Overview
The TPS3702CX33QDDCRQ1 from Texas Instruments is a high-accuracy window voltage detector designed for overvoltage and undervoltage monitoring. This device is particularly suited for systems operating on low-voltage supply rails with narrow margin supply tolerances. It is AEC-Q100 qualified, ensuring reliability in automotive and other safety-critical applications. The TPS3702CX33QDDCRQ1 features a wide supply voltage range of 2V to 18V and is packaged in a small SOT-6 package, making it an excellent choice for space-constrained designs.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 2 | - | 18 | V |
| Input Voltage Range (VSENSE) | 0 | - | 6.5 | V |
| Threshold Accuracy | - | 0.25% | 0.9% | % |
| Hysteresis Voltage | - | 0.55%, 1.0% | - | % |
| Quiescent Current (IDD) | - | 7 | 12 | µA |
| Output Current (IUV, IOV) | - | - | 10 | mA |
| Output Voltage (VUV, VOV) | - | - | 18 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | SOT-6 | - |
Key Features
- High-accuracy window voltage detection with threshold accuracy of 0.25% (typical) and 0.9% over the temperature range of -40°C to 125°C.
- Internal glitch immunity and noise filters to eliminate false resets.
- Low threshold hysteresis options of 0.55% and 1.0% to prevent false reset signals.
- No external resistors required for setting overvoltage and undervoltage reset thresholds.
- Independent open-drain outputs for overvoltage and undervoltage indication.
- Low quiescent current of 7µA (typical).
- Threshold adjustability using the SET pin.
- AEC-Q100 Grade 1 qualified for automotive applications.
Applications
The TPS3702CX33QDDCRQ1 is designed for various applications, particularly in automotive and safety-critical systems. It is suitable for monitoring low-voltage supply rails with narrow margin supply tolerances. Common applications include:
- Automotive systems requiring high reliability and accuracy.
- Industrial control systems needing precise voltage monitoring.
- Medical devices that demand high accuracy and reliability.
- Consumer electronics with stringent voltage tolerance requirements.
Q & A
- What is the supply voltage range of the TPS3702CX33QDDCRQ1?
The supply voltage range is from 2V to 18V. - What is the typical quiescent current of the TPS3702CX33QDDCRQ1?
The typical quiescent current is 7µA. - How is the threshold accuracy of the TPS3702CX33QDDCRQ1 specified?
The threshold accuracy is specified as 0.25% (typical) and 0.9% over the temperature range of -40°C to 125°C. - Does the TPS3702CX33QDDCRQ1 require external resistors for setting thresholds?
No, the TPS3702CX33QDDCRQ1 does not require external resistors for setting overvoltage and undervoltage reset thresholds. - What is the operating temperature range of the TPS3702CX33QDDCRQ1?
The operating temperature range is from -40°C to 125°C. - What type of package does the TPS3702CX33QDDCRQ1 come in?
The TPS3702CX33QDDCRQ1 comes in a SOT-6 package. - How can the threshold hysteresis be adjusted on the TPS3702CX33QDDCRQ1?
The threshold hysteresis can be adjusted using the SET pin. - Is the TPS3702CX33QDDCRQ1 qualified for automotive applications?
Yes, the TPS3702CX33QDDCRQ1 is AEC-Q100 Grade 1 qualified for automotive applications. - What is the maximum output current of the TPS3702CX33QDDCRQ1?
The maximum output current is 10mA. - Can the outputs of the TPS3702CX33QDDCRQ1 be pulled up to different voltage levels?
Yes, the outputs can be pulled up to different voltage levels up to 18V, independent of the device supply voltage.
