Overview
The TPS2818DBVRG4 is a single-channel high-speed MOSFET driver from Texas Instruments, part of the TPS28xx series. This device is designed to deliver high peak currents of up to 2 A into highly capacitive loads, making it suitable for applications requiring rapid switching and high drive current. The TPS2818DBVRG4 operates over a wide ambient temperature range of –40°C to 125°C and is packaged in a 5-pin SOT-23 (DBV) package.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Regulator Input Voltage Range (VDD) | 8 | 40 | V | |
| Supply Voltage (VCC) | 4 | 14 | V | |
| Input Voltage (IN) | –0.3 | VCC | V | |
| Peak Output Current | 2 | A | ||
| Rise Time (tr) | 14 | 30 | ns | |
| Fall Time (tf) | 14 | 30 | ns | |
| Propagation Delay Time (tPHL, tPLH) | 24 | 45 | ns | |
| Operating Ambient Temperature Range | –40 | 125 | °C | |
| Storage Temperature Range | –65 | 150 | °C | |
| Lead Temperature (1/16 inch from case for 10 seconds) | 260 | °C |
Key Features
- High-speed BiCMOS outputs with rise and fall times as low as 14 ns.
- Peak output current of up to 2 A into highly capacitive loads.
- Internal regulator extends the driver supply voltage range to 40 V (for TPS2816 through TPS2819).
- Active pullup circuit on input (for TPS2816 and TPS2817) to eliminate the need for external pullup resistors.
- Low quiescent current of 25 µA (for TPS2818 and TPS2819) when inputs are high or low.
- Highly resistant to latch-ups.
- Operating ambient temperature range of –40°C to 125°C.
- Available in 5-pin SOT-23 (DBV) package.
Applications
- Power management systems requiring high-speed MOSFET switching.
- Boost converters and other DC-DC conversion applications.
- Motor control and power amplifiers.
- High-frequency switching circuits.
- General-purpose high-speed logic circuits.
Q & A
- What is the peak output current of the TPS2818DBVRG4?
The TPS2818DBVRG4 can deliver a peak output current of up to 2 A.
- What is the operating ambient temperature range of the TPS2818DBVRG4?
The device operates over an ambient temperature range of –40°C to 125°C.
- Does the TPS2818DBVRG4 have an internal voltage regulator?
- What is the typical rise and fall time of the TPS2818DBVRG4?
The typical rise and fall times are 14 ns.
- What package type is the TPS2818DBVRG4 available in?
The device is available in a 5-pin SOT-23 (DBV) package.
- Does the TPS2818DBVRG4 have an active pullup circuit on the input?
No, the TPS2818DBVRG4 does not have an active pullup circuit on the input; this feature is available in the TPS2816 and TPS2817 models.
- What is the quiescent current of the TPS2818DBVRG4 when inputs are high or low?
The quiescent current is typically 25 µA when inputs are high or low.
- Can the TPS2818DBVRG4 be used in high-frequency switching circuits?
- What is the recommended output capacitor for the internal regulator?
An electrolytic output capacitor of 4.7 µF or larger is recommended for the internal regulator.
- What are the typical input threshold voltages for the TPS2818DBVRG4?
The positive-going input threshold voltage is approximately 2/3 of VCC, and the negative-going input threshold voltage is approximately 1/3 of VCC.
