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參數(shù)資料
| 型號： | MM908E625 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication(集成四半H橋，帶電源、嵌入式MCU和LIN串行通信功能) |
| 中文描述： | 綜合四半僅符合電源橋，嵌入式微控制器和LIN串行通信（集成四半魔橋，帶電源，嵌入式微控制器和林串行通信功能） |
| 文件頁數(shù)： | 32/40頁 |
| 文件大小： | 595K |
| 代理商： | MM908E625 |
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908E625
32
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
Figure 18. BEMF Signal Generation
Half-Bridge Overtemperature Protection
The half-bridge outputs provide an overtemperature pre-
warning with the HTF in the Interrupt Flag Register (IFR). In
order to protect the outputs against overtemperature, the High-
Temperature Reset must be enabled. If this value is reached,
the part generates a reset and disables all power outputs.
Half-Bridge Overcurrent Protection
The half-bridges are protected against short to GND, short to
VSUP, and load shorts.
In the event an overcurrent on the high side is detected, the
high-side MOSFETs on all HB high-side MOSFETs are
switched off automatically. In the event an overcurrent on the
low side is detected, all HB low-side MOSFETs are switched off
automatically. In both cases the overcurrent status flag
HB_OCF in the System Status Register (SYSSTAT) is set.
The overcurrent 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 Overvoltage/Undervoltage
The half-bridge outputs are protected against undervoltage
and overvoltage 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 overvoltage/undervoltage 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)
OFC_EN—H-Bridge Offset Chopping Enable Bit
This read/write bit enables offset chopping. Reset clears the
OFC_EN bit.
1 = Offset chopping enabled.
0 = Offset chopping disabled.
CSA—H-Bridges Current Sense Amplification Select Bit
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
1
BEMF Signal
Register Name and Address: HBCTL - $02
Bit7
6
5
4
3
2
1
Bit0
Read
OFC_EN
CSA
0
0
0
CLS2
CLS1
CLS0
Write
Reset
0
0
0
0
0
0
0
0
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MM908E625ACDWB | 功能描述:8位微控制器 -MCU 32 Bit 8MHz 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 |
| MM908E625ACDWB/R2 | 制造商:MOTOROLA 制造商全稱: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 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 |
| 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 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 |
| 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 |
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