TCM811FERCTR

PMIC - Supervisors have become increasingly popular components in today’s integrated circuits, and the TCM811FERCTR is no exception. This supervisor chip is designed to provide reliable and efficient power management, as well as offer a vast array of features to enhance system stability. This application note will discuss the various application fields and working principles of the TCM811FERCTR supervisor.

The TCM811FERCTR is most commonly used as an active power supply supervisor. Its primary function is to monitor the voltage of a system’s main power supply, and switch the power supply’s output on and off depending on the type of load requirements. The chip offers various advanced features, such as a soft start circuit, delay on reset function, pull up/down resistors, selectable reset delay, and clock spreading. All these features ensure that the chip operates reliably and efficiently in a variety of application fields.

The TCM811FERCTR is also well suited for protection purposes, such as providing an over-voltage protection (OVP) and output current limit circuit. It can also be used as a voltage monitor or a watchdog (WDT) device, providing a watchdog signal when an erroneous event occurs. The chip also provides a manual reset signal, allowing users to initiate a manual reset when needed.

The TCM811FERCTR has an internal 2.4V voltage reference, which can be used for a variety of applications including power failure detection, power handshake input detection, clock pulse switching, and low voltage shutdown. Additionally, it includes a low voltage reset comparator, which monitors the voltage of the system and signals a reset if the voltage falls below a certain level.

The TCM811FERCTR also has an LED output pin which can be used as an indicator LED. This LED is activated when the pin voltage reaches a certain level and can be used to indicate power up, power down, or a fault condition. It is important to note that the LED pin is an open-drain output, so a pull-up resistor must be added if the output is to have a logic high state.

In addition to its monitoring and protection functions, the TCM811FERCTR offers multiple power supply options. The chip can be powered using either a supply voltage from 2.5V to 16V or a DC/DC regulator. When using a DC/DC converter, the chip can be set to operate from either positive or negative supplies, allowing for a wide range of input voltages.

overall, the TCM811FERCTR is an excellent supervisor chip, offering a variety of features and applications. It is an ideal choice for monitoring the voltage of the main power supply, providing over-voltage protection, and providing an LED output with power up and power down indications. It can also be used as a watchdog device, detecting erroneous events and signaling an appropriate reset. Additionally, the chip offers a variety of power supply options and selectable reset delay.