TPS2530DBVR

Product Overview

Category

The TPS2530DBVR belongs to the category of voltage supervisors and reset ICs.

Use

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

Characteristics

• Voltage supervision: The TPS2530DBVR can monitor the input voltage and provide a reset signal when it falls below or exceeds a certain threshold.
• Adjustable threshold: The device allows users to set the desired voltage threshold through external resistors.
• Low power consumption: It operates with low quiescent current, making it suitable for battery-powered applications.
• Small package size: The TPS2530DBVR comes in a small SOT-23 package, enabling space-efficient designs.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 1.8V to 5.5V.

Package and Quantity

The TPS2530DBVR is available in a SOT-23-5 package. It is commonly sold in reels containing a quantity of 3000 units per reel.

Specifications

• Input voltage range: 1.8V to 5.5V
• Reset threshold accuracy: ±1.5%
• Quiescent current: 3µA (typical)
• Operating temperature range: -40°C to +85°C
• Power-on reset delay time: 200ms (typical)

Pin Configuration

The TPS2530DBVR has five pins arranged as follows:

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Pin 1: GND (Ground) Pin 2: VCC (Supply Voltage) Pin 3: MR (Manual Reset) Pin 4: RESET (Reset Output) Pin 5: SENSE (Voltage Sense Input)

Functional Features

1. Voltage monitoring: The TPS2530DBVR continuously monitors the input voltage and compares it with the user-defined threshold.
2. Reset signal generation: When the input voltage falls below or exceeds the threshold, the device generates a reset signal on the RESET pin.
3. Manual reset capability: The MR pin allows for manual reset, overriding the automatic reset function.
4. Power-on reset delay: The device incorporates a power-on reset delay to ensure stable operation during power-up.

Advantages and Disadvantages

Advantages

• Compact size enables space-saving designs.
• Wide operating voltage range accommodates various applications.
• Low quiescent current minimizes power consumption.
• Adjustable threshold provides flexibility in voltage monitoring.

Disadvantages

• Limited number of pins may restrict additional functionalities.
• Lack of built-in hysteresis may lead to potential oscillations near the threshold voltage.

Working Principles

The TPS2530DBVR operates by comparing the input voltage with the user-defined threshold voltage. If the input voltage falls below or exceeds this threshold, the device generates a reset signal. This signal can be used to initiate system resets or trigger other actions based on the specific application requirements.

Application Field Plans

The TPS2530DBVR finds applications in various electronic systems where voltage monitoring and reset functionality are critical. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Battery-powered devices
5. Industrial automation systems

Alternative Models

For users seeking alternative options, several similar ICs are available in the market. Some notable alternatives to the TPS2530DBVR include:

1. MAX823: Voltage supervisor with adjustable threshold and integrated watchdog timer.
2. ADM6315: Precision voltage monitor with manual reset and adjustable threshold.
3. MCP101: Low-power voltage supervisor with fixed threshold and small package size.

These alternative models offer similar functionalities and can be considered based on specific application requirements.

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