Overview
The DRV5056A1QLPGM is a unipolar ratiometric linear Hall effect sensor produced by Texas Instruments. This device is designed to respond proportionally to the flux density of a magnetic south pole, making it ideal for accurate position sensing in various applications. It operates from either 3.3-V or 5-V power supplies and features an analog output with a 0.6-V quiescent offset, which maximizes the voltage swing for high accuracy.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply Voltage (VCC) | 3.3 to 5.5 | V |
| Output Voltage (OUT) | 0.6 V (quiescent) | V |
| Magnetic Sensitivity (at VCC = 5 V) | 200 mV/mT (A1 option) | mV/mT |
| Full-scale Magnetic Sensing Range (at VCC = 5 V) | 20 mT (A1 option) | mT |
| Operating Ambient Temperature Range | -40 to 150 | °C |
| Package Options | SOT-23, TO-92 | - |
| Sensitivity Temperature Compensation | 0.12 %/°C | %/°C |
| Sensitivity Linearity Error | ±1% | % |
| Sensitivity Ratiometry Error | -2.5% to 2.5% | % |
Key Features
- Unipolar Magnetic Response: Responds to the flux density of a magnetic south pole, maximizing output dynamic range.
- Ratiometric Architecture: Minimizes error from VCC tolerance when used with an external ADC that uses the same VCC for its reference.
- Magnet Temperature Compensation: Compensates for magnet drift due to temperature changes, ensuring linear performance across a wide temperature range.
- Fast Sensing Bandwidth: 20-kHz sensing bandwidth for high-speed applications.
- Low-Noise Output: ±1-mA drive capability with low noise output.
- AEC-Q100 Qualified: Qualified for automotive applications with a temperature grade 0: -40°C to 150°C.
Applications
- Automotive Position Sensing: Brake, acceleration, clutch pedals, torque sensors, gear shifters, throttle position, and height leveling.
- Powertrain and Transmission Components: Current sensing and other powertrain-related applications.
- Industrial Automation: Position sensing, current sensing, and other industrial automation tasks.
Q & A
- What is the operating voltage range of the DRV5056A1QLPGM?
The DRV5056A1QLPGM operates from 3.3-V to 5.5-V power supplies.
- What is the quiescent output voltage of the DRV5056A1QLPGM?
The quiescent output voltage is 0.6 V.
- What are the magnetic sensitivity options for the DRV5056A1QLPGM?
The DRV5056A1QLPGM has several sensitivity options, with the A1 option being 200 mV/mT at VCC = 5 V.
- What is the full-scale magnetic sensing range for the A1 option?
The full-scale magnetic sensing range for the A1 option is 20 mT at VCC = 5 V.
- What are the package options available for the DRV5056A1QLPGM?
The device is available in SOT-23 and TO-92 packages.
- Is the DRV5056A1QLPGM qualified for automotive applications?
Yes, the DRV5056A1QLPGM is AEC-Q100 qualified for automotive applications.
- What is the operating ambient temperature range of the DRV5056A1QLPGM?
The operating ambient temperature range is -40°C to 150°C.
- Does the DRV5056A1QLPGM have temperature compensation for magnet drift?
Yes, the device features magnet temperature compensation to counteract magnet drift due to temperature changes.
- What is the sensitivity linearity error of the DRV5056A1QLPGM?
The sensitivity linearity error is within ±1% when the output is within the specified linear range.
- What is the ratiometric architecture benefit of the DRV5056A1QLPGM?
The ratiometric architecture minimizes error from VCC tolerance when used with an external ADC that uses the same VCC for its reference.
