
Allicdata Part #: | CAT1163WI-25-T3-ND |
Manufacturer Part#: |
CAT1163WI-25-T3 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC SUPERVISOR CPU 8SOIC |
More Detail: | Supervisor Open Drain or Open Collector 1 Channel |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Part Status: | Obsolete |
Type: | Simple Reset/Power-On Reset |
Number of Voltages Monitored: | 1 |
Output: | Open Drain or Open Collector |
Reset: | Active High/Active Low |
Reset Timeout: | 130 ms Minimum |
Voltage - Threshold: | 2.55V |
Operating Temperature: | -40°C ~ 85°C (TA) |
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Introduction
CAT1163WI-25-T3 is a System and Global Supervisor with Watchdog Timer designed for automotive and wireless applications.
It features voltage monitoring, brownout protection, and manual reset inputs. The output states are directly linked to the system, either to reset the system (active-low output) or enable the system (active-high output).
Application Field
CAT1163WI-25-T3 is suitable for automotive, wireless, industrial and appliance applications where high reliability and low power-consumption are required.
In automotive infotainment applications, it offers an active-low, active-high open-drain reset and an active-low open drain reset, plus an optional manual reset. It them makes it possible to detect and control processor glitches or brownout conditions.
In wireless products, it provides battery monitoring, voltage supervisory or computational system reset functionality. It also can be used to monitor voltage levels of Li-Ion batteries, and to detect and control processor glitches or brownouts.
Working Principle
CAT1163WI- 25-T3 is a System and Global Supervisor, offering a 1V to 4.5V input voltage range with an accuracy of 250mV. The output state is directly linked to the system, either to reset the system (active-low output) or enable the system (active-high output).
It features two input pins, VR and TR, whose logic states are compared to VL thresholds and TR threshold, respectively. As long as both input pins, VR and TR, are below their respective thresholds, the internal control logic circuit will be enabled and the output will be high. When the VR pin rises above the VL threshold or the TR pin rises above the TR threshold, the circuit will reset the IC and the output will pull low.
CAT1163WI- 25-T3 includes a Watchdog timer with adjustable timeout period adjustable from 40ms to 1.5s. The WDT is enabled by setting the WDE pin high. When enabled, the WDT will reset the IC and the output low if the logic level on the WDE pin is not toggled back to low level within the chosen timeout period.
The IC also includes an optional manual reset (MR) feature. The manual reset (MR) pin is a dual-function input pin that can accept either a logic high (H) or logic low (L) level. Whenever a logic high is detected on the manual reset pin, the IC will reset the IC and the output goes low.
In addition to the reset and enable functionality, CAT1163WI- 25-T3 also features an auto-retry feature. Whenever the IC reset is triggered, the auto-retry feature will allow the IC to automatically re-attempt to power up the system, or selectively disable its reset feature depending on the logic state of the auto-retry (AR) input pin. This feature eliminates the need for external circuitry to control the reset and allows the IC to manage the reset process completely autonomously.
Conclusion
CAT1163WI- 25-T3 is a System and Global Supervisor suitable for automotive, wireless, industrial and appliance applications. It features voltage monitoring, brownout protection, auto-retry function and manual reset inputs, in addition to its watchdog timer functionality. This makes it a reliable and versatile solution for a wide range of applications.
The specific data is subject to PDF, and the above content is for reference
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