BTT6050-2ERA datasheet(19/53 Pages) INFINEON

tên linh kiện	BTT6050-2ERA

Giải thích chi tiết về linh kiện	Smart High-Side Power Switch Dual Channel, 50 m廓

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Datasheet

19

Rev.1.00

2019-03-09

PROFET™+ 24V

BTT6050-2ERA

Protection Functions

Figure 15 Undervoltage Behavior

6.3

Overvoltage Protection

There is an integrated clamp mechanism for overvoltage protection (ZD(AZ)). To guarantee this mechanism

operates properly in the application, the current in the Zener diode has to be limited by a ground resistor.

Figure 16 shows a typical application to withstand overvoltage issues. In case of supply voltage higher than

VS(AZ), the power transistor switches ON and the voltage across the logic section is clamped. As a result, the

internal ground potential rises to VS - VS(AZ). Due to the ESD Zener diodes, the potential at pin IN and DEN rises

almost to that potential, depending on the impedance of the connected circuitry. In the case the device was

ON, prior to overvoltage, the BTT6050-2ERA remains ON. In the case the BTT6050-2ERA was OFF, prior to

overvoltage, the power transistor can be activated. In the case the supply voltage is in above VBAT(SC) and below

VDS(AZ), the output transistor is still operational and follows the input. If at least one channel is in the ON state,

parameters are no longer guaranteed and lifetime is reduced compared to the nominal supply voltage range.

This especially impacts the short circuit robustness, as well as the maximum energy EAS capability.

Figure 16 Overvoltage Protection with External Components

undervoltage behavior .vsd

VOUT

VS(OP)

VS(UV)

VS

IN0

DEN

IS

ZDESD

GND

OUT

VS

VBAT

ZD(AZ)

LOGIC

DSEL

Overvoltage protection.vsd

ZDS(AZ)

IN1

RIN

RDEN

RDSEL

RSENSE

RIS

ISOV

ZIS(AZ)

ZGND

L, RL

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