TLV809J25DBVR

TLV809J25DBVR is a low power single supply supervisor designed for monitoring digital supplies, as well as analog rail voltages down to 1.2V. It is a typical power monitoring and reset devices with a range of features that make it ideal for protecting systems against brownouts, overvoltage and overcurrent. The TLV809J25DBVR falls into the Power Management Integrated Circuit (PMIC) - Supervisors category and it works by generating an internal reset signal when it detects an out-of-range condition.

Features

TLV809J25DBVR has a wide input range, with operating voltage of 1.6V to 5.5V, and a fast voltage monitoring response that includes a programmable short delay and long delay reset time. It also offers programmable window and hysteresis settings, allowing users to fine-tune the device’s protection threshold and reset time. The device also has a comparator output and open-drain reset output, making it suitable for use in a variety of applications. Additionally, this supervisor incorporates a range of protection features to protect against faults such as overcurrent, overvoltage and undervoltage.

Applications

The TLV809J25DBVR is suitable for use in a range of applications requiring supervisor circuits. These include automotive and consumer electronics applications, such as cellular phones, portable audio players and LCD TVs. It is also suitable for use in other system protection applications such as voltage regulators and will help ensure that all components remain safe in the event of an unexpected power outage. It\'s also suitable for battery-powered applications, as it has very low supply current, making it ideal for portable devices.

Working Principle

The TLV809J25DBVR works by monitoring all the input voltages on the device, and if any of the monitored voltages exceed the predetermined threshold voltage, it triggers the internal reset signal. This internal reset signal is then output through the reset pins, forcing the system to reset. The device also features programmable window and hysteresis, giving users the flexibility to adjust the reset pulse width and the threshold voltage at which the reset will be triggered. The device also has an input enable and enable output feature, allowing users to enable and disable the internal reset circuitry.

The TLV809J25DBVR is a great way to protect any system from brownout, overvoltage and overcurrent faults. It provides users with a wide range of features and adjustable thresholds, ensuring the device is adaptable enough to align with a variety of applications.