MICROCHIP TCM809SENB713 is a Supervisor Circuit designed to monitor the operations of VDD in circuits. In this article, we talk extensively about what a VDD is and why the MICROCHIP TCM809SENB713 is used for its monitoring.
What is VDD in Circuits?
VDD means Voltage Drain Drain or Voltage (at) Drain. It is used to facilitate the supply of digital circuits, especially in CMOS, PMOS and NMOS devices.
Worthy of mentioning is that a VDD helps in regulating the voltage or current in devices with a 3.3 up to 5.5 volts of power supply.
What Does MICROCHIP TCM809SENB713’s Supervisor Circuit Do?
By default, MICROCHIP TCM809SENB713 is a Supervisor Circuit. It is so-called because of the inclusion of electronic circuits that monitor the power supply in a circuit. It also helps in finding out when inappropriate power supply is transmitted and to help stop that.
According to Wikipedia, Supervisory Circuits are known by many other names, ranging from Supply Supervisory Circuits, Battery Monitors, Reset Circuits and Power Supply Monitors.
With your MICROCHIP TCM809SENB713, it would be easier to monitor the operations of power supply voltages and other components like microprocessors inside a circuit board.
The MICROCHIP TCM809SENB713 is also reliable because when the power supply becomes unacceptable or when any of the parameters goes out of bounds, it can help keep them in check.
Technical Specifications of MICROCHIP TCM809SENB713
Below is a table representing the technical attributes of the MICROCHIP TCM809SENB713 Supervisory Circuit.
| Technical Attributes | Description |
| Height | 1.02mm |
| Length | 3.05mm |
| Mounting Style | Surface Mount Technology (SMT)/Surface Mount Device (SMD) |
| Series of Supervisory Circuit | TCM809 |
| Operating Current Supply | 9 uA |
| Product Category | Supervisory Circuits |
| Manual Reset Option | None |
| Output Current | 20 mA |
| Minimum Operating Temperature | – 40˚C |
| Maximum Operating Temperature | + 85˚C |
| Width | 1.4mm |
| Reset Delay Time | 320ms |
| Power Dissipation | 320 mW |
| Supply Voltage (min-max) | 1 volt – 5.5 volts |
Features of MICROCHIP TCM809SENB713
Let us talk about some of the features that make MICROCHIP TCM809SENB713 one of the best Supervisory Circuits you can find out there.
1. Push-Pull Output
The MICROCHIP TCM809SENB713 uses both the Active Low and Push-Pull output type. The Push-Pull output has to do with the pair of complementary MOFSETs that combine to regulate the flow of current in the circuit board.
Accordingly, it must only be one on the circuit to prevent “collisions” or malfunctioning. That way, the Push-Pull output would effectively source current if the one available on the bus is low. It can also “sink” or reduce the flow of current if it is becoming higher than the bus can carry.
One other outstanding feature of the Push-Pull output is that it provides high-speed rail-to-rail performance on the bus.
