参数资料
型号: MC33911BAC
厂商: Freescale Semiconductor
文件页数: 51/92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
MC33911BAC / MC34911BAC
PIN CONNECTIONS
Table 32. 33911 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section.
Pin
12
13
14
17
19
18
22
23
25
26
27
29
31
32
Pin Name
WDCONF
LIN
LGND
LS2
LS1
PGND
L2
L1
HS1
VS2
VS1
VSENSE
VDD
AGND
Formal Name
Watchdog
Configuration Pin
LIN Bus
LIN Ground Pin
Low Side Outputs
Power Ground Pin
Wake-Up Inputs
High Side Output
Power Supply Pin
Voltage Sense Pin
Voltage Regulator
Output
Analog Ground Pin
Definition
This input pin is for configuration of the watchdog period and
allows the disabling of the watchdog.
This pin represents the single-wire bus transmitter and receiver.
This pin is the device LIN ground connection. It is internally connected to the
PGND pin.
Relay drivers low side outputs.
This pin is the device low side ground connection. It is internally connected to
the LGND pin.
These pins are the wake-up capable digital inputs (69) . In addition, all LX inputs
can be sensed analog via the analog multiplexer.
High side switch output.
These pins are device battery level power supply pins. VS2 is supplying the
HS1 driver while VS1 supplies the remaining blocks. (70)
Battery voltage sense input. (71)
+5.0V main voltage regulator output pin. (72)
This pin is the device analog ground connection.
Notes
69. When used as a digital input, a series 33 k ? resistor must be used to protect against automotive transients.
70. Reverse battery protection series diodes must be used externally to protect the internal circuitry.
71. This pin can be connected directly to the battery line for voltage measurements. The pin is self-protected against reverse battery
connections. It is strongly recommended to connect a 10 k ? resistor in series with this pin for protection purposes.
72. External capacitor (2.0 μF < C < 100 μF; 0.1 ?? < ESR < 10 ? ) required.
33911
Analog Integrated Circuit Device Data ?
51
Freescale Semiconductor
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