TPS3307-33
Triple processor supervisory ICs for 3.3V/5V systems in compact 8-pin packages
Manufacturer： ['rochester', 'ti']
series introduction
# TPS3307 - 33 Product Series Introduction
## 1. Overview
The TPS3307 - 33 is a highly reliable and versatile product series within the realm of power management integrated circuits (PMICs). Designed and developed by Texas Instruments, a global leader in semiconductor technology, this series is engineered to provide precise voltage monitoring and reset functions for a wide range of electronic systems.
## 2. Key Features
### 2.1 Voltage Monitoring Precision
- **Accurate Threshold Detection**: The TPS3307 - 33 is capable of monitoring the supply voltage with high precision. It has a fixed threshold voltage of 3.3V, which is a commonly used voltage level in many modern electronic devices. This accurate threshold detection ensures that the system can quickly respond to any voltage fluctuations or drops, preventing potential malfunctions or data corruption.
- **Low Offset Voltage**: The device features a low offset voltage, which means that the actual threshold at which it triggers is very close to the specified 3.3V. This low offset contributes to the overall reliability of the voltage monitoring function.
### 2.2 Reset Functionality
- **Power - On Reset (POR)**: When the power is first applied to the system, the TPS3307 - 33 generates a reset signal. This reset signal ensures that all the components in the system start from a known and stable state, preventing any unpredictable behavior during startup.
- **Watchdog Timer (Optional)**: Some variants of the TPS3307 - 33 series may include a watchdog timer function. The watchdog timer monitors the system's operation and generates a reset signal if the system fails to provide a timely "kick" signal. This is particularly useful in applications where system stability is critical, such as industrial control systems and automotive electronics.
### 2.3 Low Power Consumption
- **Quiescent Current**: The TPS3307 - 33 has a very low quiescent current, which means that it consumes minimal power when in operation. This is especially important in battery - powered devices or applications where power efficiency is a key concern. The low power consumption helps to extend the battery life and reduce the overall power budget of the system.
### 2.4 Small Package Size
- **Space - Saving Design**: The TPS3307 - 33 is available in small - footprint packages, such as the SOT - 23 package. This small package size makes it suitable for use in compact electronic devices where board space is limited, such as mobile phones, tablets, and wearable devices.
## 3. Applications
### 3.1 Consumer Electronics
- **Smartphones and Tablets**: In smartphones and tablets, the TPS3307 - 33 can be used to monitor the battery voltage and ensure that the device operates within a safe voltage range. It can also provide reset functionality to prevent system crashes due to voltage fluctuations.
- **Wearable Devices**: Wearable devices, such as smartwatches and fitness trackers, require reliable power management to ensure long battery life and stable operation. The TPS3307 - 33's low power consumption and small package size make it an ideal choice for these applications.
### 3.2 Industrial Electronics
- **Industrial Control Systems**: Industrial control systems often operate in harsh environments where voltage fluctuations are common. The TPS3307 - 33 can be used to monitor the power supply voltage and provide reset signals to protect the system from damage.
- **Factory Automation Equipment**: In factory automation equipment, the watchdog timer function of the TPS3307 - 33 can be used to ensure that the system is operating correctly and to prevent any potential safety hazards.
### 3.
Images for reference
8-SOIC
8-MSOP Exp Pad Pkg
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