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| 型号： | MC34912BACR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 34/95页 |
| 文件大小： | 0K |
| 描述： | IC SYSTEM BASIS CHIP LIN 32-LQFP |
| 标准包装： | 2,000 |
| 应用： | 系统基础芯片 |
| 电流 - 电源： | 4.5mA |
| 电源电压： | 5.5 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-LQFP |
| 供应商设备封装： | 32-LQFP（7x7） |
| 包装： | 带卷 (TR) |
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MC33912G5AC / MC34912G5AC
FUNCTIONAL DEVICE OPERATIONS
OPERATIONAL MODES
HVSE
Interrupt
Control
Module
PWMHSx
V DD
V DD
VS2
PWMIN
MOD1:2
HSx
HSxOP
HSxCL
Control
on/off
Status
High Side Driver
charge pump
open load detection
current limitation
over-temperture shutdown (interrupt maskable)
high voltage shutdown (maskable)
HSx
Wakeup
Module
Figure 17. High Side Drivers HS1 and HS2
Open Load Detection
Each high side driver signals an open load condition if the
current through the high side is below the open load current
threshold.
The open load condition is indicated with the bits HS1OP and
HS2OP in the High Side Status Register (HSSR).
Current Limitation
Each high side driver has an output current limitation. In
combination with the over-temperature shutdown the high-
side drivers are protected against over-current and short-
circuit failures.
When the driver operates in the current limitation area, it is
indicated with the bits HS1CL and HS2CL in the HSSR.
Note: If the driver is operating in current limitation mode,
excessive power might be dissipated.
Over-temperature Protection (HS Interrupt)
Both high side drivers are protected against over-
temperature. In case of an over-temperature condition both
high side drivers are shut down and the event is latched in the
Interrupt Control Module. The shutdown is indicated as HS
Interrupt in the Interrupt Source Register (ISR).
A thermal shutdown of the high side drivers is indicated by
setting all HSxOP and HSxCL bits simultaneously.
If the bit HSM is set in the Interrupt Mask Register (IMR), then
an interrupt (IRQ) is generated.
A write to the High Side Control Register (HSCR), when the
over-temperature condition is gone, will re-enable the high
side drivers.
High-voltage Shutdown
In case of a high voltage condition and if the high voltage
shutdown is enabled (bit HVSE in the Mode Control Register
(MCR) is set both high side drivers are shut down.
A write to the High Side Control Register (HSCR), when the
high voltage condition is gone, will re-enable the high side
drivers.
Sleep And Stop Mode
The high side drivers can be enabled to operate in Sleep and
LOW SIDE OUTPUT PINS LS1 AND LS2
These outputs are two low side drivers intended to drive
relays incorporating the following features:
? PWM capability (software maskable)
? Open load detection
? Current limitation
? Over-temperature shutdown (with maskable interrupt)
? Active clamp (for driving relays)
? High-voltage shutdown (software maskable)
The low side switches are controlled by the bit LS1:2 in the
Low Side Control Register (LSCR).
33912
Analog Integrated Circuit Device Data ?
34
Freescale Semiconductor
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC34912BTACR2 | 功能描述:LIN 收发器 SBC LIN 2G RoHS:否 制造商:NXP Semiconductors 工作电源电压: 电源电流: 最大工作温度: 封装 / 箱体:SO-8 |
| MC34912G5AC | 功能描述:LIN 收发器 SBCLIN2.5G predriver & CS RoHS:否 制造商:NXP Semiconductors 工作电源电压: 电源电流: 最大工作温度: 封装 / 箱体:SO-8 |
| MC34912G5ACR2 | 功能描述:接口 - 专用 SBCLIN2.5G PREDRIVER&CS RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
| MC34913 | 制造商:SPC Multicomp 功能描述:PLUG PANEL MOUNT 4WAY 制造商:SPC Multicomp 功能描述:PLUG, PANEL MOUNT, 4WAY 制造商:SPC Multicomp 功能描述:PLUG AND SOCKET CONNECTOR HOUSING; Series:2259(5559)A; No. of Positions:4; Pitch Spacing:4.2mm; For Use With:4.2mm Pin & Socket Connectors; Color:Natural; Connector Mounting:Panel; Connector Type:Plug & Socket; Gender:Receptacle ;RoHS Compliant: Yes |
| MC34915 | 制造商:SPC Multicomp 功能描述:PLUG PANEL MOUNT 5WAY 制造商:SPC Multicomp 功能描述:PLUG, PANEL MOUNT, 5WAY 制造商:SPC Multicomp 功能描述:PLUG AND SOCKET CONNECTOR HOUSING; Series:2259(5559)A; No. of Positions:5; Pitch Spacing:4.2mm; For Use With:4.2mm Pin & Socket Connectors; Color:Natural; Connector Mounting:Panel; Connector Type:Plug & Socket; Gender:Receptacle ;RoHS Compliant: Yes |
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