TLE9879QXA40 英飞凌芯片 INFINEON 汽车电源数据手册 Rev. 1.0, 2017-02-02 中文版规格书.pdf

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TLE9879QXA40是一款由英飞凌公司生产的汽车应用微控制器，具有LIN通信和BLDC MOSFET驱动功能。该芯片的规格书以中文版的形式提供，文件名为"TLE9879QXA40 英飞凌芯片 INFINEON 中文版规格书手册.pdf"。该手册的英文名称为"Automotive Power Data Sheet Rev. 1.0, 2017-02-02 TLE9879QXA40 Microcontroller with LIN and BLDC MOSFET Driver for Automotive Applications"，总页数为1500。该手册的内容包括以下部分： 1. 概述：介绍了TLE9879QXA40的主要特点和应用领域。 2. 缩略语：列出了在手册中可能会使用的缩略语及其解释。 3. 块图：展示了TLE9879QXA40的组成结构和各个模块的关系。 4. 装置引脚和引脚配置：详细描述了芯片的引脚布局和功能。总的来说，这本规格书手册提供了TLE9879QXA40芯片的详细参数和功能说明，适用于汽车领域的应用。

TLE9879QXA40

Modes of Operation

Data Sheet 16 Rev. 1.0, 2017-02-02

Sleep Mode is activated after 5 consecutive watchdog failures or in case of supply failure (5 times). In this case,

MON is enabled as the wake source and Cyclic Wake-Up is activated with 1s of wake time.

Sleep Mode with Cyclic Wake-Up

The Cyclic Wake-Up Mode is a special operating mode of the Sleep Mode. The transition to Cyclic Wake-Up Mode

is performed by first setting the corresponding bits in the mode control register followed by the Sleep and Stop

Mode command. In addition to the cyclic wake-up behavior (wake-up after a programmable time period),

asynchronous wake events via the activated sources (LIN and/or MON) are available, as in normal Sleep Mode.

When using Sleep Mode with cyclic wake-up the voltage regulator is switched off and started again with the wake.

A limited number of registers is buffered during sleep, and can be used by SW e.g. for counting sleep/wake cycles.

MCU Slow Down Mode

In MCU Slow Down Mode the MCU frequency is reduced for saving power during operation. LIN communication

is still possible. LS MOSFET can be activated.

Wake-Up Source Prioritization

All wake-up sources have the same priority. In order to handle the asynchronous nature of the wake-up sources,

the first wake-up signal will initiate the wake-up sequence. Nevertheless all wake-up sources are latched in order

to provide all wake-up events to the application software. The software can clear the wake-up source flags. This

is to ensure that no wake-up event is lost.

As default wake-up source, the MON input is activated after power-on reset only. Additionally, the device is in

Cyclic Wake-Up Mode with the max. configurable dead time setting.

The following table shows the possible power mode configurations including the Stop Mode.

Table 3 Power Mode Configurations

Module/Function Active Mode Stop Mode Sleep Mode Comment

VDDEXT ON/OFF ON (no dynamic

load)/OFF

OFF –

Bridge Driver ON/OFF OFF OFF

LIN TRx ON/OFF wake-up only/

OFF

wake-up only/

OFF

–

VS sense ON/OFF

brownout

detection

brownout detection POR on VS brownout det. done in

PCU

GPIO 5V (wake-up) n.a. disabled/static OFF –

GPIO 5V (active) ON ON OFF –

WDT1 ON OFF OFF –

CYCLIC WAKE n.a. cyclic wake-up/

cyclic sense/OFF

cyclic wake-up/

OFF

–

Measurement ON

OFF OFF –

MCU ON/slow-

down/STOP

STOP

OFF –

CLOCK GEN (MC) ON OFF OFF –

LP_CLK (18 MHz) ON OFF OFF WDT1

LP_CLK2 (100 kHz) ON/OFF ON/OFF ON/OFF for cyclic wake-up

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