TPS3850H12QDRCRQ1

Product Overview

Category

The TPS3850H12QDRCRQ1 belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and supervising voltage levels in various 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 and Quantity

The TPS3850H12QDRCRQ1 is available in a VSON-10 package. It is typically sold in reels containing a specified quantity, usually 2500 units per reel.

Specifications

• Supply voltage range: 0.4V to 5.5V
• Threshold voltage accuracy: ±1%
• Quiescent current: 2µA (typical)
• Power-on reset delay time: 200ms (typical)
• Operating temperature range: -40°C to 125°C

Pin Configuration

The TPS3850H12QDRCRQ1 has the following pin configuration:

```

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| | --| VDD | --| GND | --| RESET | --| MR | --| NMI | --| VIT | --| VTH | --| VSS | --| VDD | |___________| ```

Functional Features

• Voltage monitoring and supervision
• Power-on reset generation
• Manual reset input
• Non-maskable interrupt output
• Programmable threshold voltage
• Watchdog timer functionality

Advantages and Disadvantages

Advantages

• Wide operating voltage range
• Adjustable threshold voltage for flexibility
• Low quiescent current consumption for power efficiency
• Small package size for space-constrained applications
• Wide operating temperature range for versatility

Disadvantages

• Limited pin configuration options
• Lack of built-in ESD protection

Working Principles

The TPS3850H12QDRCRQ1 operates by continuously monitoring the input voltage and comparing it to the programmable threshold voltage. If the input voltage falls below the threshold, a reset signal is generated to initiate a system reset. The device also features a manual reset input and a non-maskable interrupt output for additional control and monitoring capabilities.

Application Field Plans

The TPS3850H12QDRCRQ1 finds extensive use in various electronic systems that require reliable voltage supervision. 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 (Programmable Logic Controllers), motor drives, and industrial control systems.
3. Consumer electronics: Providing voltage supervision in smartphones, tablets, and other portable devices to prevent damage from voltage fluctuations.
4. Medical devices: Ensuring proper voltage levels in medical equipment such as patient monitors, infusion pumps, and diagnostic devices.
5. Telecommunications: Monitoring voltage in network equipment, routers, and communication systems to maintain uninterrupted operation.

Alternative Models

1. TPS3850H33QDRCRQ1: Similar to TPS3850H12QDRCRQ1 but with a higher threshold voltage of 3.3V.
2. TPS3850H50QDRCRQ1: Similar to TPS3850H12QDRCRQ1 but with a higher threshold voltage of 5.0V.
3. TPS3850H01QDRCRQ1: Similar to TPS3850H12QDRCRQ1 but with a lower threshold voltage of 0.1V.

These alternative models provide options for different voltage threshold requirements in various applications.

In conclusion, the TPS3850H12QDRCRQ1 is a voltage supervisor that offers precise monitoring and supervision capabilities. With its adjustable threshold voltage, low power consumption, and compact package size, it is suitable for a wide range of electronic systems requiring reliable voltage control.