BTS6143D datasheet(9/18 Pages) INFINEON

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PROFET® BTS 6143 D

Data Sheet

9 of 18

Rev. 1.0, 2007-02

Input circuit (ESD protection)

V bb

Rbb

Z,IN

V bIN

V IN

ESD-Zener diode: 67 V typ., max 15 mA;

Current sense output

Normal operation

Vbb

Z,IS

Rbb

IIS

IIS,fault

VZ,IS = 67 V (typ.), RIS = 1 kΩ nominal (or 1 kΩ /n, if n

devices are connected in parallel). IS = IL/kilis can be

only driven by the internal circuit as long as

Vout - VIS > 5V. Therefore RIS should be less than

−

Note: For large values of RIS the voltage VIS can reach

almost Vbb. See also overvoltage protection.

If you don't use the current sense output in your

application, you can leave it open.

Inductive and overvoltage output clamp

+ Vbb

OUT

PROFET

VON is clamped to VON(Cl) = 42 V typ

Overvoltage protection of logic part

+ Vbb

VOUT

Signal GND

Logic

PROFET

Z,IS

Z,IN

R V

V Z,VIS

Rbb = 100

Ω typ., VZ,IN = VZ,IS = 67V typ., RIS = 1kΩ

nominal. Note that when overvoltage exceeds 67 V typ.

a voltage above 5V can occur between IS and GND, if

RV, VZ,VIS are not used.

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