Overview
The TPS3110K33DBVT is a supervisory circuit from Texas Instruments, designed to provide circuit initialization and timing supervision primarily for DSP and processor-based systems. This device operates from a supply voltage range of 0.9 V to 3.6 V and is available in a 6-pin SOT-23 package. It features a high trip-point accuracy and an ultra-low supply current, making it suitable for low-power applications. The TPS3110K33DBVT includes a watchdog timer to monitor the operation of microprocessors and ensures proper system reset through an internal timer and manual reset functionality.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | - |
| Pins | 6 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Range | 0.9 V to 3.6 V | V |
| Threshold Voltages | 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, 3.3 V | V |
| Trip-Point Accuracy | 0.75% | - |
| Supply Current | 1.2 µA (Typical) | µA |
| Power-On Reset Delay Time | 130 ms | ms |
| RESET Output Type | Push/Pull or Open-Drain | - |
Key Features
- Precision supply voltage supervision with threshold voltages of 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V.
- High trip-point accuracy of 0.75%.
- Ultra-low supply current of 1.2 µA (typical).
- RESET defined with input voltages as low as 0.4 V.
- Power-on reset generator with a delay time of 130 ms.
- Push/pull or open-drain RESET outputs.
- Manual reset pin to force the outputs low regardless of the sensed voltages.
- Watchdog timer to monitor the operation of microprocessors.
Applications
- Applications using low-power DSPs, microcontrollers, or microprocessors.
- Portable and battery-powered equipment.
- Intelligent instruments.
- Wireless communication systems.
- Industrial equipment.
- Notebook and desktop computers.
Q & A
- What is the primary function of the TPS3110K33DBVT?
The primary function of the TPS3110K33DBVT is to provide circuit initialization and timing supervision for DSP and processor-based systems.
- What is the operating temperature range of the TPS3110K33DBVT?
The operating temperature range of the TPS3110K33DBVT is -40°C to 125°C.
- What are the available threshold voltages for the TPS3110K33DBVT?
The available threshold voltages are 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V.
- What is the typical supply current of the TPS3110K33DBVT?
The typical supply current is 1.2 µA.
- Does the TPS3110K33DBVT have a watchdog timer?
- What type of RESET outputs does the TPS3110K33DBVT have?
The TPS3110K33DBVT has push/pull or open-drain RESET outputs.
- How does the manual reset pin function on the TPS3110K33DBVT?
The manual reset pin can be used to force the outputs low regardless of the sensed voltages.
- What is the power-on reset delay time of the TPS3110K33DBVT?
The power-on reset delay time is 130 ms.
- What package type is the TPS3110K33DBVT available in?
The TPS3110K33DBVT is available in a 6-pin SOT-23 (DBV) package.
- What are some common applications of the TPS3110K33DBVT?
Common applications include low-power DSPs, microcontrollers, portable and battery-powered equipment, intelligent instruments, wireless communication systems, industrial equipment, and notebook and desktop computers.
