TPS3813K33
Compact processor supervisor ICs with programmable watchdog window
Manufacturer： ['rochester', 'ti']
series introduction
# Introduction to the TPS3813K33 Product Series
## Overview
The TPS3813K33 is a highly reliable and versatile product series within the realm of power management integrated circuits (PMICs). Developed by Texas Instruments, a global leader in semiconductor technology, this series is designed to provide essential voltage monitoring and reset functions for a wide range of electronic systems.
## Key Features
### 1. Precise Voltage Monitoring
The TPS3813K33 is engineered to accurately monitor the supply voltage of a system. It has a fixed threshold voltage of 3.3V, which is a commonly used voltage level in many modern electronic devices. This precise monitoring ensures that the system operates within the specified voltage range, preventing potential malfunctions or damage caused by over - or under - voltage conditions.
### 2. Low Power Consumption
One of the standout features of this product series is its extremely low power consumption. In standby mode, the quiescent current is very low, typically in the microampere range. This makes it an ideal choice for battery - powered devices where power efficiency is crucial. By minimizing power consumption, the TPS3813K33 helps to extend the battery life of the device, reducing the frequency of battery replacements or recharging.
### 3. Adjustable Reset Timeout
The TPS3813K33 allows for adjustable reset timeout periods. This feature gives designers the flexibility to tailor the reset behavior of the system according to its specific requirements. The reset timeout can be adjusted using an external capacitor, enabling the system to have a controlled and reliable startup sequence. For example, in systems with complex initialization processes, a longer reset timeout can be set to ensure that all components are properly initialized before the system starts operating.
### 4. Push - Pull or Open - Drain Output Options
This product series offers both push - pull and open - drain output options. The push - pull output provides a strong drive capability, which is suitable for directly driving other digital circuits. On the other hand, the open - drain output allows for easy interfacing with other devices in a wired - OR configuration, providing greater flexibility in system design.
### 5. Small Package Size
The TPS3813K33 is available in a small and compact package, such as the SOT - 23 package. This small form factor makes it suitable for space - constrained applications, such as portable devices, wearables, and IoT (Internet of Things) devices. The small package size also helps to reduce the overall board space requirements, enabling more compact and lightweight system designs.
## Applications
### 1. Consumer Electronics
In consumer electronics, such as smartphones, tablets, and smartwatches, the TPS3813K33 plays a crucial role in ensuring the stable operation of the device. It monitors the battery voltage and provides a reset signal when the voltage drops below the threshold, preventing the device from crashing or experiencing data corruption. This helps to enhance the user experience and protect the integrity of the device's data.
### 2. Industrial Automation
Industrial automation systems often require high - reliability power management. The TPS3813K33 can be used to monitor the power supply of various industrial controllers, sensors, and actuators. By providing a reliable reset signal, it helps to ensure that the industrial equipment operates smoothly and safely, reducing the risk of downtime and production losses.
### 3. Automotive Electronics
In the automotive industry, the TPS3813K33 can be used in various automotive electronic systems, such as engine control units (ECUs), infotainment systems, and advanced driver - assistance systems (ADAS). It helps to protect these systems from voltage fluctuations and ensures their proper operation in the harsh automotive environment.
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Images for reference
SOT-23-6
SOT-23-6 PKG
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