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| 型号： | MC33911BAC |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 34/92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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MC33911G5AC/MC3433911G5AC
FUNCTIONAL DEVICE OPERATIONS
OPERATIONAL MODES
HVSE
Interrupt
Control
Module
PWMHS1
V DD
V DD
VS2
PWMIN
MOD1:2
HS1
HS1OP
HS1CL
Control
on/off
Status
High Side Driver
charge pump
open load detection
current limitation
over-temperture shutdown (interrupt maskable)
high voltage shutdown (maskable)
HS1
Wakeup
Module
Figure 17. High Side Drivers HS1
Open Load Detection
The 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 bit HS1OP in the
High Side Status Register (HSSR).
Current Limitation
The high side driver has an output current limitation. In
combination with the over-temperature shutdown the high-
side driver is protected against over-current and short-circuit
failures.
When the driver operates in the current limitation area, it is
indicated with the bit HS1CL in the HSSR.
Note: If the driver is operating in current limitation mode,
excessive power might be dissipated.
Over-temperature Protection (HS Interrupt)
The high side driver is protected against over-temperature. In
case of an over-temperature condition, the high side driver is
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 driver is indicated by
setting the HS1OP and HS1CL 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 driver.
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 the high side driver is shut down.
A write to the High Side Control Register (HSCR), when the
high voltage condition is gone, will re-enable the high side
driver.
Sleep And Stop Mode
The high side driver 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).
To protect the device against over-voltage when an inductive
load (relay) is turned off. An active clamp will re-enable the
low side FET if the voltage on the LS1 or LS2 pin exceeds a
certain level.
33911
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 |
|---|---|
| MC33911BACR2 | 功能描述:LIN 收发器 SBC LIN2G 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 |
| MC33911G5AC | 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 |
| 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 |
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