BTT6200-1ENA datasheet(17/46 Pages) INFINEON

Teilenummer	BTT6200-1ENA

Bauteilbeschribung	Smart High-Side Power Switch Single Channel, 200m廓

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Hersteller	INFINEON [Infineon Technologies AG]

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Data Sheet

17

Rev. 1.0

2018-05-14

PROFET™+ 24 V

BTT6200-1ENA

Protection Functions

6

Protection Functions

The device provides integrated protection functions. These functions are designed to prevent the destruction

of the IC from fault conditions described in the data sheet. Fault conditions are considered as “outside”

normal operating range. Protection functions are designed for neither continuous nor repetitive operation.

6.1

Loss of Ground Protection

In case of loss of the module ground and the load remains connected to ground, the device protects itself by

automatically turning OFF (when it was previously ON) or remains OFF, regardless of the voltage applied on IN

pins.

In case of loss of device ground, it’s recommended to use input resistors between the microcontroller and the

BTT6200-1ENA to ensure switching OFF the channel.

In case of loss of module or device ground, a current (IOUT(GND)) can flow out of the DMOS as illustrated in

Figure 14.

ZGND is recommended to be a resistor in series to a diode .

Figure 14 Loss of Ground Protection with External Components

6.2

Undervoltage Protection

Between VS(UV) and VS(OP), the undervoltage mechanism is triggered. VS(OP) represents the minimum voltage

where the switching ON and OFF can takes place. VS(UV) represents the minimum voltage the switch can hold

ON. If the supply voltage is below the undervoltage mechanism VS(UV), the device is OFF (turns OFF). As soon as

the supply voltage is above the undervoltage mechanism VS(OP), then the device can be switched ON. When the

switch is ON, protection functions are operational. Nevertheless, the diagnosis is not guaranteed until VS is in

the VNOM range. Figure 15 sketches the undervoltage mechanism.

IN

DEN

IS

ZDESD

GND

OUT

VS

VBAT

ZD(AZ)

LOGIC

Loss of ground protection single.vsd

IOUT(GND)

ZDS(AZ)

RIN

RDEN

RSENSE

RIS

ZIS(AZ)

ZGND

L, RL

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