MAX6868UK23D1S+T

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Power Management IC (PMIC) is one of the most important components used in various embedded design applications. As the name implies, PMIC manages the system’s power. It is responsible for controlling the power source, regulating the power flow, and providing power signals to the different systems. One of the most important functions of PMIC is supervising circuits. Supervising circuits are responsible for observing the power and providing protection for the embedded system by providing reset or delay signals. These signals are then used to reset the system to a safe and predefined state whenever the power supply or other components fail. The MAX6868UK23D1S+T is a PMIC supervisor chip from Maxim Integrated. It is designed to provide supply and line supervision for systems that use 3-4.2V and 5-12V supplies. It is designed to reduce the complexity of implementing manual reset or power-on reset circuitry and reduce power consumption of modern embedded systems. This device helps protect against power failures and provide system stability.

The MAX6868UK23D1S+T is available in SOT23-5, SC70-5, and 3-mm x 3-mm TDFN-6 packages. It includes an adjustable watchdog timer, internal low voltage detector, and an adjustable S/R latch. The MAX6868UK23D1S+T can be used in applications such as CDMA handsets, Bluetooth modules, wireless LAN, digital TVs, and more.The watchdog timer of the MAX6868UK23D1S+T is a digital timer, which is designed to monitor the system’s status and reset the system whenever the system operation is stopped or an unexpected error occurs. The watchdog timer is able to recognize whether the system is operating normally or not. If a problem occurs, it sends out a signal to reset the system.The internal low voltage detector monitors the system supply voltage and generates a reset output in case the voltage drops below the specified level. This can be used to protect the system from damage due to power-supply failure or to place the system in a safe state in case of a power outage.The MAX6868UK23D1S+T’s adjustable S/R latch is used to prevent system resetting due to power glitches or similar disturbances. This S/R latch holds the reset signal and re-energizes the circuit only when it is safe to do so.Overall, the MAX6868UK23D1S+T is an ideal choice for embedded systems requiring reliable power monitoring and resetting capabilities. The device is highly integrated and offers a great balance of cost, performance, and flexibility. The device’s Multiple voltage supervisor deployments, adjustable timer, internal low voltage detector and adjustable S/R latch help ensure that the system is protected against power failures and is able to recover from errors without compromising system performance.

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