APX812-29UG-7 Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	2.93V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-253-4, TO-253AA
Supplier Device Package:	SOT-143
Base Part Number:	APX812

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The APX812-29UG-7 is a multi-purpose power management integrated circuit (PMIC) that focuses on providing power supervision and protection for a wide array of electronic devices. This state-of-the-art PMIC includes various reset ladder circuits, reset delay timing, thermal shutdown, under-voltage detection, and over-voltage protection. It is mainly used in applications such as notebook PCs, mainframe computers, set-top boxes, or servers, which require a high level of power management and protection.The APX812-29UG-7 has a wide range of features and functions designed to meet the stringent power requirements of these devices. It offers a comprehensive set of power management and protection options, such as automatic power sequencing, sequencing up to four channels, programmable reset delays, separate regulator outputs, and thermal protection. Additionally, it has a high level of integration, so it requires fewer external components. As such, it can be used for applications that need multiple power sources and power management but require little space and component count.The APX812-29UG-7 provides a reset delay from 2ms to 200ms, allowing it to handle various power conditions such as system boot-up and restart. Its reset output is active-low and is active during the specified reset delay period. During this time, the reset output of the APX812-29UG-7 remains low and all functions are disabled until the reset counting period is over. Once the reset period has ended, the output of the reset pin goes high and normal operations can resume.The APX812-29UG-7’s over-voltage protection circuit monitors the VCC line in the device and will immediately shut down the device if the voltage exceeds the set limit. The device will remain shut down until the voltage has gone down below the set limit. This feature helps to ensure that the device does not suffer from over-voltage damage.The APX812-29UG-7 features a built-in thermal protection mechanism. In order to protect itself, the PMIC will shut down if the temperature exceeds a user-defined set point. This helps to protect the device against thermal-induced damage.The APX812-29UG-7 also offers multiple output voltage options. It is capable of generating -5V and +5V, but can also be programmed to generate -10V and +10V. The output voltage range of the voltage regulator is adjustable from 1V to 13.2V. The built-in voltage regulation circuitry helps to ensure the correct output voltage for the device.The APX812-29UG-7 also features a watchdog timer to monitor system operations. The watchdog timer allows for a predetermined period for the system to be active and in-use. If this predefined period is exceeded, the watchdog timer will reset the system. This will ensure that the system stays operational and avoids system hangs or freeze-ups.The APX812-29UG-7 is an advanced PMIC that is designed to meet the stringent power requirements of today’s electronics. Its impressive feature set, wide range of power management and protection options, and multiple output voltage options make it an ideal choice for applications such as notebooks, servers, or set-top boxes. Its reset delay, over-voltage protection, thermal protection, and watchdog timer provide additional protection and also help to ensure the reliability of the system.

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