TIOS101 Datasheet, PDF (9/26 Pages) Texas Instruments – Digital Sensor Output Drivers with Integrated Surge Protection

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8 Detailed Description
TIOS101
SLLSEV6 – JULY 2017
8.1 Overview
Figure 8 shows that the device driver output (OUT) can be used in a push-pull, high-side, or low-side
configuration using the enable (EN) and transmit data (IN) input pins. OUT can drive resistive, large capacitive or
large inductive loads.
TIOS101 and TIOS101-x devices have integrated IEC 61000-4-4/5 EFT and surge protection. In addition,
tolerance to ±65-V transients enables flexibility to choose from a wider range of TVS diodes if an application
requires higher levels of protection. These integrated robustness features will simplify the system-level design by
reducing the external protection circuitry.
These devices implement protection features for over-current, over-voltage and over-temperature conditions. The
devices also provide a current-limit setting of the driver output current using an external resistor.
The TIOS101-x devices derive the low voltage supply from the typical 24 V industrial supply via an internal linear
regulator to provide power to the local controller and sensor circuitry.
8.2 Functional Block Diagrams
VCC_IN
VCC
IN
EN
Diagnostics
& Control
OUT
NFAULT
CUR_OK
TMP_OK
PWR_OK
GND
ILIM_ ADJ
Copyright © 2017, Texas Instruments Incorporated
Figure 8. Block Diagram, TIOS101
VCC_OUT
Voltage
Regulator
VCC
IN
EN
Diagnostics
& Control
OUT
NFAULT
CUR_OK
TMP_OK
PWR_OK
GND
ILIM_ADJ
Copyright © 2017, Texas Instruments Incorporated
Figure 9. Block Diagram, TIOS101-x
Copyright © 2017, Texas Instruments Incorporated
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