TLE9255WLC datasheet(17/100 Pages) INFINEON

17 / 100 page

Data Sheet

Rev. 1.02 2018-02-02

TLE9255W

Modes of Operation

5.4

Sleep Mode

Sleep mode is a low power mode with minimized quiescent current. If the TLE9255W detects a wake-up event

in Sleep Mode, then it changes to Stand-by Mode. Sleep Mode has three Sub-Modes.

Figure 8

Mode change in Sleep Mode

Figure 9

Sub-Modes in Sleep Mode

Sleep Mode

Wake-up event

ECNT > 31

Stand-by Mode

Any Mode

VIO undervoltage

AND

tVIO_UV_T expired

AND

tSilence expired

SPI MC

command

VCC undervoltage

AND

tVCC_UV_T expired

AND

tSilence expired

SPI MC

command

Sleep WUP

Sub-Mode

Selective Wake

Sub-Mode

(WUF detection in SPI

configured)

Selective Sleep

Sub-Mode

(WUF detection in SPI

configured)

Sleep Mode

tSilence expired

WUP detection

Stand-by Mode

WUF OR LWU

detection

OR ECNT > 31

SPI MC

command

LWU detection

Any Mode

WUP OR LWU

detection

SPI MC

command

SPI MC

command

SPI MC

command

VCC undervoltage

AND

tVCC_UV_T expired

AND

tSilence expired

SPI MC

command

(VIO < VIO_UV

AND

VIO_UV_T expired

AND

tSilence expired)

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