参数资料
| 型号： | MCZ33810EK |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 28/37页 |
| 文件大小： | 0K |
| 描述： | IC IGNITION INJECTOR 32-SOIC |
| 标准包装： | 42 |
| 应用： | 自动 |
| 电流 - 电源： | 10mA |
| 电源电压： | 4.5 V ~ 36 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-BSOP（0.295"，7.50mm 宽）裸露焊盘 |
| 供应商设备封装： | 32-SOICW 裸露焊盘 |
| 包装： | 管件 |
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FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
protection circuit uses the junction temperature of the output
Table 18. Injector Driver (OUTx) Fault Operation
driver to determine the fault. Both methods may be used
together or individually.
TIMER PROTECTION
The first protection scheme uses a low ON to OFF duty
cycle to protect the output driver. The low duty cycle allows
the device to cool so that the maximum junction temperatures
are not exceeded. During a short condition, the device enters
current limit. The driver will shutdown for short conditions
lasting longer than the current limit timer (~60 μ s)
Shutdn
Retry
Bit 11
1
1
1
TLIM
Bit 10
0
1
1
Fault
Timer
Bit 9
X
0
1
Operation During Short Fault
Timer only, Outputs will retry on period
OUT0-OUT3 = 60 μ s ON, ~10ms OFF
T LIM only, Outputs will retry on T LIM
hysteresis.
Timer and T LIM , Outputs will retry on
period and driver temperature below
threshold.
TEMPERATURE LIMIT (T LIM )
OUT0-OUT3= 60 μ s ON, ~10ms OFF
The second scheme senses the temperature of the
individual output driver. During a short event the device
enters current limit and will remain in current limit until the
output driver temperature limit is exceeded ( T LIM ). At this
point, the device will shutdown until the junction temperature
falls below the hysteresis temperature value. The T LIM
hysteresis value is listed in the previous specification tables.
The third method combines both protection schemes into
one. During a short event the device will enter current limit.
The output driver will shutdown for short conditions lasting
0
0
0
0
1
1
X
0
1
Timer only, Outputs will not retry on
period
OUT0-OUT3 = 60 μ s ON, OFF
T LIM only, Outputs will not retry on TLim
hysteresis.
Timer and T LIM , Outputs will not retry on
period or T LIM .
OUT0-OUT3 = 60 μ s ON, OFF
longer than the current limit timer. In the event that the output
driver temperature is higher than maximum specified
temperature the output will shutdown.
The Shutdown/Retry bit allows the user to determine how
the drivers will respond to each short circuit strategy.
Table 18 provides fault operation for all three strategies.
Outputs may be used in parallel to drive higher current
loads provided the turn-off energy of the load does not
exceed the energy rating of a single output driver (100mJ
maximum).
OUTPUT DRIVER DIAGNOSTICS.
Short to battery, Temperature Limit ( T LIM ) and open load
faults are reported through the All Status Response message
OFF OPEN LOAD PULL-DOWN CURRENT ENABLE
BITS
An open load on the output driver is detected by the
voltage level on the drain of the MOSFET in the off state.
Internal to the device is a 75 μ A pull-down current sink. In the
event of an open load the drain voltage is pulled low. When
the voltage crosses the threshold, and open load is detected.
The pull-down current source may be disabled by bit 0
through bit 3 in the LSD Fault Command. With the driver off
and the Off Open Load bit disabled, the Off Open Load fault
status bit will be logic 0.
ON OPEN LOAD ENABLE BITS
The On State Open Load enable bit allows the user to
determine an On State Open Load. When the On State Open
Load bit disabled, the On State Fault bit is always logic 0. On
Open Load is determined by monitoring the current through
the OUTx MOSFET. In the ON state, currents less than 20 to
200mA are considered open.
33810
Analog Integrated Circuit Device Data
28
Freescale Semiconductor
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCZ33810EK/R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Automotive Engine Control IC |
| MCZ33810EKR2 | 功能描述:马达/运动/点火控制器和驱动器 Ignition Injector Driver 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 |
| MCZ33810R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Automotive Engine Control IC Quad injector driver with Parallel/SPI control |
| MCZ33811EG | 功能描述:电流和电力监控器、调节器 SOLENOID MONITOR IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MCZ33811EGR2 | 功能描述:电流和电力监控器、调节器 SOLENOID MONITOR IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
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