Overview
The TPS3703A7330DSER from Texas Instruments is a high-accuracy window supervisor with reset time delay, designed to monitor and protect systems from overvoltage (OV) and undervoltage (UV) conditions. This integrated circuit (IC) is packaged in a compact 6-pin WSON (DSE) package, making it suitable for applications requiring low voltage supply rails and minimal board space.
The device features high threshold accuracy, internal glitch suppression, and noise filtering, ensuring reliable operation and preventing false reset signals. It also includes a manual reset option and adjustable reset time delay using an external capacitor.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| VDD Supply Voltage | 1.7 | - | 5.5 | V |
| UVLO (Under Voltage Lockout) | 1.2 | 1.7 | - | V |
| Threshold Accuracy (VIT+ and VIT-) | -0.7% | ±0.25% | 0.7% | % |
| Static Current | - | 4.5 µA | 7 µA | µA |
| Reset Time Delay | 50 µs | - | 200 ms | - |
| Operating Temperature | -40 | - | 125 | °C |
| Junction Temperature | -40 | - | 150 | °C |
| Storage Temperature | -65 | - | 150 | °C |
Key Features
- High-accuracy overvoltage and undervoltage monitoring with ±0.25% typical threshold accuracy.
- Low static current of 4.5 µA (typical).
- Internal glitch suppression and noise filtering to prevent false resets.
- Fixed and programmable reset time delay options using an external capacitor.
- Manual reset capability.
- Open-drain reset output.
- Compact 6-pin WSON (DSE) package.
- No external resistors required for setting OV and UV thresholds.
Applications
- Motor drivers.
- Factory automation and control systems.
- Home theater and entertainment systems.
- Grid infrastructure.
- Data centers and enterprise computing.
Q & A
- What is the primary function of the TPS3703A7330DSER? The primary function is to monitor and protect systems from overvoltage and undervoltage conditions with high accuracy and adjustable reset time delay.
- What is the typical static current of the TPS3703A7330DSER? The typical static current is 4.5 µA.
- What are the available reset time delay options? The device offers fixed reset time delays (50 µs, 1 ms, 5 ms, 10 ms, 20 ms, 100 ms, 200 ms) and programmable options using an external capacitor.
- Does the TPS3703A7330DSER require external resistors for setting thresholds? No, it does not require external resistors for setting OV and UV thresholds.
- What is the operating temperature range of the TPS3703A7330DSER? The operating temperature range is -40°C to 125°C.
- What are some common applications of the TPS3703A7330DSER? Common applications include motor drivers, factory automation, home theater systems, grid infrastructure, and data centers.
- How is the reset output configured? The reset output is configured as an open-drain output.
- What is the package type of the TPS3703A7330DSER? The device is packaged in a 6-pin WSON (DSE) package.
- Does the TPS3703A7330DSER have manual reset capability? Yes, it has a manual reset option.
- How does the device handle glitches and noise? The device features internal glitch suppression and noise filtering to prevent false reset signals.
