TPS3850H01QDRCRQ1

Product Overview

Category

The TPS3850H01QDRCRQ1 belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and supervising voltage levels in electronic systems.

Characteristics

• Voltage supervision range: 0.4V to 5.5V
• Adjustable threshold voltage
• Low quiescent current consumption
• Wide operating temperature range: -40°C to 125°C
• Small package size: VSON-10

Package

The TPS3850H01QDRCRQ1 is available in a VSON-10 package, which is a small outline package with 10 pins.

Essence

The essence of the TPS3850H01QDRCRQ1 is its ability to accurately monitor voltage levels and provide a reliable reset signal when the voltage falls below or rises above a certain threshold.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 1.2V to 5.5V
• Threshold voltage accuracy: ±1%
• Quiescent current: 3µA (typical)
• Power-on reset delay time: 200ms (typical)
• Watchdog timer timeout period: 1.6s (typical)

Detailed Pin Configuration

The TPS3850H01QDRCRQ1 has the following pin configuration:

1. GND (Ground)
2. RESET (Reset output)
3. MR (Manual reset input)
4. VDD (Supply voltage)
5. VDDIO (I/O supply voltage)
6. NC (No connection)
7. NC (No connection)
8. NC (No connection)
9. NC (No connection)
10. NC (No connection)

Functional Features

• Accurate voltage monitoring and supervision
• Adjustable threshold voltage for flexibility
• Power-on reset generation
• Watchdog timer functionality for system monitoring
• Manual reset input for external control

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems
• Low quiescent current consumption helps conserve power
• Small package size enables space-saving designs
• Accurate voltage monitoring ensures system reliability

Disadvantages

• Limited number of pins may restrict the integration of additional features
• Lack of specific fault detection capabilities

Working Principles

The TPS3850H01QDRCRQ1 operates by continuously monitoring the supply voltage. When the voltage falls below or rises above the user-defined threshold, the device generates a reset signal to initiate a system reset. The adjustable threshold voltage allows customization based on specific system requirements.

Additionally, the TPS3850H01QDRCRQ1 incorporates a watchdog timer that requires periodic toggling to prevent system lock-up. If the watchdog timer is not reset within the specified timeout period, a reset signal is generated to ensure system integrity.

Detailed Application Field Plans

The TPS3850H01QDRCRQ1 finds applications in various electronic systems where reliable voltage monitoring and supervision are critical. Some potential application fields include:

1. Automotive electronics: Ensuring stable voltage levels in automotive control units, sensors, and safety systems.
2. Industrial automation: Monitoring voltage levels in PLCs, motor drives, and power supplies to prevent malfunctions.
3. Consumer electronics: Providing voltage supervision in smartphones, tablets, and wearable devices to enhance system reliability.
4. Medical devices: Ensuring proper voltage levels in medical equipment for patient safety and accurate measurements.
5. Internet of Things (IoT): Monitoring voltage in IoT devices to maintain connectivity and prevent data loss.

Detailed and Complete Alternative Models

1. TPS3850H33QDRCRQ1: Similar to the TPS3850H01QDRCRQ1, but with a higher threshold voltage range.
2. TPS3839K33DBVRQ1: A voltage supervisor with fixed threshold voltage and a smaller SOT-23 package.
3. TPS3808G09DBVRQ1: Offers adjustable threshold voltage and a wide operating temperature range in a SOT-23 package.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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