Texas Instruments
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TPS3803G15DCKR
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TPS3803G15DCKR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low Power, Precision Monitoring, Reset Output
  • Package: SC-70 (SOT-323), 5-Lead
  • Essence: Supervising and monitoring voltage levels in electronic systems
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.6V to 6.5V
  • Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.45V, 3.63V, 4.38V, 4.63V
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 1.8µA (typical)
  • Reset Timeout Period: 200ms (typical)

Detailed Pin Configuration

The TPS3803G15DCKR has the following pin configuration:

  1. GND: Ground connection
  2. RESET: Active-low reset output
  3. VDD: Positive supply voltage
  4. MR: Manual reset input
  5. N/C: No connection

Functional Features

  • Precision Monitoring: The TPS3803G15DCKR provides accurate voltage monitoring with various threshold options.
  • Reset Output: The active-low reset output signal is triggered when the monitored voltage falls below the set threshold.
  • Manual Reset Input: The MR pin allows for manual resetting of the device, overriding the automatic reset function.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide supply voltage range - Multiple threshold voltage options - Small package size

Disadvantages: - Limited number of threshold voltage options - Lack of additional features (e.g., adjustable reset timeout)

Working Principles

The TPS3803G15DCKR operates by continuously monitoring the supply voltage. When the voltage falls below the set threshold, the device triggers an active-low reset output signal. This signal can be used to reset or interrupt the operation of the connected electronic system. The manual reset input allows for user-controlled resetting of the device.

Detailed Application Field Plans

The TPS3803G15DCKR is commonly used in various applications where precise voltage monitoring and supervision are critical. Some potential application fields include:

  1. Battery-Powered Devices: Ensuring proper power management and preventing damage due to low voltage.
  2. Industrial Control Systems: Monitoring voltage levels in control circuits to prevent malfunctions or failures.
  3. Automotive Electronics: Protecting sensitive components from voltage fluctuations and ensuring reliable operation.
  4. Home Automation: Safeguarding smart home devices from power supply issues and enabling automatic system recovery.

Detailed and Complete Alternative Models

  1. TPS3808G01: Similar voltage supervisor IC with adjustable reset timeout period.
  2. TPS3839K33: Voltage supervisor IC with a fixed 3.3V threshold voltage and additional power-on reset delay feature.
  3. MAX809: Low-power microprocessor reset circuit with various threshold voltage options.
  4. ADM6315: Precision voltage monitor with adjustable reset timeout and watchdog timer functionality.

(Note: These alternative models are provided as examples and may have different specifications and pin configurations. It is recommended to refer to their respective datasheets for detailed information.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS3803G15DCKR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TPS3803G15DCKR in technical solutions:

  1. Q: What is the TPS3803G15DCKR? A: The TPS3803G15DCKR is a voltage supervisor and reset IC designed to monitor the power supply voltage of a system and provide a reset signal when the voltage falls below a certain threshold.

  2. Q: What is the operating voltage range of the TPS3803G15DCKR? A: The TPS3803G15DCKR operates within a voltage range of 1.6V to 6.5V.

  3. Q: How does the TPS3803G15DCKR detect undervoltage conditions? A: The TPS3803G15DCKR uses an internal voltage reference and comparator to monitor the power supply voltage. When the voltage drops below the set threshold, it triggers a reset signal.

  4. Q: Can I adjust the undervoltage threshold of the TPS3803G15DCKR? A: No, the TPS3803G15DCKR has a fixed undervoltage threshold of 3.08V.

  5. Q: What is the typical reset time delay of the TPS3803G15DCKR? A: The typical reset time delay of the TPS3803G15DCKR is 200ms.

  6. Q: Does the TPS3803G15DCKR have an open-drain or push-pull output? A: The TPS3803G15DCKR has an open-drain output, which allows for flexibility in connecting to different microcontrollers or logic devices.

  7. Q: Can the TPS3803G15DCKR be used in battery-powered applications? A: Yes, the TPS3803G15DCKR is suitable for battery-powered applications as it operates within a low voltage range and has low quiescent current consumption.

  8. Q: What is the maximum operating temperature of the TPS3803G15DCKR? A: The TPS3803G15DCKR can operate within a temperature range of -40°C to 125°C.

  9. Q: Does the TPS3803G15DCKR have any built-in hysteresis? A: Yes, the TPS3803G15DCKR has a built-in hysteresis of typically 100mV, which helps prevent false triggering due to noise or voltage fluctuations.

  10. Q: Can I use multiple TPS3803G15DCKR devices in parallel to monitor different power supply voltages? A: Yes, you can use multiple TPS3803G15DCKR devices in parallel to monitor different power supply voltages in a system. Each device will provide an independent reset signal based on its own threshold.