Overview
The TPS3803-01QDCKREP is a single-channel voltage detector from Texas Instruments, designed to provide circuit initialization and timing supervision primarily for DSPs, microcontrollers, and microprocessor-based systems. This component is part of the TPS3803 family of supervisory circuits and is available in a 5-pin SC-70 package. It features an adjustable SENSE input that can be configured using two external resistors, allowing for the monitoring of various voltage rails. The device is characterized by its high threshold voltage accuracy and low supply current, making it suitable for a wide range of applications, including those in automotive, industrial, and portable electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-SC70 (DCK) | |
| Pins | 5 | |
| Operating Temperature Range | -40 to 125 | °C |
| Threshold Voltage Accuracy | ±1.5% | |
| Supply Current at VDD = 3.3 V | 3 µA (Typical) | |
| Reset Output | Open-Drain | |
| Minimum Supply Voltage for RESET Assertion | 0.8 V | |
| Pulse Width at VDD and SENSE | 5.5 s (Typical) |
Key Features
- Single Voltage Detector: Adjustable/1.5 V
- High ±1.5% Threshold Voltage Accuracy
- Low Supply Current: 3 µA Typical at VDD = 3.3 V
- Open-Drain Reset Output
- 5-Pin SC-70 Package
- Extended Temperature Performance: -40°C to 125°C
- Controlled Baseline and One Assembly/Test Site, One Fabrication Site
- Enhanced Diminishing Manufacturing Sources (DMS) Support and Enhanced Product-Change Notification
- Qualification Pedigree in accordance with JEDEC and industry standards
Applications
- Applications Using DSPs, Microcontrollers, or Microprocessors
- Wireless Communication Systems
- Portable/Battery-Powered Equipment
- Programmable Controls
- Intelligent Instruments
- Industrial Equipment
- Notebook/Desktop Computers
- Automotive Systems, including Advanced Driver Assistance Systems, Automotive Infotainment, and Automotive Cluster
Q & A
- What is the primary function of the TPS3803-01QDCKREP?
The primary function is to provide circuit initialization and timing supervision for DSPs, microcontrollers, and microprocessor-based systems by monitoring system voltages.
- What is the package type and pin count of the TPS3803-01QDCKREP?
The component is packaged in a 5-pin SOT-SC70 (DCK) package.
- What is the operating temperature range of the TPS3803-01QDCKREP?
The operating temperature range is from -40°C to 125°C.
- How accurate is the threshold voltage of the TPS3803-01QDCKREP?
The threshold voltage accuracy is ±1.5%.
- What is the typical supply current of the TPS3803-01QDCKREP at VDD = 3.3 V?
The typical supply current is 3 µA at VDD = 3.3 V.
- What type of reset output does the TPS3803-01QDCKREP have?
The reset output is open-drain.
- At what minimum supply voltage does the RESET assertion occur?
RESET is asserted when the supply voltage VDD becomes higher than 0.8 V.
- How is the adjustable SENSE input configured?
The adjustable SENSE input can be configured using two external resistors.
- What are some of the key applications of the TPS3803-01QDCKREP?
Key applications include DSPs, microcontrollers, microprocessors, wireless communication systems, portable/battery-powered equipment, and automotive systems.
- Does the TPS3803-01QDCKREP meet any specific industry standards?
Yes, it meets JEDEC and industry standards for reliable operation over an extended temperature range.
- What is the significance of the qualification pedigree for the TPS3803-01QDCKREP?
The qualification pedigree ensures that the component has undergone rigorous testing in accordance with JEDEC and industry standards, ensuring reliable operation.
