Overview
The TPS3103K33DBVT 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 supply voltages ranging from 0.9 V to 3.6 V and is characterized by its ultra-low supply current of 1.2 µA (typical). It features precision supply voltage supervision with high trip-point accuracy and a power-on reset generator with a delay time of 130 ms. The TPS3103K33DBVT is available in a 6-pin SOT-23 package and is suitable for a wide range of applications requiring reliable voltage monitoring and reset functions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SOT-23 (DBV) | |
| Pins | 6 | |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Range | 0.9 to 3.6 | V |
| Monitored Voltage Options | 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, 3.3 V | V |
| Supply Current (Typical) | 1.2 µA | µA |
| Reset Threshold Accuracy | 0.75% | |
| Reset Output Type | Active-low, Open-drain | |
| Power-On Reset Delay Time | 130 ms | ms |
| Manual Reset Input | Yes | |
| RoHS Compliance | Yes |
Key Features
- Precision supply voltage supervision with options for 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.
- Integrated power-fail input (PFI) or SENSE input for monitoring other voltages.
- Operating temperature range of -40°C to 125°C.
Applications
- Systems 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 TPS3103K33DBVT?
The primary function is to provide circuit initialization and timing supervision for DSP and processor-based systems.
- What is the operating temperature range of the TPS3103K33DBVT?
The operating temperature range is -40°C to 85°C.
- What are the available monitored voltage options for the TPS3103K33DBVT?
The available options 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 TPS3103K33DBVT?
The typical supply current is 1.2 µA.
- Does the TPS3103K33DBVT have a manual reset feature?
- What is the reset delay time of the TPS3103K33DBVT?
The reset delay time is 130 ms.
- Is the TPS3103K33DBVT RoHS compliant?
- In what package is the TPS3103K33DBVT available?
- What are some typical applications of the TPS3103K33DBVT?
- Can the TPS3103K33DBVT monitor other voltages besides VDD?
