TPS3850G12QDRCRQ1

Product Overview

Category

The TPS3850G12QDRCRQ1 belongs to the category of integrated circuits (ICs) and specifically falls under the voltage supervisors or monitors subcategory.

Use

This product is primarily used for monitoring the voltage levels in electronic systems, ensuring proper functioning and preventing damage due to overvoltage or undervoltage conditions.

Characteristics

• Voltage Range: The TPS3850G12QDRCRQ1 operates within a voltage range of 0.5V to 5.5V.
• Low Power Consumption: It consumes minimal power during operation, making it suitable for battery-powered applications.
• Adjustable Thresholds: The device allows for adjustable threshold voltages, enabling customization based on specific system requirements.
• Reset Output: It provides a reset signal when the monitored voltage falls outside the specified range, allowing for system recovery or shutdown.
• Wide Temperature Range: The TPS3850G12QDRCRQ1 can operate reliably across a wide temperature range, from -40°C to 125°C.

Package and Quantity

The TPS3850G12QDRCRQ1 is available in a small 10-pin VSON package. It is typically sold in reels, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 0.5V to 5.5V
• Threshold Voltage Range: Adjustable from 0.4V to 4.9V
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 2.5µA (typical)
• Reset Timeout Period: Adjustable from 1ms to 10s
• Output Type: Active-Low, Open-Drain

Pin Configuration

The TPS3850G12QDRCRQ1 has a total of 10 pins, each serving a specific function. The pin configuration is as follows:

1. GND: Ground
2. VDD: Supply Voltage
3. MR: Manual Reset Input
4. TH: Threshold Voltage Setting
5. CT: Capacitor Connection for Reset Timeout
6. RESET: Active-Low Reset Output
7. NC: No Connect
8. NC: No Connect
9. NC: No Connect
10. NC: No Connect

Functional Features

• Overvoltage and Undervoltage Monitoring: The TPS3850G12QDRCRQ1 continuously monitors the voltage level and provides a reset signal when it exceeds or falls below the specified thresholds.
• Adjustable Thresholds: The device allows users to set the threshold voltages according to their specific requirements, providing flexibility in different applications.
• Manual Reset Input: The MR pin enables a manual reset option, allowing users to manually trigger a system reset if needed.
• Reset Timeout Period: The CT pin allows users to adjust the timeout period for the reset signal, ensuring sufficient time for system recovery before resetting.

Advantages and Disadvantages

Advantages

• Wide operating voltage range makes it compatible with various electronic systems.
• Low power consumption extends battery life in portable devices.
• Adjustable threshold voltages provide customization options.
• Small package size saves board space in compact designs.
• Reliable operation across a wide temperature range ensures performance in harsh environments.

Disadvantages

• Limited number of pins may restrict additional functionality in complex systems.
• Lack of integrated protection features against transient voltage events.

Working Principles

The TPS3850G12QDRCRQ1 operates by comparing the monitored voltage with the user-defined threshold levels. If the voltage exceeds or falls below these thresholds, the device triggers a reset signal. This signal can be used to initiate system recovery or shutdown, preventing potential damage or data corruption.

The adjustable threshold feature allows users to set the desired voltage levels for triggering the reset signal. The manual reset input provides an additional option for initiating a system reset manually, if required.

Application Field Plans

The TPS3850G12QDRCRQ1 finds applications in various electronic systems where voltage monitoring is critical. Some potential application fields include:

1. Automotive Electronics: Used in automotive control units to monitor voltage levels and ensure proper functioning of critical systems.
2. Industrial Automation: Employed in industrial control systems to protect sensitive equipment from voltage fluctuations.
3. Consumer Electronics: Integrated into portable devices like smartphones and tablets to prevent damage due to overvoltage or undervoltage conditions.
4. Power Management: Utilized in power supply units to monitor voltage stability and protect connected devices.

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the TPS3850G12QDRCRQ1:

1. TPS3839G30DBVR
2. MAX823LEUK-T