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AH9280Z4-G1
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Product Detailed Parameters
- Description：IC MOTOR DRIVER 2.5V-16V TO94
- Series：-
- Mfr：Diodes Incorporated
- Package：Bulk
- 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：CMOS, Power MOSFET
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：600mA
- Voltage - Supply：2.5V ~ 16V
- Voltage - Load：2.5V ~ 16V
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：4-SSIP
- Supplier Device Package：TO-94
- Grade：-
- Qualification：-
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Overview
The AH9280Z4-G1 is a two-phase dual-coil high voltage smart fan motor driver manufactured by Diodes Incorporated. Designed for driving brushless DC fans, it operates within a supply voltage range of 2.5V to 16V and supports a maximum output current of 1200mA per phase. The device features a low power dissipation rating of 600mW and is housed in a TO-94 package with four pins. It integrates protection mechanisms suitable for automotive and industrial cooling applications.
Feature Summary
- Integrates two-phase drive capability for dual-coil brushless DC motors
- Operates as a smart driver with integrated control logic
- Supports high voltage operation up to 16V for robust performance
Applications
- Brushless DC fan motor control in automotive systems
- Industrial cooling equipment drive circuits
- HVAC system fan drivers
Procurement Notes
Verify the specific datasheet version for the AH9280Z4-G1 to confirm pinout compatibility and thermal characteristics. Ensure the application design accounts for the 600mW power dissipation limit. Confirm that the 2.5V to 16V operating range aligns with the target system voltage. Check for any recent product change notices regarding the TO-94 package or internal circuitry revisions from Diodes Incorporated.
Selection Notes
Select this component when a dedicated two-phase driver for small brushless fans is required. It is suitable for designs needing integrated switching without external MOSFETs. Consider the TO-94 package constraints for thermal management. Verify that the 1200mA current rating meets the motor's peak requirements. Compare against single-phase alternatives if only one coil needs driving.
Part Context
This part belongs to the AH9280 series of smart motor drivers from Diodes Incorporated. It is specifically engineered for cooling applications requiring reliable two-phase commutation. The series typically includes variants optimized for different voltage levels and package types. It serves as a compact solution for replacing discrete driver components in fan assemblies.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing PCB layouts if considering alternative two-phase drivers.
