TPS3828-50DBVRG4

Product Overview

Category

The TPS3828-50DBVRG4 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage Range: 0.5V to 10V
• Accuracy: ±1%
• Quiescent Current: 3µA (typical)
• Power-On Reset Delay Time: 200ms (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23 (DBV)

Package and Quantity

The TPS3828-50DBVRG4 is available in a small SOT-23 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 0.5V to 10V
• Threshold Voltage: 2.93V (typical)
• Reset Timeout Period: 50ms (minimum)
• Watchdog Timeout Period: 1.6s (typical)
• Power-On Reset Delay Time: 200ms (typical)
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS3828-50DBVRG4 has the following pin configuration:

```

---

| | --| VDD | --| GND | --| MR | --| RESET | |___________| ```

• VDD: Power supply input
• GND: Ground reference
• MR: Manual reset input
• RESET: Reset output

Functional Features

• Power-on reset generation
• Watchdog timer functionality
• Manual reset capability
• Low quiescent current consumption
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Low power consumption
• Small package size
• Wide operating temperature range
• Reliable reset generation

Disadvantages

• Limited number of available alternative models
• May not be suitable for applications requiring higher voltage thresholds

Working Principles

The TPS3828-50DBVRG4 operates by continuously monitoring the input voltage. It compares the voltage level with a predefined threshold value. If the voltage drops below the threshold, the device generates a reset signal to initiate a system reset. The power-on reset delay ensures that the reset signal is generated only after the supply voltage stabilizes.

Additionally, the TPS3828-50DBVRG4 incorporates a watchdog timer feature. This timer requires periodic toggling of the MR pin to prevent a system reset. If the MR pin is not toggled within the specified timeout period, a reset signal is generated.

Application Field Plans

The TPS3828-50DBVRG4 finds application in various electronic systems where reliable voltage monitoring and reset generation are crucial. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Industrial control systems
3. Automotive electronics
4. Power management circuits
5. Battery-powered devices
6. Communication equipment

Alternative Models

While the TPS3828-50DBVRG4 is a popular choice for voltage supervision, there are alternative models available in the market. Some notable alternatives include:

1. TPS3839-33DBVR: Similar functionality with a different voltage threshold.
2. MAX823LEUK-T: Voltage supervisor with adjustable threshold and additional features.
3. ADM6315-26D2ARTZ-R7: Low-power voltage monitor with a wide operating voltage range.

These alternative models offer flexibility in terms of voltage thresholds, package types, and additional features, catering to different application requirements.

In conclusion, the TPS3828-50DBVRG4 is a reliable voltage supervisor with accurate monitoring capabilities, low power consumption, and a compact package. Its wide operating temperature range makes it suitable for various electronic systems. However, users should consider alternative models if specific voltage thresholds or additional features are required.