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Product Detailed Parameters
- Description：IC LED DRIVER RGLTR PWM 3A 16QFN
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Type：DC DC Regulator
- Topology：Step-Down (Buck)
- Internal Switch(s)：-
- Number of Outputs：1
- Voltage - Supply (Min)：9V
- Voltage - Supply (Max)：46V
- Voltage - Output：-
- Current - Output / Channel：3A
- Frequency：2MHz
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WQFN Exposed Pad
- Supplier Device Package：16-QFN (4x4)
- Grade：-
- Qualification：-
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Overview
The A6210GEUTR-T is a buck-regulating LED driver IC from Allegro MicroSystems. It supports switching frequencies up to 2.0 MHz with user-configurable on-time. The device operates within a wide input voltage range of 9 V to 46 V and delivers an output current of up to 3.0 A. It features a low 0.18 V sense voltage for improved efficiency and requires minimal external components, eliminating the need for an output capacitor. Standby current is less than 100 μA. The component is housed in a thermally enhanced 4 mm QFN package.
Feature Summary
- Supports brightness control through PWM dimming applied to the DIS pin
- Utilizes valley current-mode control for stable buck regulation
- Includes thermal shutdown protection for operational safety
Applications
- High-brightness LED lighting systems
- Automotive exterior lighting applications
- General purpose constant current LED drivers
Procurement Notes
Verify the specific suffix GEUTR-T against official datasheets to confirm package type and tape-and-reel specifications. Ensure compatibility with required switching frequency configurations and input voltage ranges before integration. Cross-reference manufacturer documentation for moisture sensitivity levels and recommended soldering profiles to maintain component integrity during assembly processes.
Selection Notes
Select this component when designing high-efficiency buck converters requiring up to 3 A output current. It is suitable for applications needing wide input voltage tolerance and high-frequency operation up to 2 MHz. Consider the thermally enhanced QFN package for heat dissipation requirements. Verify that the design does not require an output capacitor, leveraging the device's internal regulation capabilities.
Part Context
The A6210 belongs to a family of buck-regulating LED drivers designed for high-current applications. It distinguishes itself by allowing user-configurable on-time to set switching frequencies. The device integrates essential protections and minimizes external component count, facilitating compact PCB layouts for automotive and industrial lighting solutions.
Replacement Considerations
Consult official substitution lists for equivalent Allegro MicroSystems buck regulators. Verify pinout compatibility and electrical parameters such as maximum current and input voltage range before replacing.
