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Texas Instruments DRV5015A3EDBZRQ1
- Part No.:
- DRV5015A3EDBZRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- -
- Datasheet:
-
DRV5015A3EDBZRQ1.pdf
- Description:
- DRV5015-Q1 AUTOMOTIVE, HIGH SENS
- Quantity:
- Payment:
- Shipping:
Inventory:2,980
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Product details
Overview
DRV5015A3EDBZRQ1 from Texas Instruments is an automotive-grade digital-latch Hall effect sensor in a 3-pin SOT-23 package, operating from 2.5 V to 5.5 V, with ±1.8 mT typical magnetic operate point (inverted polarity), integrated hysteresis (1.75–3.6 mT), and 30-kHz sensing bandwidth - used for rotor position sensing in BLDC motors such as electronic power steering and fuel pumps.
For engineers reviewing the DRV5015A3EDBZRQ1 datasheet, DRV5015A3EDBZRQ1 pinout, DRV5015A3EDBZRQ1 application, or DRV5015A3EDBZRQ1 equivalent, key selection considerations include its inverted output logic, AEC-Q100 Grade 0 qualification (–40°C to +150°C), open-drain 20-mA sink capability, magnetic threshold stability over temperature, and compatibility with low-cost ferrite or bonded NdFeB magnets in space-constrained motor assemblies.
Technical Context
The DRV5015A3EDBZRQ1 implements a latch architecture where alternating north/south magnetic poles toggle the output state, with default high output at power-up in zero-field conditions. Its internal signal chain includes offset cancellation, temperature-compensated amplification, and comparator-based threshold detection referenced to BOP (±1.8 mT) and BRP (±1.8 mT) with hysteresis.
It samples the Hall element every ~16.67 µs, computes a two-sample moving average for noise immunity, and triggers output transitions only when the averaged field crosses thresholds - delivering robust switching in high-vibration, high-temperature motor environments up to 150°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.5 V to 5.5 V - supports direct connection to automotive 3.3 V or 5 V rails without regulation. |
| Magnetic Operate Point (BOP) | ±1.8 mT (typical, TA = –40°C to +150°C) - enables use of low-strength, cost-effective magnets with relaxed air-gap tolerance. |
| Hysteresis (BHYS) | 1.75–3.6 mT - prevents chatter near threshold crossings in noisy mechanical systems like rotating shafts. |
| Sensing Bandwidth | 30 kHz (typical) - supports accurate position sampling up to 45 kRPM in 8-pole incremental encoders. |
| Output Type | Open-drain, 20-mA sink - allows flexible pull-up to GPIO voltages ≤5.5 V and simplifies interfacing with diverse microcontrollers. |
| Operating Temperature | –40°C to +150°C - qualified per AEC-Q100 Grade 0 for under-hood and motor-integrated placement. |
| Power-On Time (tON) | 40–70 µs - ensures rapid readiness after power application in safety-critical startup sequences. |
Pinout & Package
Package: SOT-23 (DBZ), 2.92 mm × 1.30 mm body size, 3-pin surface-mount with gull-wing leads. RoHS-compliant, Sn lead finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Power supply input | 2.5–5.5 V rail; requires ≥0.01 µF ceramic decoupling capacitor to GND for stable operation. |
| GND | Ground reference | Primary return path for supply current and output sink current; must be low-impedance. |
| OUT | Open-drain digital output | Active-low latched output; requires external pull-up resistor to system GPIO voltage (≤5.5 V). |
Key Features
| Feature | Design Value |
|---|---|
| Inverted output logic | Default high at power-up; south pole drives OUT high, north pole drives OUT low - enables direct compatibility with controllers expecting active-high latch signals. |
| AEC-Q100 Grade 0 qualification | Validated for –40°C to +150°C ambient operation, HBM ±5 kV, CDM ±1.5 kV - suitable for engine bay, transmission, and e-powertrain locations. |
| Integrated hysteresis | 1.75–3.6 mT magnetic hysteresis - eliminates false triggering from vibration-induced field fluctuations in rotating assemblies. |
| Fast propagation delay | 13–25 µs (B = BRP –10 mT to BOP +10 mT) - supports precise timing in high-speed motor commutation and tachometer feedback loops. |
| On-chip offset cancellation | Compensates for Hall element drift across temperature and process variation - maintains consistent BOP/BRP thresholds without external calibration. |
Applications
| Brushless DC Motor Commutation | Incremental Rotary Encoding |
|---|---|
Use Scenario: Detecting rotor position in 3-phase BLDC motors for electronic power steering (EPS) systems. IC Role / Device Role / Timing Role: Digital-latch Hall sensor providing six-step commutation states synchronized to mechanical rotation. Use Value: Enables precise torque control and smooth assist response using compact, high-temp SOT-23 placement on motor PCBs. |
Use Scenario: Measuring rotational speed and direction of vehicle wheel speed sensors or HVAC damper actuators. IC Role / Device Role / Timing Role: Quadrature encoder channel generator when paired with second DRV5015A3EDBZRQ1 offset by 90° electrical phase. Use Value: Delivers 30-kHz bandwidth sufficient for 45 kRPM measurement with <25 µs timing resolution per edge. |
| Fuel Pump Rotor Sensing | Power Sunroof Position Feedback |
Use Scenario: Monitoring commutation timing in brushless fuel pumps exposed to under-hood temperatures up to 150°C. IC Role / Device Role / Timing Role: Latching magnetic pole transitions to determine rotor angular position for closed-loop pump speed control. Use Value: Maintains reliable switching across full AEC-Q100 Grade 0 range without derating or thermal shutdown. |
Use Scenario: Detecting glass lift/drop position in automotive power sunroofs using ring magnet and PCB-mounted sensor. IC Role / Device Role / Timing Role: Edge-triggered position indicator generating pulses per revolution for ECU-based travel tracking. Use Value: Open-drain output interfaces directly to 3.3 V or 5 V MCU GPIOs; small SOT-23 footprint saves space on constrained door module PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital-latch Hall effect sensor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV5015A2EDBZRQ1 | Same package and supply range, but non-inverted output logic (south pole → low, north pole → high); BOP/BRP ±1.8 mT identical. | Requires controller firmware or logic inversion to match DRV5015A3EDBZRQ1's active-high latch behavior. | Select when existing design uses standard (non-inverted) latch timing or when reusing layout with minimal firmware change. |
| TMAG5170AHQDBVRQ1 | 3D Hall sensor with analog ratiometric output, SPI interface, and ±40 mT full-scale range - not a latch device; higher accuracy but more complex interface. | Used for absolute angle measurement or high-precision current sensing, not simple pole counting or commutation. | Choose only when vector field measurement or programmable thresholds are required; not a functional replacement for latch operation. |
Compared with DRV5015A2EDBZRQ1, the DRV5015A3EDBZRQ1 provides inverted logic out-of-box for direct compatibility with certain MCU interrupt configurations; compared with TMAG5170AHQDBVRQ1, it offers simpler integration, lower BOM cost, and deterministic digital edges - making it optimal for cost-sensitive, high-volume motor commutation where absolute angle data is unnecessary.
Availability
DRV5015A3EDBZRQ1 is available at Aetrix Electronics and suitable for automotive BLDC motor control, incremental rotary encoding, and power actuator position sensing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for DRV5015A3EDBZRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in automotive, industrial, and power management solutions.
The DRV5015-Q1 product line delivers high-sensitivity, temperature-stable digital-latch Hall sensors optimized for demanding motor control and position feedback applications in automotive powertrain and chassis systems.
FAQ
What is the magnetic polarity behavior of the DRV5015A3EDBZRQ1?
The DRV5015A3EDBZRQ1 features inverted output logic: a south magnetic pole applied to the top of the package drives the open-drain output high (pull-up dependent), while a north pole drives it low. At power-up with no field present, the output defaults to high. This behavior is confirmed in Section 7.1 of the SBAS916B datasheet and distinguishes it from the A1/A2 variants.
Does the DRV5015A3EDBZRQ1 require an external pull-up resistor?
Yes, the DRV5015A3EDBZRQ1 has an open-drain output and requires an external pull-up resistor to a valid GPIO voltage (≤5.5 V). The value must balance rise time and power dissipation - TI recommends starting with 4.7 kΩ for 3.3 V systems or 10 kΩ for 5 V systems, as detailed in Figure 14 of the SBAS916B datasheet.
What is the maximum rotational speed the DRV5015A3EDBZRQ1 can accurately measure?
The DRV5015A3EDBZRQ1 supports up to 45 kRPM in incremental encoding applications when used with an 8-pole magnet, based on its 30-kHz sensing bandwidth - which exceeds the 6,000 pole-crossings-per-second requirement by 5×. This capability is verified in Section 8.2.2.2 of the SBAS916B datasheet.
Is the DRV5015A3EDBZRQ1 pin-compatible with other variants in the DRV5015-Q1 family?
Yes, all DRV5015-Q1 variants including DRV5015A3EDBZRQ1 use the same SOT-23 (DBZ) 3-pin package with identical pinout (VCC, OUT, GND), enabling drop-in replacement across A1/A2/A3 versions when board layout and firmware accommodate the output polarity difference.
How does the DRV5015A3EDBZRQ1 handle temperature variation in magnetic thresholds?
The DRV5015A3EDBZRQ1 maintains stable BOP and BRP thresholds across –40°C to +150°C, with typical BOP = ±1.8 mT and BHYS = 1.75–3.6 mT over that full range. Internal temperature compensation circuitry minimizes drift, as shown in Figures 6 and 7 of the SBAS916B datasheet.
DRV5015A3EDBZRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- -
- Function:
- -
- Output Configuration:
- -
- Interface:
- -
- Technology:
- -
- Step Resolution:
- -
- Applications:
- -
- Current - Output:
- -
- Voltage - Supply:
- -
- Voltage - Load:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
DRV5015A3EDBZRQ1 FAQ
1.How can I place an order for DRV5015A3EDBZRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV5015A3EDBZRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DRV5015A3EDBZRQ1 reliable?
The price and inventory of DRV5015A3EDBZRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV5015A3EDBZRQ1 is usually 5 days.
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DRV5015A3EDBZRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV5015A3EDBZRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DRV5015A3EDBZRQ1?
For technical support, including DRV5015A3EDBZRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV5015A3EDBZRQ1 requirements.
6.How does Aetrix verify that DRV5015A3EDBZRQ1 is sourced from the original manufacturer or authorized distributors?
All DRV5015A3EDBZRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DRV5015A3EDBZRQ1 meets industry standards.
7.What is the process for return or replacement of DRV5015A3EDBZRQ1?
All DRV5015A3EDBZRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with DRV5015A3EDBZRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DRV5015A3EDBZRQ1 part is unused and in its original packaging.
Return procedure for DRV5015A3EDBZRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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