Overview
The TPS3801I50DCKR is a part of the TPS380x family of supervisory circuits produced by Texas Instruments. These devices are designed to monitor supply voltages and provide circuit initialization and timing supervision, primarily for DSPs, microcontrollers, and microprocessors. The TPS3801I50DCKR specifically features a 200-ms delay and is packaged in a small, 5-pin SC-70 (SOT-323) package, making it ideal for space-constrained applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-SC70 (DCK) | - |
| Pins | 5 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage (VDD) | 1.6 to 6 | V |
| Supply Current (IDD) | 9 µA | µA |
| Delay Time | 200 ms | ms |
| Threshold Voltage Accuracy | 2% - 2.5% | % |
| Maximum Low-Output Current (IOL) | 5 mA | mA |
| Maximum High-Output Current (IOH) | -5 mA | mA |
Key Features
- Small, 5-Pin SC-70 (SOT-323) Package
- Supply Current of 9 µA
- Power-On Reset Generator With Fixed Delay Time (200 ms for TPS3801)
- Precision Supply Voltage Monitor: 1.8 V, 2.5 V, 2.7 V, 3 V, 3.3 V, 5 V, and Adjustable
- Manual Reset Input (Except TPS3801-01)
- Temperature Range: –40°C to +85°C
- Precision reference with threshold accuracy of 2%—2.5%
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
Q & A
- What is the primary function of the TPS3801I50DCKR?
The primary function is to monitor supply voltages and provide circuit initialization and timing supervision.
- What is the package type and pin count of the TPS3801I50DCKR?
The package type is SOT-SC70 (DCK) with 5 pins.
- What is the operating temperature range of the TPS3801I50DCKR?
The operating temperature range is –40°C to +85°C.
- What is the supply current of the TPS3801I50DCKR?
The supply current is 9 µA.
- What is the delay time for the TPS3801I50DCKR?
The delay time is 200 ms.
- What are the available threshold voltages for the TPS380x family?
The available threshold voltages are 1.8 V, 2.5 V, 2.7 V, 3 V, 3.3 V, 5 V, and adjustable.
- Does the TPS3801I50DCKR have a manual reset input?
Yes, except for the TPS3801-01 model.
- What is the threshold voltage accuracy of the TPS380x devices?
The threshold voltage accuracy is 2%—2.5%.
- What are some common applications for the TPS3801I50DCKR?
Common applications include DSPs, microcontrollers, wireless communication systems, portable/battery-powered equipment, and more.
- What is the maximum low-output current (IOL) for the TPS3801I50DCKR?
The maximum low-output current is 5 mA.
- What is the storage temperature range for the TPS3801I50DCKR?
The storage temperature range is –65°C to +150°C.
