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| 型号： | MC33911G5AC |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 69/92页 |
| 文件大小： | 0K |
| 描述： | IC SYSTEM BASIS CHIP 32LQFP |
| 标准包装： | 250 |
| 应用： | 系统基础芯片 |
| 电流 - 电源： | 4.5mA |
| 电源电压： | 5.5 V ~ 27 V |
| 工作温度： | -40°C ~ 125°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： | 托盘 |
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MC33911BAC / MC34911BAC
FUNCTIONAL DESCRIPTION
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
MC33911 - Functional Block Diagram
Window Watchdog
WakeUp
SPI Interface
LS/HS - PMW Control
Digital / Analog Input
Voltage & Temperature
Sense
Reset & IRQ Logic
LIN Interface / Control
High Side Drivers
HS1
Low Side Driver
LS1 - LS2
Voltage Regulator
VDD
LIN Physical Layer
Interface LIN
Analog Output 0
Analog Circutry
MCU Interface and Output Control
Figure 37. Functional Internal Block Diagram
Drivers
ANALOG CIRCUITRY
The 33911 is designed to operate under automotive
operating conditions. A fully configurable window watchdog
circuit will reset the connected MCU in case of an overflow.
Two low-power modes are available with several different
wake-up sources to reactivate the device. Two analog / digital
inputs can be sensed or used as the wake-up source.
The device is capable of sensing the supply voltage
(VSENSE), the internal chip temperature (CTEMP) as well as
the motor current using an external sense resistor.)
HIGH SIDE DRIVER
One current and temperature protected high side driver with
PWM capability is provided to drive small loads such as
status LED’s or small lamps.
The driver can be configured for periodic sense during low-
power modes.
LOW SIDE DRIVERS
Two current and temperature protected low side drivers with
PWM capability are provided to drive H-Bridge type relays for
power motor applications.
MCU INTERFACE
The 33911 is providing its control and status information
through a standard 8-Bit SPI interface. Critical system events
such as low or high-voltage/temperature conditions as well as
over-current conditions in any of the driver stages can be
reported to the connected MCU via IRQ or RST.
Both low side and both high side driver outputs can be
controlled via the SPI register as well as PWMIN input.
The integrated LIN physical layer interface can be configured
via the SPI register and its communication is driven through
the RXD and TXD device pin.
All internal analog sources are multiplexed to the ANOUT0
pin.
VOLTAGE REGULATOR OUTPUTS
One voltage regulators is implemented on the 33911. The
VDD main regulator output is designed to supply an MCU
with a precise 5.0 V.
LIN PHYSICAL LAYER INTERFACE
The 33911 provides a LIN 2.0 compatible LIN physical layer
interface with selectable slew rate and various diagnostic
features.
33911
Analog Integrated Circuit Device Data ?
69
Freescale Semiconductor
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC33911G5ACR2 | 功能描述:LIN 收发器 SBC LIN 2.5G Medium end 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 |
| MC33912BAC | 功能描述:LIN 收发器 SBC LIN2G - HI END 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 |
| MC33912BACR2 | 功能描述:LIN 收发器 SBC LIN2G - HI END 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 |
| MC33912G5AC | 功能描述:LIN 收发器 SBC LIN 2.5G 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 |
| MC33912G5ACR2 | 功能描述:LIN 收发器 SBC LIN 2.5G 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 |
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