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Texas Instruments TMAG5253BA3IQDMRR
- Part No.:
- TMAG5253BA3IQDMRR
- Manufacturer:
- Texas Instruments
- Category:
- Linear, Compass (ICs)
- Package:
- 4-XFDFN Exposed Pad
- Datasheet:
-
TMAG5253BA3IQDMRR.pdf
- Description:
- LOW-POWER LINEAR HALL-EFFECT SEN
- Quantity:
- Payment:
- Shipping:
Inventory:3,626
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Product details
Overview
TMAG5253BA3IQDMRR from Texas Instruments is a bipolar linear Hall effect sensor with ±80 mT magnetic sensing range, 15 mV/mT sensitivity (at 3.3 V, 25°C), ratiometric analog output, and dedicated enable pin for ultra-low-power operation. It operates from 1.65 V to 3.6 V, draws <20 nA in shutdown mode, and delivers fast power-on time (<25 µs) - ideal for battery-powered position sensing in compact motor control systems.
For engineers reviewing the TMAG5253BA3IQDMRR datasheet, TMAG5253BA3IQDMRR pinout, TMAG5253BA3IQDMRR application, or TMAG5253BA3IQDMRR equivalent, key selection criteria include its X2SON-4 package footprint (1.40 mm × 1.10 mm), bipolar polarity support, temperature-compensated sensitivity (0.12 %/°C), high-impedance shutdown state, and compatibility with single-supply ADC reference sharing.
Technical Context
The TMAG5253BA3IQDMRR implements a ratiometric architecture where both quiescent voltage (VQ ≈ VCC/2) and sensitivity scale linearly with supply voltage - enabling error cancellation when paired with an ADC using the same VCC as reference. Its internal magnet temperature compensation counteracts neodymium magnet drift across –40°C to 125°C.
It features a dedicated EN pin with hysteresis (0.1 × VCC) to control active/shutdown modes, delivering <20 nA shutdown current and 2 mA active current at 1.8 V. Output impedance shifts from 1.27 Ω (active) to 9 MΩ (shutdown), supporting multiplexed connection to a shared ADC input.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 1.65 V – 3.6 V: Supports single-cell Li-ion, coin cell, and regulated low-voltage rails without external LDO. |
| Magnetic Range (Bipolar) | ±80 mT: Enables robust position detection with common NdFeB magnets at typical air gaps (0.5–2 mm). |
| Sensitivity | 12.75–17.25 mV/mT (3.3 V, 25°C): Delivers ~1.3 V full-scale swing across ±80 mT, optimizing ADC resolution. |
| Power-On Time | <25 µs (bipolar): Allows rapid sampling in duty-cycled systems (e.g., 100 Hz cycling yields <10 µA avg current). |
| Shutdown Current | <20 nA at 1.8 V, 25°C: Extends battery life in always-on proximity wake-up applications beyond 10 years. |
| Operating Temp | –40°C to 125°C: Qualified for automotive cabin, power tool, and industrial robot environments. |
| Ratiometric Error | ±0.2% (VQ), ±3% (S): Ensures consistent digital readings under ±10% VCC variation when ADC shares same supply. |
Pinout & Package
TMAG5253BA3IQDMRR uses the DMR (X2SON-4) package: 1.40 mm × 1.10 mm, 0.4 mm height, with exposed thermal pad. Pin 1 = VCC, Pin 2 = GND, Pin 3 = EN, Pin 4 = OUT. Thermal pad must be soldered for mechanical reliability and thermal performance (RθJB = 105 °C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC (Pin 1) | Power supply input | Requires ≥0.1 µF ceramic decoupling to GND; supports 1.65–3.6 V operation with internal regulation. |
| GND (Pin 2) | Ground reference | Low-impedance return path for analog output and internal circuitry; connects to thermal pad. |
| EN (Pin 3) | Enable control input | Active-high logic; VIH = 0.65×VCC, VIL = 0.35×VCC; hysteresis prevents chatter during slow-rising signals. |
| OUT (Pin 4) | Analog voltage output | Ratiometric, rail-to-rail capable (0.2 V to VCC–0.2 V); high-Z in shutdown enables multi-sensor ADC sharing. |
Key Features
| Feature | Design Value |
|---|---|
| Bipolar magnetic response | Distinguishes north/south pole direction - essential for rotary position encoding and commutation timing. |
| ±80 mT linear range (BA3) | Optimized for medium-strength NdFeB magnets at 1–2 mm air gap; avoids saturation in compact actuator designs. |
| Sensitivity temperature coefficient | 0.12 %/°C compensation counters typical NdFeB flux loss (~−0.12%/°C), maintaining linearity over full –40°C to 125°C range. |
| Fast 25 µs power-on | Enables aggressive duty cycling (e.g., 100 Hz on/off) while keeping average current below 10 µA - critical for coin-cell lifetime. |
| High-impedance shutdown | 9 MΩ output resistance allows up to 8 sensors to share one ADC channel without signal crosstalk or loading errors. |
Applications
| Gaming Controller & Peripherals | Mobile Robot Motor Control |
|---|---|
Use Scenario: Precise analog thumbstick or trigger position sensing in wireless controllers with strict battery life targets. IC Role / Device Role / Timing Role: Linear Hall sensor converting magnet displacement into ratiometric voltage for MCU ADC sampling. Use Value: <20 nA shutdown current extends AA/AAA battery life beyond 2 years; ±80 mT range accommodates ergonomic travel distance. | Use Scenario: Commutation feedback for BLDC motors in autonomous mobile robots operating across warehouse temperature gradients. IC Role / Device Role / Timing Role: Bipolar position sensor detecting rotor pole transitions to synchronize PWM drive timing. Use Value: Temperature-compensated sensitivity ensures consistent electrical angle accuracy from –20°C to 60°C ambient without calibration. |
| Cordless Power Tools | Vacuum Robots |
Use Scenario: Trigger pull detection and speed control in cordless drills/driver where mechanical switch wear and EMI immunity are critical. IC Role / Device Role / Timing Role: Analog Hall sensor replacing potentiometers; outputs proportional voltage to MCU for closed-loop torque/speed regulation. Use Value: Ratiometric architecture eliminates VCC tolerance impact on ADC readings - vital under varying battery voltage (18–21 V pack sag). | Use Scenario: Bumper collision detection and cliff sensing via magnet-actuated levers in robotic vacuum cleaners. IC Role / Device Role / Timing Role: Proximity sensor detecting lever deflection caused by obstacle contact or stair edge. Use Value: Ultra-small X2SON-4 footprint (1.54 mm²) fits tight bumper PCB space; fast 25 µs response enables real-time stop commands. |
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 |
|---|---|---|---|
| TMAG5170AHQDGKR | 3D Hall sensor (X/Y/Z axes), SPI interface, higher power (1.5 mA active), larger QFN-16 package | Supports complex motion tracking (tilt, rotation); not drop-in for single-axis analog use | Select when vector field measurement or digital interface is required; avoid for simple analog position sensing. |
| ALLEGRO A1324LLHLT-T | Bipolar analog Hall IC, ±100 mT range, 5 V supply only, no enable pin, SOIC-8 package | Lacks shutdown mode and ratiometric design; requires external voltage scaling for 3.3 V MCUs | Choose only if 5 V system exists and ultra-low power is not required; board redesign needed for SOIC-8 footprint. |
Compared with TMAG5253BA3IQDMRR, TMAG5170AHQDGKR adds 3D sensing but increases power and complexity, while A1324LLHLT-T offers wider range at 5 V but sacrifices battery efficiency and integration density - making TMAG5253BA3IQDMRR optimal for space-constrained, low-power, single-axis analog sensing.
Availability
TMAG5253BA3IQDMRR is available at Aetrix Electronics and suitable for cordless power tools, vacuum robots, and gaming peripherals requiring stable component supply, long-term lifecycle support, and guaranteed authentic TI sourcing.
Supply support for TMAG5253BA3IQDMRR 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 leader specializing in analog, embedded processing, and high-reliability components for industrial, automotive, and consumer markets.
The TMAG5253 product line delivers ultra-low-power, temperature-compensated linear Hall sensors in miniature packages for battery-operated position and proximity sensing in space- and energy-constrained systems.
FAQ
What is the magnetic sensitivity range of the TMAG5253BA3IQDMRR?
The TMAG5253BA3IQDMRR has a bipolar linear magnetic sensing range of ±80 mT at 25°C, verified per TI's SBASAI5E datasheet Section 6.6. This range remains stable across –40°C to 125°C due to integrated sensitivity temperature compensation (STC = 0.12 %/°C), ensuring reliable operation with neodymium magnets in motor control and proximity applications.
Does the TMAG5253BA3IQDMRR support ratiometric operation with an external ADC?
Yes, the TMAG5253BA3IQDMRR implements a true ratiometric architecture: both quiescent voltage (VQ ≈ VCC/2) and sensitivity scale linearly with supply voltage. When the external ADC uses the same VCC as its reference, VCC tolerance-induced errors cancel - confirmed by ±0.2% VQ ratiometry error and ±3% sensitivity ratiometry error in the datasheet.
What is the shutdown current specification for TMAG5253BA3IQDMRR?
The TMAG5253BA3IQDMRR draws less than 20 nA at 1.8 V and 25°C in shutdown mode (EN pin low), per Section 6.5 of the TI datasheet. This ultra-low leakage enables multi-year battery life in always-on wake-up systems - for example, a CR2032 cell powering 100 µA average load would last >10 years with 0.1% duty cycle.
Can multiple TMAG5253BA3IQDMRR sensors share a single ADC input?
Yes - during shutdown (EN = low), the TMAG5253BA3IQDMRR output enters high-impedance state (9 MΩ), allowing multiple devices to connect to one ADC channel without loading or crosstalk. Active devices must be time-multiplexed via individual EN control, leveraging the <25 µs power-on time for rapid sampling.
What package type and dimensions does the TMAG5253BA3IQDMRR use?
The TMAG5253BA3IQDMRR uses the DMR package: a 4-pin X2SON variant measuring 1.40 mm × 1.10 mm × 0.4 mm with an exposed thermal pad. The pinout is VCC (1), GND (2), EN (3), OUT (4). Mechanical details are specified in TI's SBASAI5E datasheet Section 12 and package drawing SLMS229.
TMAG5253BA3IQDMRR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 4-XFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Hall Effect
- Axis:
- Z
- Output Type:
- Analog Voltage
- Sensing Range:
- ±80mT
- Voltage - Supply:
- 1.65V ~ 3.6V
- Current - Supply (Max):
- 5mA
- Current - Output (Max):
- -
- Resolution:
- -
- Bandwidth:
- 15kHz
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Features:
- -
- Supplier Device Package:
- 4-X2SON (1.1x1.4)
- Mounting Type:
- Surface Mount
TMAG5253BA3IQDMRR FAQ
1.How can I place an order for TMAG5253BA3IQDMRR through Aetrix?
Please submit a Request for Quotation (RFQ) for TMAG5253BA3IQDMRR 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 TMAG5253BA3IQDMRR reliable?
The price and inventory of TMAG5253BA3IQDMRR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMAG5253BA3IQDMRR is usually 5 days.
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Once your TMAG5253BA3IQDMRR 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 TMAG5253BA3IQDMRR?
For technical support, including TMAG5253BA3IQDMRR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMAG5253BA3IQDMRR requirements.
6.How does Aetrix verify that TMAG5253BA3IQDMRR is sourced from the original manufacturer or authorized distributors?
All TMAG5253BA3IQDMRR 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 TMAG5253BA3IQDMRR meets industry standards.
7.What is the process for return or replacement of TMAG5253BA3IQDMRR?
All TMAG5253BA3IQDMRR units undergo pre-shipment inspection (PSI). If there is an issue with TMAG5253BA3IQDMRR, 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 TMAG5253BA3IQDMRR part is unused and in its original packaging.
Return procedure for TMAG5253BA3IQDMRR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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