TLE8082ES datasheet(25/61 Pages) INFINEON

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5.3

Overtemperature protection

5.3.1

T5V Overtemperature monitoring

The T5V overtemperature monitoring protects the sensor supply T5V against high temperatures. For

temperatures above the T5V Overtemperature detection threshold, the diagnosis bit T5VOT in register

DIAG0 is set. If the temperature level is below the threshold, the diagnosis bit is reset after an SPI read out.

An Overtemperature detection hysteresis and an Overtemperature filter time are implemented.

5.3.2

COM5V Overtemperature monitoring

The COM5V overtemperature monitoring protects the communication supply COM5V against high

temperatures. For temperatures above the COM5V Overtemperature detection threshold, the diagnosis bit

COM5VOT in register DIAG0 is set. If the temperature level is below the threshold, the diagnosis bit is reset after

an SPI read out.

An Overtemperature detection hysteresis and an Overtemperature filter time are implemented.

5.4

Electrical characteristics power supplies

Table 19

Electrical characteristics power supplies

TJ = -40°C to 150°C; VVS = 10 - 18 V; VV5VI = 5 V; all voltages with respect to AGND = PGND, positive current flowing

into pin (unless otherwise specified).

Parameter

Symbol

Values

Unit

Note or condition

P-Number

Min. Typ. Max.

Pre-regulator

output

voltage

VV6VI

6.5

DS-155

Pre-regulator

voltage drop

VS to VG -

normal

operation

VVS-VG

–

VVS ≥ 12 V; VV6VI < 6 V

VVS-VG = VVS - VVG

capacitive load at pin VG

DS-281

Pre-regulator

delta voltage

VG to VS - low

battery

ΔVVG-VS

3.5

–

4.5 V ≤ VVS ≤ 12 V; VV6VI < 6 V

ΔVVG-VS = VVG - VVS

capacitive load at pin VG

DS-280

Capacitor at

pin VG

CVG

–

4.7

–

connect to AGND

DS-158

Capacitor at

pin V6VI

CV6VI

–

μF

ICOM5V ≥ 35 mA; connect to AGND

DS-159

Capacitor at

pin CP

CCP

–

4.7

–

connect to AGND; no static load

DS-160

V5VI current

consumption

IV5VI

–

1.5

no SPI communication, power stages

disabled

DS-293

TLE8082ES

Small engine management IC

Power supply and voltage monitoring function

Datasheet

Rev. 1.0

2021-03-23

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