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Allegro MicroSystems APS13568ELJATR
- Part No.:
- APS13568ELJATR
- Manufacturer:
- Allegro MicroSystems
- Category:
- LED Drivers
- Package:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Datasheet:
-
APS13568ELJATR.pdf
- Description:
- IC LED DRVR LIN PWM 150MA 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,855
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Product details
Overview
APS13568ELJATR from Allegro MicroSystems is an integrated LED driver with micropower omnipolar Hall-effect switch, designed for contactless LED control in automotive and industrial lighting. It delivers up to 150 mA regulated current, operates from 7–24 V supply, consumes only 25 µA typical quiescent current when LED is off, and features thermal shutdown at 170°C. It is used in glove box illumination, vanity mirrors, and task lighting where magnetic actuation replaces mechanical switches.
For engineers reviewing the APS13568ELJATR datasheet, APS13568ELJATR pinout, APS13568ELJATR application, or APS13568ELJATR equivalent, key selection considerations include its 8-pin SOICN package with exposed thermal pad, programmable current via IREF resistor, selectable SO polarity via POL pin, fade timing control via external capacitor, and built-in short-circuit and thermal protection without external components.
Technical Context
The APS13568ELJATR integrates a chopper-stabilized omnipolar Hall sensor with a linear current regulator, enabling reliable magnetic switching across temperature (±40°C to +85°C) with low drift. Its Hall output (SO) is open-drain and polarity-selectable via POL, while EN provides active-low LED enable independent of magnetic state.
Current regulation is set by a 1.2 V internal reference applied to IREF, yielding ILA = (1.2 V × 75) / RIREF - supporting precise 150 mA drive with 600 Ω resistor. Protection includes short-to-ground detection at LA (1.2–1.8 V threshold), thermal current derating starting at 130°C, and full shutdown at 170°C with 15°C hysteresis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| LED Drive Current | Up to 150 mA sourcing capability - sufficient for high-brightness single-string LEDs without external pass devices. |
| Quiescent Current | 25 µA typical - enables battery-powered applications with multi-year standby life. |
| Hall Operate Point | ±40–70 G - supports reliable activation with common neodymium magnets at air gaps up to 3 mm. |
| Supply Range | 7–24 V - compatible with 12 V automotive systems and industrial 24 V rails, including load dump transients up to 40 V. |
| Thermal Shutdown | 170°C with 15°C hysteresis - prevents permanent damage during sustained overload or poor heatsinking. |
| Dropout Voltage | 2.4 V max at 150 mA - ensures stable operation even with low VIN (e.g., 7 V cranking voltage). |
| Output Slew Time | 10 µs typical - enables fast PWM dimming up to 1 kHz without current settling issues. |
Pinout & Package
Package: 8-pin SOICN (suffix LJ) with exposed thermal pad - RoHS-compliant, matte-tin leadframe, optimized for surface-mount assembly and thermal dissipation on PCBs with ≥2 oz copper.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Power input | Supplies both Hall sensor and current regulator; accepts 7–24 V with internal 45 V Zener clamp for load dump immunity. |
| EN | Active-low enable | Directly controls LED driver state; can be tied to SO for magnet-triggered on/off or driven by MCU/PWM. |
| SO | Open-drain Hall output | Sinks up to 60 mA; polarity selected by POL pin; requires external pull-up for logic-level interfacing. |
| LA | LED anode output | Current-source output driving LED string anode; includes short-to-ground detection and thermal foldback. |
| FADE | Fade timing control | External capacitor sets 10–90% rise/fall time (tFADE ≈ CFADE × 0.8 s); floating disables fade. |
| IREF | Current reference node | Connects to ground via RIREF to set LED current per ILA = (1.2 V × 75) / RIREF. |
| POL | Polarity select | Tie to GND or float to choose whether SO goes HIGH or LOW when magnet is present. |
| GND | Ground reference | Common return for all circuitry; must be low-impedance connection to minimize noise and thermal resistance. |
| PAD | Thermal pad | Exposed copper pad for heat transfer; recommended to connect to GND plane for optimal RθJA (35°C/W with high-K board). |
Key Features
| Feature | Design Value |
|---|---|
| Omnipolar Hall switch | Responds to either north or south magnetic pole - eliminates magnet orientation constraints in mechanical assemblies. |
| Integrated short-circuit protection | Detects LA-to-GND shorts at 1.2–1.8 V and limits current to 1 mA until fault clears - no external fuses or sense resistors needed. |
| Programmable fade timing | Adjustable turn-on/turn-off via CFADE capacitor - enables smooth visual transitions without MCU firmware overhead. |
| Automotive-grade thermal management | Current derating begins at 130°C (−3.25%/°C), drops to 25% at 150°C, and shuts down at 170°C - protects LEDs and IC under sustained overtemperature. |
| Reverse-battery & load-dump tolerance | Withstands −18 V reverse polarity and 40 V load dump transients without external TVS or diodes - reduces BOM count in automotive designs. |
Applications
| Automotive Glove Box Lighting | Automotive Vanity Mirror Illumination |
|---|---|
Use Scenario: Magnetic reed switch replacement in vehicle interior compartments where door-open detection triggers LED illumination. IC Role / Device Role / Timing Role: APS13568ELJATR acts as Hall-activated constant-current LED driver, eliminating mechanical wear and bounce. Use Value: Enables maintenance-free, sealed enclosure design with 150 mA drive for bright white LEDs and <25 µA standby draw extending battery life. |
Use Scenario: Compact mirror-mounted lighting activated by lid-open motion using embedded magnet and Hall sensor. IC Role / Device Role / Timing Role: APS13568ELJATR integrates sensing and drive in one 8-pin SOICN, reducing footprint vs. discrete Hall + MOSFET solution. Use Value: Omnipolar operation tolerates magnet misalignment; fade control softens light transition; thermal protection prevents overheating in confined space. |
| Industrial Task Lighting | Consumer Electronics Status Indication |
Use Scenario: Workbench or equipment-mounted LED lamp controlled by proximity magnet for hands-free on/off. IC Role / Device Role / Timing Role: APS13568ELJATR serves as self-contained magnetic switch + current regulator, accepting 24 V industrial supply. Use Value: 7–24 V wide input range accommodates variable power sources; short-circuit protection safeguards against wiring faults during installation. |
Use Scenario: Low-power status indicator in portable devices where magnet-triggered feedback improves UX without button presses. IC Role / Device Role / Timing Role: APS13568ELJATR functions as ultra-low-quiescent LED controller, enabled only during user interaction. Use Value: 25 µA off-state current minimizes battery drain; SO output provides secondary logic signal for system wake-up or event logging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED driver with Hall-effect switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| APS13568KLJATR-T | Identical functionality but qualified for −40°C to +125°C per AEC-Q100; same pinout and electrical specs. | Required for under-hood or engine bay automotive applications; not rated for extended temperature range. | Select APS13568ELJATR for industrial/consumer use up to 85°C; choose KLJATR-T for full automotive qualification. |
| TLE4913-2SA | Separate Hall switch IC (open-drain) + external LED driver required; no integrated current regulation or fade control. | Lacks single-chip integration - needs additional MOSFET, current-sense, and protection components. | Use only if legacy design mandates Infineon ecosystem or requires higher Hall sensitivity (±15 G operate point). |
Compared with APS13568KLJATR-T, APS13568ELJATR offers identical performance at lower cost for non-automotive environments; compared with TLE4913-2SA, it reduces component count by 4+ parts and eliminates layout-sensitive current-setting resistors and thermal compensation networks.
Availability
APS13568ELJATR is available at Aetrix Electronics and suitable for automotive interior lighting, industrial task lighting, and consumer electronics status indication requiring stable component supply and long-term lifecycle support.
Supply support for APS13568ELJATR 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 APS13568 product line was developed to replace electromechanical switches in lighting control, combining Hall sensing and LED drive in a single AEC-Q100-capable package for reliability-critical applications.
FAQ
What is the operating temperature range for APS13568ELJATR?
The APS13568ELJATR is rated for ambient temperatures from −40°C to +85°C. This "E" grade version is intended for industrial and consumer applications, unlike the "K" grade (−40°C to +125°C) qualified per AEC-Q100 for automotive under-hood use. Thermal protection activates at 130°C junction temperature and shuts down at 170°C.
How do I set the LED current for APS13568ELJATR?
The LED current for APS13568ELJATR is set by connecting a resistor (RIREF) between the IREF pin and GND. Using the formula ILA = (1.2 V × 75) / RIREF, a 600 Ω resistor yields 150 mA. For 75 mA, use 1.2 kΩ. The reference voltage is trimmed to 1.2 V ±5%, and current accuracy is ±5% across 600 Ω to 4.5 kΩ resistor values.
Can APS13568ELJATR drive multiple LEDs in series?
No - APS13568ELJATR is a single-channel current source with LA as the anode output; it drives one LED or a series string only if the total forward voltage remains below VIN minus dropout (≤2.4 V). For example, at VIN = 12 V, maximum LED string VF is ~9.6 V. It does not support multi-channel or parallel LED configurations.
Does APS13568ELJATR require external protection components for automotive use?
No - APS13568ELJATR integrates reverse-battery protection (−18 V tolerant), 40 V load dump compliance, short-to-ground detection, and thermal shutdown. These features eliminate the need for external TVS diodes, reverse-polarity MOSFETs, or current-limiting resistors in standard 12 V automotive lighting modules.
What happens when a short occurs at the LA pin of APS13568ELJATR?
When LA is shorted to GND, APS13568ELJATR detects voltage below 1.2–1.8 V and disables the current source, limiting output to ~1 mA for fault monitoring. The device remains powered and resumes full 150 mA drive automatically once the short is removed and LA voltage rises above the release threshold (1.2 V + 350 mV hysteresis).
APS13568ELJATR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Allegro MicroSystems
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Type:
- Linear
- Topology:
- -
- Internal Switch(s):
- Yes
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 7V
- Voltage - Supply (Max):
- 24V
- Voltage - Output:
- -
- Current - Output / Channel:
- 150mA
- Frequency:
- -
- Dimming:
- PWM
- Applications:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC-EP
APS13568ELJATR FAQ
1.How can I place an order for APS13568ELJATR through Aetrix?
Please submit a Request for Quotation (RFQ) for APS13568ELJATR 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 APS13568ELJATR reliable?
The price and inventory of APS13568ELJATR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for APS13568ELJATR is usually 5 days.
3.What payment methods are accepted for APS13568ELJATR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for APS13568ELJATR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for APS13568ELJATR?
APS13568ELJATR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your APS13568ELJATR 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 APS13568ELJATR?
For technical support, including APS13568ELJATR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your APS13568ELJATR requirements.
6.How does Aetrix verify that APS13568ELJATR is sourced from the original manufacturer or authorized distributors?
All APS13568ELJATR 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 APS13568ELJATR meets industry standards.
7.What is the process for return or replacement of APS13568ELJATR?
All APS13568ELJATR units undergo pre-shipment inspection (PSI). If there is an issue with APS13568ELJATR, 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 APS13568ELJATR part is unused and in its original packaging.
Return procedure for APS13568ELJATR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
APS13568ELJATR Tags
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BCR402RE6327HTSA1
Infineon Technologies
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BCR430UXTSA2
Infineon Technologies
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BCR420UE6433HTMA1
Infineon Technologies
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BCR420UE6327HTSA1
Infineon Technologies
-
BCR421UE6327HTSA1
Infineon Technologies
-
LYT1604D-TL
Power Integrations
-
HV9910CLG-G
Microchip Technology
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CL2N8-G
Microchip Technology
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BCR420UW6-7
Diodes Incorporated
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BCR421UW6-7
Diodes Incorporated
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BCR420UFD-7
Diodes Incorporated
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BCR421UFD-7
Diodes Incorporated
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