AP1702DWG-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	3.08V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SC-59-3
Base Part Number:	AP1702

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PMIC- Supervisors AP1702DWG-7 Application Field and Working Principle

AP1702DWG-7 is a power management integrated circuit (PMIC) and supervisor from Diodes Incorporated. It has been designed to provide power supply sequencing, monitoring, system reset and brownout protection for microprocessors, DSPs and microcontrollers. The AP1702DWG-7 is designed to provide system-level monitoring and protection functions, enabling the system to remain in a stable and reliable condition during operation.The AP1702DWG-7 has a compact 8-pin package, and its integrated circuit can reduce component count and system cost of the system. The AP1702DWG-7 is suitable for desktop, laptop and other industrial applications.

Application Field of AP1702DWG-7

The AP1702DWG-7 has three main application fields, which are as follows:

1. System Power Sequencing

The AP1702DWG-7 provides the system power sequencing, which will ensure that the power rails are turned on and off in the correct sequence. This is important in order to ensure that all components in the system are powered in the correct order and not powered on too soon, or shut down too quickly.This PMIC features two programmable power-on and power-off delays for sequential start-up and shut-down operations, Adjustable Power-on and Power-off Sequencing, and both manual and automatic power sequencing modes.

2. System Monitoring and Protection

The AP1702DWG-7 provides system monitoring and protection functions, which includes brownout monitoring, voltage monitoring, temperature monitoring and system reset. The brownout detection threshold voltage is adjustable and it ensures that the system remains in a stable and reliable condition during operation.The AP1702DWG-7 also provides programmable over and under voltage monitoring, as well as symmetric overvoltage and undervoltage protection. This feature helps to protect the system from over-voltage and/or under-voltage conditions.

3. Advanced System Security

The AP1702DWG-7 is designed with advanced system security features, which include adjustable start-up lockout feature and system password protection. The start-up lockout feature keeps the system from making any changes to its settings and prevents unauthorized access to the system. The password protection feature helps to protect the system from being tampered with by unauthorized individuals.

Working Principle of AP1702DWG-7

The AP1702DWG-7 is designed to provide system-level monitoring and protection functions, enabling the system to remain in a stable and reliable condition during operation. The AP1702DWG-7 utilizes a POR circuit to generate a reset signal upon power-on. This reset is used to reset all components within the system when the power is first turned on. The POR circuit also provides protection functions such as brownout detection and over-voltage/under-voltage detection. The AP1702DWG-7 also includes a Power Management Control Logic circuit, which is used to control the power sequencing of the system. The Power Management Control Logic circuit provides programmable power-on and power-off delays for sequential start-up and shut-down operations. It also enables the user to manually control the system power sequencing if needed. The AP1702DWG-7 also features two monitoring circuits, one for monitoring voltage levels and the other for monitoring temperature levels. The voltage monitoring circuit can be set to detect over-voltage and/or under-voltage conditions, while the temperature monitoring circuit can be set to detect over-temperature and/or under-temperature conditions. In order to provide advanced system security, the AP1702DWG-7 also includes a password protection and start-up lockout feature. The password protection feature helps to protect the system from being tampered with by unauthorized individuals, while the start-up lockout feature keeps the system from making any changes to its settings and prevents unauthorized access to the system.

Conclusion

In conclusion, the AP1702DWG-7 from Diodes Incorporated is a power management integrated circuit and supervisor which is designed to provide power supply sequencing, monitoring, system reset and brownout protection for microprocessors, DSPs and microcontrollers. The AP1702DWG-7 is suitable for desktop, laptop and other industrial applications, and provides system-level monitoring and protection functions, enabling the system to remain in a stable and reliable condition during operation.

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