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Texas Instruments DRV5057A4QDBZR
- Part No.:
- DRV5057A4QDBZR
- Manufacturer:
- Texas Instruments
- Category:
- Linear, Compass (ICs)
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
DRV5057A4QDBZR.pdf
- Description:
- SENSOR HALL EFFECT PWM SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:2,688
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Product details
Overview
DRV5057A4QDBZR from Texas Instruments is a linear Hall effect sensor with PWM output, designed for high-range absolute position sensing in industrial and automotive systems. It delivers 0.25%D/mT sensitivity at 5 V, ±168-mT linear magnetic range, 2-kHz carrier frequency, open-drain 20-mA sink output, and magnet temperature compensation across –40°C to +125°C - enabling robust tilt and fluid flow measurement in noisy environments.
For engineers reviewing the DRV5057A4QDBZR datasheet, DRV5057A4QDBZR pinout, DRV5057A4QDBZR application, or DRV5057A4QDBZR equivalent, this page provides verified technical context, real-world design meaning of key specs, validated SOT-23 pin mapping, confirmed alternative options with functional differences, and supply support for volume production in industrial automation and medical device programs.
Technical Context
The DRV5057A4QDBZR implements a fully integrated analog front-end with precision Hall element, offset cancellation, bandgap reference, and temperature-compensated PWM driver - all operating from dual supply ranges (3.0–3.63 V or 4.5–5.5 V). Its magnetic response is linear from 8% to 92% duty cycle, with quiescent 50% duty cycle at zero field and ±1% linearity error over full sensing range.
This variant uses active magnet temperature compensation (0.12%/°C) to counteract NdFeB magnet drift, ensuring stable sensitivity across –40°C to +125°C ambient. The 2-kHz PWM carrier enables noise-immune signal transmission, and edge-to-edge timing preserves integrity under ground potential mismatch or voltage noise - critical for long-cable industrial interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Sensitivity | 0.25%D/mT at VCC = 5 V - enables full-scale PWM swing across ±168 mT, maximizing resolution for large-gap or low-field applications |
| Linear Range | ±168 mT at 25°C - supports wide mechanical travel without saturation, e.g., 10-mm stroke in fluid flow or tilt sensing |
| PWM Frequency | 2.0 kHz typical - balances jitter immunity and microcontroller decode resolution; compatible with standard capture-timer peripherals |
| Duty Cycle Range | 8% to 92% linear - provides 84% usable dynamic range for analog-equivalent magnetic measurement |
| Temp Compensation | 0.12%/°C - actively tracks neodymium magnet Br drift, reducing system-level calibration burden across industrial temperature range |
| Output Drive | Open-drain, 20-mA sink - allows flexible pull-up to 5.5 V, supports wired-OR configurations and long-line termination |
| Supply Range | 3.0–3.63 V or 4.5–5.5 V - dual-rail operation avoids undefined behavior in mid-supply transition zone (3.63–4.5 V) |
Pinout & Package
SOT-23 (DBZ) package: 2.92 mm × 1.30 mm surface-mount body with gull-wing leads; optimized for PCB top-side magnetic field detection perpendicular to package top.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Power supply input | Must be decoupled with ≥0.01 µF ceramic capacitor to GND; supports two discrete operating ranges (3–3.63 V or 4.5–5.5 V) |
| OUT | Open-drain PWM output | Active-low signal; requires external pull-up; sinks up to 20 mA; carries linear magnetic data as duty-cycle modulation |
| GND | Ground reference | Primary return path for supply current and output sink current; must be low-impedance for stable PWM timing |
Key Features
| Feature | Design Value |
|---|---|
| PWM output with 2-kHz carrier | Enables noise-immune transmission over >1 m cables without shielding; eliminates analog signal degradation in EMI-heavy environments |
| Magnet temperature compensation | 0.12%/°C gain adjustment counters NdFeB flux loss, maintaining <±1% full-scale error from –40°C to +125°C without system recalibration |
| Open-drain 20-mA output | Supports mixed-voltage systems (e.g., 3.3-V MCU with 5-V pull-up); enables bus sharing and failsafe high-impedance state during power loss |
| 8%–92% linear duty cycle | Provides 84% effective analog span - higher than ratiometric analog outputs - improving ADC utilization and SNR in digital decoding |
| Quiescent 50% duty cycle | Self-checking feature: continuous clock presence confirms interconnect integrity and device power-up; no output implies fault or open circuit |
Applications
| Industrial Position Sensing | Automotive Pedal Monitoring |
|---|---|
Use Scenario: Detecting linear displacement of hydraulic cylinder rods in factory automation machinery using a moving permanent magnet aligned parallel to sensor top surface. IC Role / Device Role / Timing Role: Linear Hall sensor converting magnetic flux density into proportional PWM duty cycle; 2-kHz carrier ensures timing stability despite motor drive EMI. Use Value: ±168-mT range accommodates ±10 mm stroke with sub-0.1 mm repeatability; temperature compensation eliminates seasonal calibration drift. |
Use Scenario: Measuring accelerator pedal angle in passenger vehicles via magnet rotation above DRV5057A4QDBZR mounted on PCB. IC Role / Device Role / Timing Role: Absolute angle encoder delivering fail-safe PWM output; quiescent 50% duty cycle confirms live connection during key-on self-test. Use Value: Open-drain output interfaces directly to 5-V vehicle microcontrollers; 20-mA sink handles load variations across harness lengths without signal degradation. |
| Medical Fluid Flow Metering | Tilt-Based Height Leveling |
Use Scenario: Infusion pump flow rate monitoring where a rotating impeller with embedded magnet passes near sensor to generate pulse-width modulated speed signal. IC Role / Device Role / Timing Role: Magnetic RPM transducer; edge-to-edge PWM timing rejects common-mode noise from nearby switching power supplies. Use Value: 0.25%D/mT sensitivity resolves small flux changes from low-speed impeller rotation; 8–92% linear range avoids clipping at low flow rates. |
Use Scenario: Construction equipment automatic leveling where sensor detects gravity-aligned magnet orientation to calculate pitch/roll angles. IC Role / Device Role / Timing Role: Tilt angle transducer; magnet temperature compensation maintains accuracy across outdoor ambient swings (–40°C to +85°C). Use Value: ±168-mT range supports ±30° tilt measurement with 0.5° resolution; SOT-23 footprint enables compact mounting on gyrostabilized control boards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar linear Hall effect sensor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV5057A3QDBZR | 0.5%D/mT sensitivity, ±84-mT range, same temp compensation and PWM architecture | Better resolution for medium-range motion (e.g., 5-mm stroke), but saturates earlier in high-gap setups | Select when magnetic field strength exceeds ±84 mT at target air gap; retains identical pinout, supply, and firmware interface |
| DRV5055A4QLPGM | Analog ratiometric output (0.6–1.6 V), no PWM, TO-92 package, same sensitivity and range | Requires ADC input and noise filtering; lacks built-in clock for interconnect validation | Choose for legacy analog signal chains or space-constrained through-hole designs; not drop-in - different output type and package |
Compared with DRV5057A4QDBZR, DRV5057A3QDBZR offers higher sensitivity for tighter mechanical ranges while retaining full compatibility, whereas DRV5055A4QLPGM trades PWM noise immunity for analog simplicity and through-hole mounting - requiring redesign of signal conditioning and layout.
Availability
DRV5057A4QDBZR is available at Aetrix Electronics and suitable for industrial automation, automotive pedal sensing, and medical fluid flow metering requiring stable component supply across extended temperature and long product lifecycles.
Supply support for DRV5057A4QDBZR 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 precision sensing, power management, and signal chain solutions.
The DRV5057 product line delivers robust, temperature-compensated linear Hall sensors with PWM output - engineered specifically for high-reliability position, tilt, and current sensing in harsh industrial and automotive environments.
FAQ
What is the magnetic sensitivity and linear range of the DRV5057A4QDBZR?
The DRV5057A4QDBZR has a nominal sensitivity of 0.25%D/mT at VCC = 5 V and a linear magnetic sensing range of ±168 mT at 25°C. This enables full-scale PWM duty cycle swing (8% to 92%) across its specified range, supporting large mechanical displacements such as 10-mm stroke in fluid flow or tilt applications. Sensitivity remains stable across –40°C to +125°C due to integrated magnet temperature compensation.
Does the DRV5057A4QDBZR require an external pull-up resistor on the OUT pin?
Yes, the DRV5057A4QDBZR features an open-drain output and requires an external pull-up resistor on the OUT pin to establish the high logic level. The device can sink up to 20 mA, and the pull-up voltage may range from 0 V to 5.5 V - allowing interoperability with 3.3-V or 5-V microcontrollers. A typical value is 4.7 kΩ to 5 V, selected based on rise time and noise immunity requirements.
How does the magnet temperature compensation in DRV5057A4QDBZR improve system accuracy?
The DRV5057A4QDBZR applies 0.12%/°C sensitivity compensation to counteract the intrinsic thermal drift of neodymium magnets (NdFeB), which lose ~0.12%/°C of remanent flux density (Br) as temperature rises. This active correction maintains <±1% full-scale error across –40°C to +125°C ambient, eliminating the need for system-level recalibration and significantly improving long-term stability in uncontrolled environments like factory floors or vehicle cabins.
What is the significance of the 2-kHz PWM carrier frequency in DRV5057A4QDBZR?
The 2-kHz PWM carrier frequency in DRV5057A4QDBZR balances noise immunity, microcontroller decode resolution, and power consumption. It enables reliable edge-based timing measurements even under ground potential mismatch or conducted EMI, supports standard capture-and-compare timer peripherals, and yields ≤0.1%D LSB resolution with 2-MHz sampling - making it ideal for industrial position feedback where analog signal degradation is unacceptable.
Can DRV5057A4QDBZR operate from a 3.3-V supply, and how does sensitivity change?
Yes, DRV5057A4QDBZR operates from 3.0–3.63 V supplies. At VCC = 3.3 V and 25°C, its sensitivity is 0.15%D/mT (typical), approximately 60% of the 5-V value - a known, characterized trade-off. The linear range scales proportionally to ±101 mT, and all other specifications (PWM frequency, temp compensation, duty cycle range) remain valid. System designers must verify that reduced sensitivity meets required resolution at target air gaps.
DRV5057A4QDBZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Hall Effect
- Axis:
- Single
- Output Type:
- PWM
- Sensing Range:
- ±168mT
- Voltage - Supply:
- 3V ~ 3.63V, 4.5V ~ 5.5V
- Current - Supply (Max):
- 10mA
- Current - Output (Max):
- 20mA
- Resolution:
- -
- Bandwidth:
- 2kHz
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Features:
- Temperature Compensated
- Supplier Device Package:
- SOT-23-3
- Mounting Type:
- Surface Mount
DRV5057A4QDBZR FAQ
1.How can I place an order for DRV5057A4QDBZR through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV5057A4QDBZR 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 DRV5057A4QDBZR reliable?
The price and inventory of DRV5057A4QDBZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV5057A4QDBZR is usually 5 days.
3.What payment methods are accepted for DRV5057A4QDBZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV5057A4QDBZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV5057A4QDBZR?
DRV5057A4QDBZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV5057A4QDBZR 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 DRV5057A4QDBZR?
For technical support, including DRV5057A4QDBZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV5057A4QDBZR requirements.
6.How does Aetrix verify that DRV5057A4QDBZR is sourced from the original manufacturer or authorized distributors?
All DRV5057A4QDBZR 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 DRV5057A4QDBZR meets industry standards.
7.What is the process for return or replacement of DRV5057A4QDBZR?
All DRV5057A4QDBZR units undergo pre-shipment inspection (PSI). If there is an issue with DRV5057A4QDBZR, 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 DRV5057A4QDBZR part is unused and in its original packaging.
Return procedure for DRV5057A4QDBZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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