E981.12A39BB ELMOS Semiconductor, E981.12A39BB Datasheet - Page 17

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E981.12A39BB

Manufacturer Part Number
E981.12A39BB
Description
Interface - Specialized Dual I/O Link Master Transciever
Manufacturer
ELMOS Semiconductor
Datasheet

Specifications of E981.12A39BB

Rohs
yes
Product Type
Dual I/O link Master Transceiver
Operating Supply Voltage
3.3 V
Supply Current
5.5 mA
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Package / Case
QFN-44
Minimum Operating Temperature
- 40 C
Dual IO-Link Master Transceiver with UARTS
E981.12
ADVANCE PRODUCT INFORMATION - JUL 26, 2011
In case of an over current is detected directly after the transmitter is activated by setting the pin TXEN
to high (or Bit STXEN=1), the output current is limited to an over current threshold I
. The transmitter
LIM_x
remains active for T
After this time the transmitter is disabled for T
After this first sequence
dON_OL.
dOFF1_OL.
a cyclic overcurrent shutdown with a configurable current limitation (I
) and dutycycle (T
THx_OFF_CONFx
dON_OL
/ T
) is implemented (see Fig. 6).
dOFF2_OL_CONFx
The configured dutycycle must not exceed the power dissipation limits of the device.
Fig. 6: Transmitter over load sequence
If an overload occurs while the transmitter was already active, it will turn off immediately after a
debounce time T
for T
, followed by the sequence described above using off times
deb_OL
d_Off2_OL
T
(see Fig. 7).
d_Off2_OL_confx
Fig. 7: Over load while driver was already active
This document contains information on a new product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.
ELMOS Semiconductor AG
Data Sheet 17 / 44
QM-No.: 25DS0069E.00

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