TPS3702AX33QDDCRQ1

Product Overview

Category

The TPS3702AX33QDDCRQ1 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for voltage monitoring and supervision in various electronic systems.

Characteristics

• Voltage monitoring range: 0.8V to 5.5V
• Adjustable threshold voltage
• Low quiescent current consumption
• Wide operating temperature range: -40°C to 125°C
• Small package size: DDC (SOT-23) package

Package and Quantity

The TPS3702AX33QDDCRQ1 is available in a DDC (SOT-23) package. It is typically sold in reels, with a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 0.8V to 5.5V
• Threshold voltage accuracy: ±1.5%
• Quiescent current: 1.6µA (typical)
• Operating temperature range: -40°C to 125°C
• Output type: Active low, open-drain
• Response time: 20µs (typical)

Pin Configuration

The TPS3702AX33QDDCRQ1 has the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| VIN OUT |-- Pin 2: Output (OUT) --| TH NC |-- Pin 3: No Connection (NC) |___________| ```

Functional Features

• Undervoltage detection: The TPS3702AX33QDDCRQ1 monitors the input voltage and provides an active low output when the voltage falls below a programmable threshold.
• Adjustable threshold voltage: The threshold voltage can be set using an external resistor divider network, allowing flexibility in the monitoring range.
• Low quiescent current: The IC consumes very low current during operation, minimizing power consumption in battery-powered applications.
• Fast response time: The TPS3702AX33QDDCRQ1 provides a quick response to changes in input voltage, ensuring timely detection and protection.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Low quiescent current consumption helps conserve power in battery-operated devices.
• Small package size enables space-efficient designs.
• Fast response time ensures prompt detection of voltage deviations.

Disadvantages

• Limited to voltage monitoring applications only.
• Requires an external resistor divider network for threshold voltage adjustment.

Working Principles

The TPS3702AX33QDDCRQ1 operates by comparing the input voltage (VIN) with a programmable threshold voltage (TH). When the input voltage falls below the threshold, the output (OUT) becomes active low, indicating an undervoltage condition. The threshold voltage can be adjusted using an external resistor divider network connected to the TH pin.

Detailed Application Field Plans

The TPS3702AX33QDDCRQ1 finds application in various fields where voltage monitoring is critical. Some specific areas of application include:

1. Battery-powered devices: Ensuring proper voltage levels in portable electronics, such as smartphones, tablets, and wearables.
2. Automotive systems: Monitoring voltage in automotive electronics, including engine control units, infotainment systems, and lighting systems.
3. Industrial automation: Voltage supervision in industrial control systems, motor drives, and power supplies.
4. Home appliances: Monitoring voltage stability in household appliances like refrigerators, air conditioners, and washing machines.
5. Telecommunications: Voltage monitoring in telecom infrastructure equipment, such as base stations and routers.

Detailed Alternative Models

1. TPS3702AX33DDCRQ1: Similar to TPS3702AX33QDDCRQ1 but available in a different package (DDC).
2. TPS3702AX33DCKRQ1: Similar functionality as TPS3702AX33QDDCRQ1 but available in a different package (SC-70).
3. TPS3702AX33DRQ1: Similar specifications and features as TPS3702AX33QDDCRQ1 but available in a different package (SOT-23).

These alternative models provide similar voltage monitoring capabilities with slight variations in package options.

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