Overview
The TPS3823-33QDBVRQ1 is a voltage monitor with a watchdog timer, designed and manufactured by Texas Instruments. This component is part of the TPS382x-xx-Q1 family, which provides circuit initialization and timing supervision, primarily for DSP and processor-based systems. It monitors a single supply voltage and issues a reset signal when the voltage falls below a preset threshold, ensuring proper system reset and protection of sensitive digital circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 5-Pin SOT-23 (DBV) |
| Operating Temperature Range | −40°C to 125°C |
| Supply Voltage Supervision Range | 2.5 V, 3 V, 3.3 V, 5 V |
| Supply Current | 15 µA (Typical) |
| Reset Output | Active-low, Active-high, or Open-drain |
| Watchdog Timer | 200 ms or 1.6 s options |
| Manual Reset Input | Available |
| ESD Protection | Exceeds 2000 V per MIL-STD-883, Method 3015 |
| Device Temperature Grade | Grade 1: –40°C to 125°C |
Key Features
- Qualified for automotive applications and AEC-Q100 certified
- ESD protection exceeds 2000 V per MIL-STD-883, Method 3015
- Power-on reset generator with fixed delay time (200 ms or 25 ms depending on the model)
- Manual reset input available
- Watchdog timer with options for 200 ms or 1.6 s time-out
- Compact 5-Pin SOT-23 package
- Low power consumption with a typical supply current of 15 µA
- Reset output available in active-low, active-high, or open-drain configurations
Applications
- Automotive DSPs, microcontrollers, or microprocessors
- Industrial equipment and programmable controls
- Portable and battery-powered equipment
- Intelligent instruments and wireless communications systems
- Microcontroller-based systems and digital logic circuits
Q & A
- What is the primary function of the TPS3823-33QDBVRQ1? The primary function is to monitor a single supply voltage and issue a reset signal when the voltage falls below a preset threshold.
- What are the available reset output configurations for the TPS3823-33QDBVRQ1? The reset output is available in active-low, active-high, or open-drain configurations.
- What is the typical supply current of the TPS3823-33QDBVRQ1? The typical supply current is 15 µA.
- What are the watchdog timer options for the TPS3823-33QDBVRQ1? The watchdog timer options are 200 ms or 1.6 s.
- Is the TPS3823-33QDBVRQ1 qualified for automotive applications? Yes, it is qualified for automotive applications and AEC-Q100 certified.
- What is the operating temperature range of the TPS3823-33QDBVRQ1? The operating temperature range is −40°C to 125°C.
- Does the TPS3823-33QDBVRQ1 have ESD protection? Yes, it exceeds 2000 V per MIL-STD-883, Method 3015.
- What package type is the TPS3823-33QDBVRQ1 available in? It is available in a 5-Pin SOT-23 package.
- Can the TPS3823-33QDBVRQ1 be used in industrial applications? Yes, it can be used in various industrial equipment and programmable controls.
- Is the TPS3823-33QDBVRQ1 suitable for battery-powered devices? Yes, it is suitable for portable and battery-powered equipment due to its low power consumption.
