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參數(shù)資料
| 型號： | MM908E625ACDWB |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 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, PLASTIC, SOIC-54 |
| 文件頁數(shù)： | 30/49頁 |
| 文件大?。?/td> | 907K |
| 代理商： | MM908E625ACDWB |
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Analog Integrated Circuit Device Data
36
Freescale Semiconductor
908E625
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
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.
H-Bridge Current Limitation Selection Bits (CLS2:CLS0)
These read/write bits select the current limitation value
according to Table 10. Reset clears the CLS2:CLS0 bits.
HIGH-SIDE DRIVER
The high-side output is a low-resistive high-side switch
targeted for driving lamps. The high side is protected against
over-temperature. To limit the high inrush current of bulbs,
overcurrent protection circuitry is used to limit the current.
The output is enabled with bit PSON in the System Control
Register and can be switched on/off with bit HS_ON in the
Power Output Register. Figure 21 depicts the high-side
switch circuitry and connection to external lamp.
HIGH-SIDE OVERVOLTAGE/UNDERVOLTAGE
PROTECTION
The high-side output pin, HS, is protected against under-
voltage/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 output is disabled.
The overvoltage/undervoltage status flags are cleared
and the output 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.
Figure 21. High-Side Circuitry
Table 10. H-Bridge Current Limitation Value Selection
Bits
CLS2
CLS1
CLS0
Current Limit
000
No Limit
001
010
011
55 mA (typ)
100
260 mA (typ)
101
370 mA (typ)
110
550 mA (typ)
111
740 mA (typ)
VSUP
HS
High-Side Driver
Charge Pump,
Overcurrent Protection,
Inrush Current Limiter
Control
On/Off
Current
Limit
Status
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| MM908E626AVDWB | 功能描述:馬達/運動/點火控制器和驅動器 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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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