ZIOL2201 datasheet(90/91 Pages) ETC2

90 / 91 page

ZIOL2xxx – IC Family

IO-Link compliant HV Line Driver IC Family

Data Sheet

January 31, 2012

the prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to

changes without notice.

90 of 90

Number

Failure

IC Supply

IC function

to COM/AUX.

Reverse

interconnection

of the 24V

power supply

to L+ and L-.

The reverse polarity protection diodes

prevent a power supply of the IC.

No power – no function.

Reverse

interconnection

of the 24V

power supply

to L+ and L-

but in addition

to that is the

24V power

supply falsely

interconnected

to COM/AUX.

Also in

combination

with F1 or F2.

The IC is permanently powered via

the COM/AUX external protection

diodes (and internal parasitic diodes).

A similar situation is if the IC gets

“supply power” via incoming (toggling)

cable signals.

The LF function will detect this as

LINE_FAULT event and will raise an

exception. This exception can be signaled

to the µC via the INT_L signal if

configured accordingly.

Customer recommendation:

Subsequently the µC shall stop any

communication and shall handle (e.g.

signal) the power fail situation.

The voltage of

the regular

24V power

supply drops

under 8V

The control circuit of the IC is

powered regularly but the HV driver

may cause malfunction since the

voltage at the VDD pin dropped below

8V.

The UV function will detect this as

UNDER_VOLTAGE event and will raise

an exception unconditionally.

Sales and Further Information

www.zmdi.com

sales@zmdi.com

Zentrum Mikroelektronik

Dresden AG

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DISCLAIMER: This information applies to a product under development. Its characteristics and specifications are PRELIMINARY and subject to change without notice. Zentrum

Mikroelektronik Dresden AG (ZMD AG) assumes no obligation regarding future manufacture unless otherwise agreed to in writing. The information furnished hereby is believed to be true

and accurate. However, under no circumstances shall ZMD AG be liable to any customer, licensee, or any other third party for any special, indirect, incidental, or consequential damages of

any kind or nature whatsoever arising out of or in any way related to the furnishing, performance, or use of this technical data. ZMD AG hereby expressly disclaims any liability of ZMD AG

to any customer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liability of ZMD AG for any damages in connection with or

arising out of the furnishing, performance or use of this technical data, whether based on contract, warranty, tort (including negligence), strict liability, or otherwise.

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