参数资料
型号: MC34912BAC
厂商: Freescale Semiconductor
文件页数: 70/95页
文件大小: 0K
描述: IC SYSTEM BASIS CHIP LIN 32-LQFP
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 ~ 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: 托盘
MC33912BAC / MC34912BAC
FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
VOLTAGE SENSE PIN (VSENSE)
This input can be connected directly to the battery line. It is
protected against battery reverse connection. The voltage
present in this input is scaled down by an internal voltage
divider, and can be routed to the ADOUT0 output pin and
used by the MCU to read the battery voltage.
The ESD structure on this pin allows for excursion up to
+40 V and down to -27 V, allowing this pin to be connected
directly to the battery line. It is strongly recommended to
connect a 10 kohm resistor in series with this pin for
protection purposes.
HALL SENSOR SWITCHABLE SUPPLY PIN (HVDD)
The HVDD pin needs to be connected to an external
capacitor to stabilize the regulated output voltage.
+5V MAIN REGULATOR OUTPUT PIN (VDD)
An external capacitor has to be placed on the VDD pin to
stabilize the regulated output voltage. The VDD pin is
intended to supply a microcontroller. The pin is current limited
against shorts to GND and over-temperature protected.
During Stop mode, the voltage regulator does not operate
with its full drive capabilities and the output current is limited.
During Sleep mode, the regulator output is completely shut
down.
This pin provides a switchable supply for external hall
sensors. While in Normal mode, this current limited output
can be controlled through the SPI.
33912
Analog Integrated Circuit Device Data ?
70
Freescale Semiconductor
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