PDRV5057Z3QDBZR Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock
The PDRV5057Z3QDBZR is an automotive-qualified linear Hall effect sensor from Texas Instruments with a PWM output, operating from 3.3 V to 5.5 V supply in a tiny SOT-23 3-pin package. It provides a ratiometric PWM duty-cycle output proportional to the applied magnetic field, covering the DRV5057 Z3 sensitivity variant. Available in stock worldwide for automotive position sensing applications.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- PDRV5057Z3QDBZR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PDRV5057Z3QDBZR?
- PWM output with ratiometric duty-cycle linearly proportional to applied magnetic flux density, enabling direct interface to microcontroller capture/compare inputs without an ADC
- Automotive AEC-Q100 qualified with an operating temperature range of -40°C to +150°C supporting under-hood and powertrain position sensing in harsh vehicle environments
- 3-pin SOT-23 package with 3.3 V to 5.5 V supply range minimizing PCB footprint and enabling low-power position feedback in space-constrained automotive and industrial designs
What is PDRV5057Z3QDBZR used for?
The PDRV5057Z3QDBZR is designed for automotive throttle position sensing, seat belt buckle detection, and brushless DC motor rotor position feedback where a ratiometric PWM signal simplifies host MCU interface. Its AEC-Q100 qualification and -40°C to +150°C operating range make it reliable in engine bay proximity sensors and transmission selector position detectors. Industrial applications include conveyor position feedback, valve stem angle measurement, and linear actuator end-stop detection in factory automation equipment.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the PDRV5057Z3QDBZR datasheet?
PDRV5057Z3QDBZR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PDRV5057Z3QDBZR?
Compatible alternatives and drop-in replacements for PDRV5057Z3QDBZR:
Frequently Asked Questions
What output type does the PDRV5057Z3QDBZR use and how should a microcontroller read it?
The PDRV5057Z3QDBZR outputs a PWM signal whose duty cycle varies linearly from approximately 10% to 90% as the applied magnetic flux density changes across the sensor's full-scale range. A microcontroller timer configured in input-capture mode can measure the high-time and period to compute duty cycle without needing an ADC channel, saving a resource in cost-sensitive automotive ECU designs.
What magnetic sensitivity variant does the PDRV5057Z3QDBZR represent and how does it affect magnet selection?
The PDRV5057Z3QDBZR is the Z3 sensitivity variant of the DRV5057 family, corresponding to a sensitivity of approximately 8.8 mV/mT in the analog-equivalent scale. For a PWM output swing of 10% to 90% over ±65 mT full scale, designers should choose a neodymium magnet with sufficient flux density at the sensor's specified air gap, typically 1 mm to 3 mm, to cover the working range without saturation.
What supply voltage range and temperature rating make the PDRV5057Z3QDBZR suitable for automotive powertrain applications?
The PDRV5057Z3QDBZR operates from 3.3 V to 5.5 V, compatible with both 3.3 V and 5 V ECU power rails, and is AEC-Q100 qualified for an operating temperature of -40°C to +150°C. This extended temperature range covers under-hood environments adjacent to engine and exhaust components, ensuring accurate position feedback throughout the vehicle's service lifetime.
For a brushless motor commutation design, how does the PDRV5057Z3QDBZR compare to a digital Hall switch?
Unlike a digital Hall switch that outputs only on/off transitions at fixed magnetic thresholds, the PDRV5057Z3QDBZR delivers a continuous linear PWM duty-cycle proportional to field strength, providing rotor angle information across 360 degrees. This allows the MCU to implement field-oriented control with finer commutation angles than the 60-degree sectors typical of 3-switch Hall sensor arrays, improving motor efficiency by several percent at partial load.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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