Overview
The TPS2819QDBVRQ1 is a high-speed MOSFET driver from Texas Instruments, designed for automotive applications. It is part of the TPS2816-Q1 to TPS2829-Q1 family and features an internal voltage regulator, making it versatile for various power management and switching applications. This device is packaged in a 5-pin SOT-23 (DBV) package and operates over an ambient temperature range of –40°C to 125°C, ensuring reliability in harsh environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage Range | -0.3 | 15 | V | |
| VDD Regulator Supply Voltage Range | -0.3 | 42 | V | |
| Input Voltage Range, IN | -0.3 | VCC + 0.5 | V | |
| Output Voltage Range (pin 4) | -0.5 | VCC + 0.5 | V | |
| Continuous Output Current, OUT | ±100 | mA | ||
| Operating Junction Temperature Range | -40 | 150 | °C | |
| Storage Temperature Range | -65 | 150 | °C | |
| Input Threshold Voltage (Positive-going) | 3.3 | 6.6 | 9.3 | V |
| Input Threshold Voltage (Negative-going) | 1.7 | 3.3 | 4.6 | V |
| Input Voltage Hysteresis | 1.3 | V | ||
| High-Level Output Voltage | 8 | 9.1 | V | |
| Low-Level Output Voltage | 0.18 | 0.25 | V | |
| Regulator Output Voltage | 10 | 11.5 | 13 | V |
| Supply Current into VCC | 25 | 50 | 150 | µA |
Key Features
- Qualified for automotive applications with customer-specific configuration control and major-change approval.
- Internal voltage regulator providing approximately 20 mA of current at 11.5 V, which can be used to power other circuits.
- No active pullup circuit, distinguishing it from TPS2816 and TPS2817 models.
- High-speed operation with fast rise and fall times and short propagation delays.
- BiCMOS output stage for high instantaneous drive current and low drop to each rail.
- Low quiescent current of typically 0.2 µA when inputs are high or low.
- Available in 5-pin SOT-23 (DBV) package.
- Operates over an ambient temperature range of –40°C to 125°C.
Applications
The TPS2819QDBVRQ1 is suitable for various high-frequency switching converter applications, including but not limited to:
- MOSFET drivers in power management systems.
- Automotive power electronics.
- High-speed switching converters.
- Step-down converter applications.
- Power supply circuits requiring low quiescent current.
Q & A
- What is the operating temperature range of the TPS2819QDBVRQ1? The operating temperature range is –40°C to 125°C.
- What is the supply voltage range for VCC? The supply voltage range for VCC is –0.3 V to 15 V.
- Does the TPS2819QDBVRQ1 have an internal voltage regulator? Yes, it has an internal voltage regulator that provides approximately 20 mA of current at 11.5 V.
- What is the typical quiescent current when inputs are high or low? The typical quiescent current is 0.2 µA when inputs are high or low.
- What package type is the TPS2819QDBVRQ1 available in? It is available in a 5-pin SOT-23 (DBV) package.
- What are the key applications of the TPS2819QDBVRQ1? Key applications include MOSFET drivers in power management systems, automotive power electronics, high-speed switching converters, and step-down converter applications.
- What is the maximum continuous output current? The maximum continuous output current is ±100 mA.
- Does the TPS2819QDBVRQ1 have an active pullup circuit? No, it does not have an active pullup circuit.
- What is the recommended output capacitor for the internal regulator? An electrolytic output capacitor of 4.7 µF or larger is recommended.
- What is the propagation delay time for high-to-low-level output? The propagation delay time for high-to-low-level output is typically 24 to 45 ns at VCC = 10 V.
