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Diodes Incorporated AH292-YL-13
- Part No.:
- AH292-YL-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Motor Drivers, Controllers
- Package:
- SOT-89-5/6
- Datasheet:
-
AH292-YL-13.pdf
- Description:
- IC MOTOR DRVR 1.8V-5.75V SOT89-5
- Quantity:
- Payment:
- Shipping:
Inventory:4,990
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Product details
Overview
AH292-YL-13 from Anachip Corp. is a low-voltage Hall-effect smart fan motor controller IC integrating on-chip Hall sensor, dual complementary open-collector output drivers (DO/DOB), FG speed feedback output, rotor-lock shutdown with automatic restart, and built-in Zener protection. It operates from 1.8 V to 5.75 V, delivers 400 mA average output current, and supports SIP-5L, SOT23-5L, and SOT89-5L packages. Used in DC brushless cooling fans for PC, server, and industrial enclosures.
For engineers reviewing the AH292-YL-13 datasheet, AH292-YL-13 pinout, AH292-YL-13 application, or AH292-YL-13 equivalent, key selection criteria include magnetic operate/release points (Bop = 30–60 G, Brp = −60 to −30 G), locked-rotor timing (Tlrp-on ≤ 0.4 s, Tlrp-off = 2.4–3.6 s), FG output compatibility, and package-specific thermal limits (e.g., PD = 800 mW for SOT89-5L at 25°C).
Technical Context
The AH292-YL-13 implements a monolithic Hall-sensor-based commutation control architecture for 2-phase brushless DC fans. Its internal regulator supplies bias to the Hall plate and logic, while lock-detection circuitry monitors back-EMF absence to trigger periodic shutdown/restart cycles during rotor stall.
Complementary DO and DOB outputs drive external fan coils in push-pull configuration; FG output provides TTL-compatible frequency-proportional tachometer signal. The built-in Zener clamp (Vz = 15 V) protects outputs against inductive kickback, and magnetic hysteresis (Bhy = 60 G typical) ensures stable switching under vibration or field noise.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 5.75 V - Enables direct interface with 3.3 V and 5 V logic rails; operation initiates at 1.8 V but magnetic performance stabilizes ≥2.0 V. |
| Output Current (AVE) | 400 mA - Sufficient to drive typical 12 V, 0.3 A–0.4 A brushless fan coils without external buffering. |
| Operate Point (Bop) | 30–60 Gauss - Defines minimum magnetic field strength required to activate Hall switch; calibrated for standard fan magnet geometries. |
| Release Point (Brp) | −60 to −30 Gauss - Magnetic threshold at which Hall output releases; hysteresis prevents chatter near transition. |
| Locked-Rotor On Delay | ≤0.4 s - Time before shutdown triggers after loss of rotation detection; minimizes coil overheating risk. |
| FG Output Logic | Open-collector, Vds(vol) ≤ 0.5 V @ 10 mA - Compatible with standard microcontroller input pins for RPM monitoring. |
| Zener Breakdown Voltage | 15 V - Clamps inductive flyback transients from motor windings, eliminating need for external TVS diodes. |
Pinout & Package
Available in three lead-free surface-mount packages: SIP-5L (4.2 mm × 3.65 mm), SOT23-5L (2.9 mm × 1.6 mm), and SOT89-5L (4.5 mm × 4.15 mm). All share identical pin function mapping.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - FG | Frequency Generator Output | Open-collector tachometer signal; pulses per revolution proportional to fan speed; requires external pull-up. |
| 2 - Vdd | Positive Supply Input | Accepts 1.8–5.75 V; powers internal regulator, Hall sensor, and driver stages; decoupling capacitor recommended. |
| 3 - DO | Driver Output A | Complementary open-collector output driving one side of fan coil; sinks current when active. |
| 4 - DOB | Driver Output B | Complementary open-collector output driving opposite coil side; phase-shifted relative to DO for commutation. |
| 5 - GND | Ground Reference | Common return path for supply, Hall sensor, and both outputs; must be low-impedance for stable commutation. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Hall Sensor | Eliminates need for external magnetic sensing components; reduces BOM count and PCB footprint in fan modules. |
| Rotor-Lock Protection | Detects stalled condition within ≤0.4 s and disables outputs; prevents coil burnout during obstruction or startup failure. |
| Automatic Restart Cycle | Re-enables drive every 2.4–3.6 s during lock condition; enables self-recovery without system-level intervention. |
| FG Speed Feedback | Provides real-time RPM data via programmable pulse train; supports closed-loop fan control in thermal management systems. |
| On-Chip Zener Clamp | 15 V breakdown voltage protects DO/DOB outputs from inductive voltage spikes; removes requirement for discrete clamping diodes. |
Applications
| Server CPU Cooling Fan | Industrial PLC Enclosure Fan |
|---|---|
Use Scenario: Forced-air cooling of high-power x86 processors in 1U/2U rack servers requiring precise thermal regulation and fault reporting. IC Role / Device Role / Timing Role: Hall-based commutation controller and tachometer signal generator for 2-wire or 3-wire brushless fans. Use Value: Rotor-lock detection prevents thermal runaway during dust clogging; FG output feeds BMC for dynamic speed adjustment and failure logging. |
Use Scenario: Continuous-duty airflow management inside sealed industrial programmable logic controller cabinets exposed to ambient temperatures up to 70°C. IC Role / Device Role / Timing Role: Motor driver with integrated magnetic sensing and stall recovery for maintenance-free fan operation. Use Value: Automatic restart avoids manual reset after transient jams; wide 1.8–5.75 V supply range accommodates aging or fluctuating 5 V rails. |
| Network Switch Chassis Fan | Medical Imaging Power Supply Fan |
Use Scenario: Redundant cooling in multi-port Ethernet switches where fan failure must trigger immediate alarm without interrupting data traffic. IC Role / Device Role / Timing Role: Smart fan controller providing FG feedback and lock-detection status to switch ASIC or management MCU. Use Value: Open-collector FG and DO/DOB outputs interface directly with 3.3 V logic; low 2.6 mA typical supply current reduces standby power draw. |
Use Scenario: Temperature-controlled airflow over high-efficiency AC/DC converters in MRI or CT power subsystems requiring EMI-safe, reliable operation. IC Role / Device Role / Timing Role: Brushless motor driver with built-in Zener protection and magnetic hysteresis for noise immunity in noisy power environments. Use Value: 60 G hysteresis prevents false commutation from EMI; 15 V Zener withstands >100 V inductive transients common in medical-grade magnetics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Hall-effect fan motor controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ALLEGRO A3921KLPTR-T | Higher Vdd max (28 V), higher IO(PEAK) = 1.5 A, but no integrated Hall sensor - requires external latch or bipolar device. | Targeted at higher-power (>10 W) fans; lacks auto-restart and FG output; needs external sensing and logic. | Select when driving larger fans with external Hall latches and discrete protection; not drop-in for AH292's integrated functionality. |
| ON Semiconductor NCP1031DR2G | Single-output (not complementary), no FG output, no lock-detection; designed for simpler unidirectional fans. | Used in cost-sensitive, non-critical cooling where stall protection and speed feedback are omitted. | Choose only for basic 1-coil fans without speed monitoring or safety-critical lock recovery. |
Compared with A3921KLPTR-T and NCP1031DR2G, AH292-YL-13 uniquely integrates Hall sensing, dual complementary outputs, FG tach signal, and autonomous lock-recovery - enabling compact, self-protecting fan modules without external logic or protection components.
Availability
AH292-YL-13 is available at Aetrix Electronics and suitable for server CPU cooling fans, industrial PLC enclosure fans, and network switch chassis fans requiring stable component supply, long-lifecycle support, and consistent parametric performance across SIP-5L, SOT23-5L, and SOT89-5L variants.
Supply support for AH292-YL-13 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
Anachip Corp. is a Taiwan-based fabless semiconductor company specializing in analog and mixed-signal ICs for power management, motor control, and sensor interface applications since 2000.
AH292-YL-13 belongs to Anachip's Smart Fan Controller product line, designed specifically for cost-effective, high-reliability brushless DC fan solutions in computing, industrial, and medical thermal management systems.
FAQ
What is the minimum operating voltage for reliable Hall sensor operation?
The AH292-YL-13 begins functional operation at 1.8 V, but magnetic characteristics (Bop/Brp) stabilize only above 2.0 V. Below 2.0 V, commutation may become erratic or fail to initiate; design margin should maintain Vdd ≥2.1 V for robust Hall response across temperature and process variation.
Can AH292-YL-13 drive a 12 V fan from a 3.3 V supply?
No. While the IC itself operates from 3.3 V, its DO and DOB outputs are open-collector drivers referenced to Vdd - meaning maximum coil voltage equals Vdd. To drive a 12 V fan, Vdd must be 12 V (within absolute max 8 V rating); therefore, external level-shifting or a dedicated 12 V rail is required.
How does the rotor-lock detection behave during startup?
Lock detection activates only after initial rotation is confirmed. During first power-up, the IC attempts to start the motor; if no back-EMF is sensed within ≤0.4 s post-start attempt, it shuts down DO/DOB. Recovery cycles begin after Tlrp-off (2.4–3.6 s), repeating until rotation resumes - preventing false lock triggers during slow mechanical startup.
Is FG output compatible with 1.8 V microcontrollers?
Yes. FG is open-collector with Vds(vol) ≤0.5 V at 10 mA, allowing use with 1.8 V I/O domains when pulled up to 1.8 V. Ensure external pull-up resistor value (typically 4.7 kΩ–10 kΩ) maintains sufficient rise time for target RPM range and MCU input threshold.
AH292-YL-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-89-5/6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- Brushless DC (BLDC)
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Low Side (2)
- Interface:
- On/Off
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- Fan Motor Driver
- Current - Output:
- 400mA
- Voltage - Supply:
- 1.8V ~ 5.75V
- Voltage - Load:
- 1.8V ~ 5.75V
- Operating Temperature:
- -20°C ~ 100°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89-5
AH292-YL-13 FAQ
1.How can I place an order for AH292-YL-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for AH292-YL-13 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 AH292-YL-13 reliable?
The price and inventory of AH292-YL-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AH292-YL-13 is usually 5 days.
3.What payment methods are accepted for AH292-YL-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AH292-YL-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AH292-YL-13?
AH292-YL-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AH292-YL-13 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 AH292-YL-13?
For technical support, including AH292-YL-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AH292-YL-13 requirements.
6.How does Aetrix verify that AH292-YL-13 is sourced from the original manufacturer or authorized distributors?
All AH292-YL-13 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 AH292-YL-13 meets industry standards.
7.What is the process for return or replacement of AH292-YL-13?
All AH292-YL-13 units undergo pre-shipment inspection (PSI). If there is an issue with AH292-YL-13, 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 AH292-YL-13 part is unused and in its original packaging.
Return procedure for AH292-YL-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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