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MCP120T-450I/TT

Processor Supervisor 4.375V 1 Active Low/Open Drain Automotive AEC-Q100 3-Pin SOT-23 T/R

Inventory:8,120

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Overview of MCP120T-450I/TT

The MCP120T-450I/TT is a voltage supervisor IC designed to monitor the power supply voltage level in microcontroller and digital system applications. It provides a reset signal to the microcontroller in the event of a power supply voltage drop below a predetermined threshold, ensuring proper system operation.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • 1. VDD: Power Supply Input
  • 2. GND: Ground
  • 3. MR: Reset Output
  • 4. NC: No Connection

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the MCP120T-450I/TT IC for a more visual representation.

Key Features

  • Reset Monitoring: The MCP120T-450I/TT continuously monitors the supply voltage and provides a reset signal when the voltage falls below a specified level.
  • Adjustable Threshold: The voltage threshold for the reset signal can be externally programmed, allowing flexibility in system design.
  • Manual Reset Input: This IC provides the option for a manual reset input, allowing for external resetting of the microcontroller.
  • Low Power Consumption: With its low quiescent current, the MCP120T-450I/TT is suitable for battery-powered applications.
  • Small Package: The IC is available in small package options, making it suitable for space-constrained designs.

Note: For detailed technical specifications, please refer to the MCP120T-450I/TT datasheet.

Application

  • Microcontroller Systems: The MCP120T-450I/TT is commonly used in microcontroller-based systems to ensure proper operation during supply voltage fluctuations.
  • Digital Systems: It can also be employed in various digital systems to provide voltage monitoring and reset functionality.
  • Battery-Powered Devices: Due to its low power consumption, the IC is suitable for use in battery-powered devices requiring voltage supervision.

Functionality

The MCP120T-450I/TT acts as a reliable voltage supervisor, constantly monitoring the power supply voltage and providing a reset signal to the microcontroller or digital system when necessary, ensuring stable and safe operation.

Usage Guide

  • Power Supply: Connect the VDD pin (pin 1) to the power supply and GND (pin 2) to ground.
  • Monitoring: The IC monitors the voltage level and provides a reset signal at the MR pin (pin 3) when the voltage falls below the threshold.
  • Optional Manual Reset: The manual reset input can be utilized by connecting an external reset switch or signal to the MR pin (pin 3).

Frequently Asked Questions

Q: What is the typical reset voltage threshold for the MCP120T-450I/TT?
A: The typical reset voltage threshold is 4.50V, as indicated by the part number.

Q: Can the MCP120T-450I/TT be used in automotive applications?
A: Yes, the IC is suitable for automotive electronics applications and can help ensure stable operation in automotive systems.

Equivalent

For similar functionalities, consider these alternatives to the MCP120T-450I/TT:

  • MCP809T-825I/TT: A voltage supervisor IC with adjustable reset threshold and manual reset input options, suitable for similar applications.
  • MAX809: This IC provides a reset signal when the supply voltage drops below a fixed threshold, offering voltage monitoring for microcontroller systems.
  • TC54: Another voltage supervisor IC with programmable reset threshold and manual reset input, catering to voltage monitoring needs in digital systems.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Supervisory Circuits RoHS Details
Type Voltage Supervisory Mounting Style SMD/SMT
Package / Case SOT-23-3 Threshold Voltage 4.375 V
Number of Inputs Monitored 1 Input Output Type Active Low, Open Drain
Manual Reset No Manual Reset Watchdog Timers No Watchdog
Battery Backup Switching No Backup Reset Delay Time 350 ms
Supply Voltage - Max 5.5 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Series MCP120
Qualification AEC-Q100 Brand Microchip Technology
Chip Enable Signals No Chip Enable Height 0.95 mm
Length 2.9 mm Operating Supply Current 60 uA
Overvoltage Threshold 4.5 V Power Fail Detection No
Product Type Supervisory Circuits Factory Pack Quantity 3000
Subcategory PMIC - Power Management ICs Supply Voltage - Min 1 V
Undervoltage Threshold 4.25 V Width 1.3 mm
Unit Weight 0.000282 oz

Warranty & Returns

Warranty, Returns, and Additional Information

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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MCP120T-450I/TT

Processor Supervisor 4.375V 1 Active Low/Open Drain Automotive AEC-Q100 3-Pin SOT-23 T/R

Inventory:

8,120
Overview of MCP120T-450I/TT Specifications Warranty & Returns Similar Products Popular Products

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