Overview
The DRV5053-Q1, specifically the DRV5053EAQDBZRQ1 model from Texas Instruments, is a chopper-stabilized Hall effect sensor designed for high-accuracy magnetic sensing applications. This device is AEC-Q100 qualified, making it suitable for automotive and other demanding environments. It operates over a wide voltage range from 2.7 to 38 V and includes integrated protection features such as reverse supply protection, load dump protection, and output short-circuit protection. The sensor provides an analog output that responds linearly to the applied magnetic flux density, distinguishing the polarity of the magnetic field direction.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Power Supply Voltage (VCC) | 2.7 | - | 38 | V |
| Operating Ambient Temperature (TA) | -40 | - | 125 (Q Grade), 150 (E Grade) | °C |
| Output Pin Voltage (OUT) | 0 | - | 2 | V |
| Output Pin Current Source (ISOURCE) | 0 | - | 300 | µA |
| Output Pin Current Sink (ISINK) | 0 | - | 2.3 | mA |
| Magnetic Sensitivity | - | +45 | - | mV/mT |
| Power-On Time | 35 | - | 50 | µs |
| Reverse Supply Voltage (VCCR) | -22 | - | - | V |
| Load Dump Protection | - | - | 40 | V |
Key Features
- Wide Operating Voltage Range: Supports a voltage range from 2.7 to 38 V without the need for an external regulator.
- Integrated Protection Features: Includes reverse supply protection up to –22 V, load dump protection up to 40 V, output short-circuit protection, and output current limitation.
- Fast Power-On Time: Achieves power-on in 35 µs.
- Small Package Options: Available in surface mount 3-pin SOT-23 (DBZ) and through-hole 3-pin TO-92 (LPG) packages.
- Analog Output Stage: Capable of sourcing up to 300 µA or sinking up to 2.3 mA, with an output voltage range of 0.2 to 1.8 V.
- High Sensitivity Stability: Offers superior sensitivity stability over temperature.
Applications
- Flow Meters: Used for measuring fluid flow rates.
- Docking Adjustment: Utilized in systems requiring precise alignment and positioning.
- Vibration Correction: Helps in stabilizing and correcting vibrations in various mechanical systems.
- Damper Controls: Employed in control systems for dampers to regulate movement and stability.
Q & A
- What is the operating voltage range of the DRV5053-Q1?
The DRV5053-Q1 operates over a voltage range from 2.7 to 38 V.
- What are the key protection features of the DRV5053-Q1?
The device includes reverse supply protection, load dump protection, output short-circuit protection, and output current limitation.
- How fast is the power-on time for the DRV5053-Q1?
The power-on time is 35 µs.
- What are the available package options for the DRV5053-Q1?
The device is available in surface mount 3-pin SOT-23 (DBZ) and through-hole 3-pin TO-92 (LPG) packages.
- What is the magnetic sensitivity of the DRV5053EA model?
The magnetic sensitivity of the DRV5053EA model is +45 mV/mT.
- What is the maximum output current sink capability of the DRV5053-Q1?
The device can sink up to 2.3 mA.
- What is the recommended capacitive load for the output pin?
The capacitive load should be less than 10 nF to ensure stability.
- Can the DRV5053-Q1 withstand reverse supply conditions?
Yes, it can withstand reverse supply conditions up to –22 V.
- What are some typical applications of the DRV5053-Q1?
Typical applications include flow meters, docking adjustment, vibration correction, and damper controls.
- Is the DRV5053-Q1 AEC-Q100 qualified?
Yes, the DRV5053-Q1 is AEC-Q100 qualified for automotive applications.
