Overview
The TPS3707-33DGN is a precision voltage supervisor and reset IC manufactured by Texas Instruments. Designed for monitoring power supply voltages in embedded systems, this component ensures reliable operation by providing a reset signal when the monitored voltage falls below a predefined threshold. It is particularly suited for applications requiring high accuracy and low power consumption, such as microcontrollers, DSPs, and FPGAs. The TPS3707-33DGN is housed in an 8-TSSOP package, making it compact and ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Model | TPS3707-33DGN | - | - |
| Manufacturer | Texas Instruments | - | - |
| Category | PMIC - Supervisors | - | - |
| Working Voltage | 3.300 | V | Typical |
| Reset Threshold | 2.930 | V | - |
| Minimum Reset Pulse Width | 200 | ms | - |
| Low-Level Reset | √ | - | Supported |
| High-Level Reset | √ | - | Supported |
| Watchdog Timer | - | s | Not available |
| Independent Watchdog Output | - | - | Not available |
| Power-Fail Comparator | √ | - | Supported |
| Manual Reset Input | √ | - | Supported |
| Backup Battery Switching | - | - | Not available |
| Working Current (Icc) | 50 | µA | Maximum |
| Package | 8-TSSOP | - | - |
| Operating Temperature | -40 to 85 | °C | - |
Key Features
- Precision voltage monitoring with a reset threshold of 2.93V.
- Supports both low-level and high-level reset outputs for flexible system integration.
- Includes a power-fail comparator for detecting voltage drops.
- Manual reset input for system debugging and control.
- Low power consumption with a typical working current of 50 µA.
- Compact 8-TSSOP package suitable for space-constrained designs.
Applications
The TPS3707-33DGN is widely used in various electronic systems where reliable power supply monitoring is critical. Typical applications include:
- Microcontrollers and DSPs: Ensures proper reset and initialization during power-up or voltage drops.
- FPGAs: Provides a stable reset signal to prevent erratic behavior.
- Industrial Automation: Monitors power supplies in control systems to ensure uninterrupted operation.
- Consumer Electronics: Used in devices like smart home appliances and IoT devices for reliable performance.
Q & A
1. What is the reset threshold voltage of the TPS3707-33DGN?
The reset threshold voltage is 2.93V.
2. Does the TPS3707-33DGN support manual reset?
Yes, it includes a manual reset input for system control.
3. What is the typical working current of the TPS3707-33DGN?
The typical working current is 50 µA.
4. What package does the TPS3707-33DGN come in?
It is housed in an 8-TSSOP package.
5. Is the TPS3707-33DGN suitable for industrial applications?
Yes, it is widely used in industrial automation for power supply monitoring.
6. Does the TPS3707-33DGN have a watchdog timer?
No, it does not include a watchdog timer.
7. What is the operating temperature range of the TPS3707-33DGN?
It operates within a temperature range of -40°C to 85°C.
8. Can the TPS3707-33DGN monitor multiple voltages?
No, it is designed to monitor a single voltage.
9. Is the TPS3707-33DGN suitable for consumer electronics?
Yes, it is used in devices like smart home appliances and IoT devices.
10. What is the minimum reset pulse width of the TPS3707-33DGN?
The minimum reset pulse width is 200 ms.
