOSFETs on all HB high side MOSFETs are
switched off automatically. In the event an over-current on the
low side is detected, all HB low side MOSFETs are switched
off automatically. In both cases the over-current status flag
HB_OCF in the system status register (SYSSTAT) is set.
The over-current status flag is cleared (and the outputs re-
enabled) by writing a Logic [1] to the HB_OCF flag in the
System status register or by reset.
HALF-BRIDGE OVER-VOLTAGE/UNDER-
VOLTAGE
The half-bridge outputs are protected against under-
voltage and over-voltage conditions. This protection is done
by the low and high voltage interrupt circuitry. If one of these
flags (LVF, HVF) is set, the outputs are automatically
disabled.
The over-voltage/under-voltage status flags are cleared
(and the outputs re-enabled) by writing a Logic [1] to the LVF/
HVF flags in the interrupt flag register or by reset. Clearing
this flag is useless as long as a high or low voltage condition
is present.
HALF-BRIDGE CONTROL REGISTER (HBCTL)
H-Bridge Offset Chopping Enable Bit (OFC_EN)
This read/write bit enables offset chopping. Reset clears
the OFC_EN bit.
1 = Offset chopping enabled
0 = Offset chopping disabled
H-Bridges Current Sense Amplification Select Bit (CSA)
This read/write bit selects the current sense amplification
of the H-Bridges. Reset clears the CSA bit.
1 = Current sense amplification set for measuring 0.5 A.
0 = Current sense amplification set for measuring 2.5 A.
Coil Current
Voltage on
1
BEMF Signal
Register Name and Address: HBCTL - $02
Bits
7
6
5
4
3
2
1
0
Read
OFC_EN
CSA
0
CLS2
CLS1
CLS0
Write
Reset
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM908E626 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
| MM908E626AVDWB | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 QUADSTEPPER 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 |
| MM908E626AVDWB/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
| MM908E626AVEK | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 QUADSTEPPER W/MCU 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 |
| 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 |
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