TLE7183QUSCD3 datasheet(18/28 Pages) INFINEON

18 / 28 page

TLE7183QU

Data Sheet

Rev. 1.1, 2016-01-28

Table 4

Prioritization of Errors

5.2.8

Electrical Characteristics

Priority

Error

Short Circuit Detection

Undervoltage Shut Down

Overvoltage Shut Down

Overtemperature Warning

Overcurrent Warning

Electrical Characteristics - Protection and diagnostic functions

S = 5.5 to 20V, Tj = -40 to +150°C, all voltages with respect to ground, positive current flowing into pin

(unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

Overtemperature

5.2.1

Overtemperature Warning

j(OW)

150

170

190

°C

–

5.2.2

Hysteresis for Overtemperature

Warning

j(OW)

–20

–

°C

–

Overcurrent warning

5.2.3

Overcurrent Threshold

THOC

–

4.5

Vs=5.5..8V

5.2.4

Overcurrent Threshold

THOC

–

4.8

Vs=8..20V

5.2.5

Input Offset Voltage of OC Comp

OCOF

-50

–

5.2.6

Input Offset Voltage Temperature

Drift of OC Comp1)

VIO

-5

–5mV

–

5.2.7

Overcurrent Warning Threshold

Hysteresis

THOC

–

Vs=5.5..8V

5.2.8

Overcurrent Warning Threshold

Hysteresis

THOC

–

Vs=8..20V

5.2.9

Filter Time of Overcurrent Warning t

1.0

1.5

3.0

µs

Short Circuit Protection

5.2.10

Filter Time of Short Circuit

Protection

SCP(off)

4.5

6.8

µs

default

5.2.11

Maximum Duty Cycle for no SCD2) DySCDmax

–

–6%

fPWM=20kHz at IHx

or ILx and at static

applied SC

5.2.12

Minimum Duty Cycle for Periodic

SCD2)

DySCDmin

––%

fPWM=20kHz at IHx

or ILx and at static

applied SC

5.2.13

Short Circuit Detection Level SCD1 V

SCP1(off)

0.3

0.5

0.65

please contact

Infineon

5.2.14

Short Circuit Detection Level SCD2 V

SCP2(off)

0.6

0.75

0.9

–

5.2.15

Short Circuit Detection Level SCD3 V

SCP3(off)

0.85

1.0

1.15

please contact

Infineon

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