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Allegro MicroSystems ARS19510LUBBTN-RSWPHUJ
- Part No.:
- ARS19510LUBBTN-RSWPHUJ
- Manufacturer:
- Allegro MicroSystems
- Package:
- 2-SIP Module
- Datasheet:
-
ARS19510LUBBTN-RSWPHUJ.pdf
- Description:
- 2-WIRE, DIFF. SPD AND DIR SENSOR
- Quantity:
- Payment:
- Shipping:
Inventory:2,764
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Product details
Overview
ARS19510LUBBTN-RSWPHUJ from Allegro MicroSystems is a two-wire, differential Hall-effect gear-tooth sensor IC with integrated back-biasing magnet and EMC protection components. It delivers true zero-speed speed/direction output via pulse-width modulation, supports air-gap-independent switching, and operates from 4 V to 24 V across –40 °C to +150 °C for automotive transmission sensing.
For engineers reviewing the ARS19510LUBBTN-RSWPHUJ datasheet, ARS19510LUBBTN-RSWPHUJ pinout, ARS19510LUBBTN-RSWPHUJ application, or ARS19510LUBBTN-RSWPHUJ equivalent, this page provides verified technical context, real-world vibration immunity behavior, calibrated direction-change latency, differential magnetic signal handling (30–1200 GPP), and functional distinctions among L/H vibration variants.
Technical Context
The ARS19510LUBBTN-RSWPHUJ integrates three Hall elements in two differential pairs, enabling phase-based direction detection and robust rejection of common-mode magnetic noise. Its synchronous digital controller implements proprietary vibration detection algorithms-calibrating on initial target rotation rather than vibration-and supports dynamic air gap shifts across full range (J-suffix).
It uses dual AGC and AOA circuits per channel to normalize signal amplitude and offset across temperature and installation variation. Output timing is synchronized to mechanical edge position (tooth or valley), with forward/reverse pulses at 45 μs and 90 μs (N-variant) or 180 μs (W-variant), and non-direction pulses at 180 μs or 360 μs depending on configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4 V to 24 V - enables direct connection to automotive battery rails without external regulation |
| Operating Temperature | –40 °C to +150 °C - qualified for under-hood transmission control module environments |
| Differential Magnetic Range | 30–1200 GPP - supports wide air gap variation while maintaining reliable edge detection |
| Output Pulse Width (FWD/REV) | 45 μs / 90 μs typical - encodes direction unambiguously without external decoding logic |
| Vibration Immunity Mode | H-variant - suppresses erroneous direction pulses during large-amplitude vibration via tw(ND) blanking |
| Air Gap Handling | J-suffix - full-range dynamic air gap compensation ensures consistent switching points across mechanical tolerance stack-up |
| Package | 2-pin SIP (UB) - overmolded, lead-free, tin-plated leadframe optimized for high-vibration mounting |
Pinout & Package
ARS19510LUBBTN-RSWPHUJ is housed in a lead-free 2-pin SIP (suffix UB) overmolded package with tin-plated leadframe. The package includes an integrated rare-earth back-biasing pellet and is rated for operation up to 150 °C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | Two-wire supply input - accepts 4–24 V; powers internal regulator, Hall amplifiers, and digital controller |
| 2 | GND | Return path for supply current and output sink - forms low-impedance reference for differential Hall sensing |
Key Features
| Feature | Design Value |
|---|---|
| True zero-speed operation | Outputs valid direction pulses even at standstill - eliminates need for minimum RPM thresholds in parking gear detection |
| Integrated back-biasing magnet | Eliminates external magnet assembly - reduces BOM count and alignment sensitivity in transmission housing |
| EMC-compliant design | Meets harsh automotive transient immunity requirements (ISO 7637-2, ISO 16750-2) without external TVS or filtering |
| Proprietary vibration detection | Calibrates only on true target rotation - prevents false direction pulses during engine shake or driveline resonance |
| Undervoltage lockout | 3.6–3.95 V threshold - prevents erratic output during cold-crank or brown-out conditions |
Applications
| Automotive Transmission Speed Sensing | Industrial Gearmotor Direction Monitoring |
|---|---|
|
Use Scenario: Detecting input shaft speed and direction in automatic transmissions under high vibration and wide air gap variation. IC Role / Device Role / Timing Role: Two-wire differential Hall sensor providing pulse-width-encoded direction and true zero-speed capability. Use Value: Enables precise clutch engagement control and neutral detection without external signal conditioning or magnet repositioning. |
Use Scenario: Monitoring bidirectional rotation of conveyor drive gearmotors in dusty, high-temperature factory environments. IC Role / Device Role / Timing Role: Robust gear-tooth sensor with H-variant vibration immunity and J-suffix air gap handling. Use Value: Eliminates false direction reporting during belt slippage or mechanical resonance, reducing unplanned downtime. |
| Electric Power Steering (EPS) Motor Commutation | Wind Turbine Pitch Control Feedback |
|
Use Scenario: Providing rotor position feedback for brushless EPS motor commutation where space and EMI are critical constraints. IC Role / Device Role / Timing Role: Compact 2-pin SIP sensor delivering synchronized direction pulses with <4.5 μs rise/fall time (UBL variant). Use Value: Reduces PCB footprint and eliminates separate Hall latching ICs while meeting ASIL-B functional safety timing requirements. |
Use Scenario: Measuring blade pitch angle change rate and direction in offshore wind turbine nacelles exposed to salt fog and thermal cycling. IC Role / Device Role / Timing Role: High-reliability gear-tooth sensor with –40 °C to +150 °C rating and integrated EMC protection. Use Value: Maintains accurate pitch actuation feedback without external shielding or recalibration across 20-year service life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar two-wire differential Hall speed and direction sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATS685LSN-T | Single-channel output; no built-in vibration suppression algorithm; requires external capacitor for stability | Lacks H-variant direction-blanking behavior - unsuitable for high-vibration transmission applications | Prefer ARS19510LUBBTN-RSWPHUJ when vibration-induced false pulses must be eliminated without firmware intervention |
| TLV4961-2KU | Three-wire interface; separate VCC, GND, OUT pins; no integrated back-biasing magnet | Requires external magnet and PCB layout changes - incompatible with existing 2-pin SIP footprints | Choose ARS19510LUBBTN-RSWPHUJ for drop-in replacement in legacy 2-pin designs requiring zero-speed and direction integrity |
Compared with ATS685LSN-T and TLV4961-2KU, ARS19510LUBBTN-RSWPHUJ uniquely combines two-wire operation, integrated back-biasing, full-range air gap compensation (J), and programmable vibration immunity (H) - enabling reliable direction sensing in high-dynamic environments without layout or magnet redesign.
Availability
ARS19510LUBBTN-RSWPHUJ is available at Aetrix Electronics and suitable for automotive transmission control, industrial gearmotor monitoring, and electric power steering systems requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant performance.
Supply support for ARS19510LUBBTN-RSWPHUJ 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
Allegro MicroSystems is a U.S.-based semiconductor company specializing in high-performance magnetic sensing and power ICs for automotive and industrial markets.
The ARS19510LUB series was designed specifically for demanding gear-tooth speed and direction sensing in automotive transmissions, where vibration resilience, air gap independence, and true zero-speed operation are mandatory.
FAQ
What is the function of the 'H' suffix in ARS19510LUBBTN-RSWPHUJ?
The 'H' in ARS19510LUBBTN-RSWPHUJ denotes High vibration immunity mode. In this configuration, the ARS19510LUBBTN-RSWPHUJ outputs non-direction pulses (tw(ND)) during vibration events and only resumes forward/reverse pulses after validating sustained rotation. This prevents false direction reporting during engine shake or driveline resonance, unlike the 'L' variant which transmits immediate direction changes.
Does ARS19510LUBBTN-RSWPHUJ require an external magnet?
No, ARS19510LUBBTN-RSWPHUJ does not require an external magnet. It integrates a rare-earth back-biasing pellet within the overmolded 2-pin SIP package. This internal magnet enables operation with ferrous gear targets without additional magnet assembly, simplifying mechanical integration and improving reliability in high-vibration environments.
What is the significance of the 'J' suffix in ARS19510LUBBTN-RSWPHUJ?
The 'J' suffix in ARS19510LUBBTN-RSWPHUJ indicates full-range dynamic air gap handling capability. This means the ARS19510LUBBTN-RSWPHUJ maintains consistent operate/release points across the entire specified air gap variation - critical for automotive applications where thermal expansion and mechanical tolerance stack-up cause air gap drift during operation.
How does ARS19510LUBBTN-RSWPHUJ achieve true zero-speed operation?
ARS19510LUBBTN-RSWPHUJ achieves true zero-speed operation through its differential Hall architecture and synchronous digital controller, which detects magnetic edge transitions regardless of rotational velocity. Even at standstill, it outputs valid direction pulses upon initial target movement - enabling functions like parking gear verification and static clutch positioning without minimum RPM requirements.
What are the key differences between ARS19510LUBBTN-RSWPHUJ and ARS19510LUBBTN-RSWPLUJ?
The key difference lies in the vibration immunity level: ARS19510LUBBTN-RSWPHUJ uses 'H' (High) mode, outputting non-direction pulses during vibration until validated rotation resumes, whereas ARS19510LUBBTN-RSWPLUJ uses 'L' (Low) mode, transmitting immediate direction changes but blanking output during small-amplitude vibration. Both share identical J-suffix air gap handling and R/S/W configuration.
ARS19510LUBBTN-RSWPHUJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Allegro MicroSystems
- Series:
- -
- Package/Case:
- 2-SIP Module
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Hall Effect
- Output Type:
- Digital
- Actuator Material:
- Magnet
- Termination Style:
- -
- Frequency:
- 12 kHz
- Voltage - Supply:
- 4V ~ 24V
- Must Operate:
- -
- Must Release:
- -
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
ARS19510LUBBTN-RSWPHUJ FAQ
1.How can I place an order for ARS19510LUBBTN-RSWPHUJ through Aetrix?
Please submit a Request for Quotation (RFQ) for ARS19510LUBBTN-RSWPHUJ 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 ARS19510LUBBTN-RSWPHUJ reliable?
The price and inventory of ARS19510LUBBTN-RSWPHUJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ARS19510LUBBTN-RSWPHUJ is usually 5 days.
3.What payment methods are accepted for ARS19510LUBBTN-RSWPHUJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ARS19510LUBBTN-RSWPHUJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ARS19510LUBBTN-RSWPHUJ?
ARS19510LUBBTN-RSWPHUJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ARS19510LUBBTN-RSWPHUJ 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 ARS19510LUBBTN-RSWPHUJ?
For technical support, including ARS19510LUBBTN-RSWPHUJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ARS19510LUBBTN-RSWPHUJ requirements.
6.How does Aetrix verify that ARS19510LUBBTN-RSWPHUJ is sourced from the original manufacturer or authorized distributors?
All ARS19510LUBBTN-RSWPHUJ 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 ARS19510LUBBTN-RSWPHUJ meets industry standards.
7.What is the process for return or replacement of ARS19510LUBBTN-RSWPHUJ?
All ARS19510LUBBTN-RSWPHUJ units undergo pre-shipment inspection (PSI). If there is an issue with ARS19510LUBBTN-RSWPHUJ, 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 ARS19510LUBBTN-RSWPHUJ part is unused and in its original packaging.
Return procedure for ARS19510LUBBTN-RSWPHUJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ARS19510LUBBTN-RSWPHUJ Tags
-
HS-3511-02-0300
PIC GmbH
-
ATS19480LSNBTN
Allegro MicroSystems
-
55100-2M-02-A
Littelfuse Inc.
-
55100-3H-02-A
Littelfuse Inc.
-
55100-3M-02-A
Littelfuse Inc.
-
55100-3M-03-A
Littelfuse Inc.
-
55100-3H-04-A
Littelfuse Inc.
-
55140-3H-02-A
Littelfuse Inc.
-
55100-AP-02-A
Littelfuse Inc.
-
GS101201
ZF Electronics
-
55505-00-02-A
Littelfuse Inc.
-
GS100701
ZF Electronics
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