BTS7006-1EPZ datasheet(32/57 Pages) INFINEON

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Data Sheet

32

Rev. 1.00

2019-10-15

BTS7006-1EPZ

PROFET™+2 12V

Protection

Power supply voltage VS can increase above 18 V for short time, for instance in Load Dump or in Jump Start

condition. Whenever VS ≥ VS(JS), the overload detection current is set to IL(OVL_JS) as shown in Figure 25.

Figure 25 Overload Detection Current variation with VS voltage

When IL ≥ IL(OVL) (either IL(OVL0) or IL(OVL1)) the channel is switched OFF. The channel is allowed to be reactivated

according to the intelligent latch strategy described in Chapter 8.3.

8.3

Protection and Diagnosis in case of Fault

Any event that triggers a protection mechanism (either Overtemperature or Overload) has 2 consequences:

• The channel switches OFF and the internal latch is set to “1”

• If the diagnosis is active for the channel, a current IIS(FAULT) is provided by IS pin (see Chapter 9.2.2 for

further details)

The channel can be switched ON again if all the protection mechanisms fulfill the ”reactivation” conditions

described in Table 14. Furthermore, the device has the intelligent latch to protect itself against unwanted

repetitive reactivation in fault condition.

8.3.1

Intelligent Latch Strategy

At normal condition, when IN is set to “high”, the channel is switched ON. In case of fault condition the output

stage latches OFF. There are two ways to de-latch the switch.

With IN pin:

It is necessary to set the input pin to “low” for a time longer than tDELAY(LR) (“latch reset delay” time) to de-latch

the channel. The channel can be allowed to restart only if the “latch” conditions for the protection

mechanisms are fulfilled (see Table 14 ).

Table 14

Protection “Reactivation” Condition

Fault condition

Switch OFF event

“Reactivation” condition

Overtemperature

TJ ≥ TJ(ABS) or (TJ - TJ(REF)) ≥ TJ(DYN)

TJ < TJ(ABS) and (TJ - TJ(REF)) < TJ(DYN)

(including hysteresis)

Overload

IL ≥ IL(OVL)

Device is OFF

Protection_JS.emf

IL(OVL)

VS

VS(JS)

IL(OVL_JS)

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Infineon Technologies A...	BTS7006-1EPP	1Mb / 55P	PROFET??2 12V 1x 6.6 m廓 Smart High-Side Power Switch Rev. 1.04 2019-10-15

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Infineon Technologies A...	BTS7006-1EPP	1Mb / 55P	PROFET??2 12V 1x 6.6 m廓 Smart High-Side Power Switch Rev. 1.04 2019-10-15
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