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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR PWM 64TQFN
- Series：-
- Mfr：Microchip Technology
- Package：Tray
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：16
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：20MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：64-VFQFN Exposed Pad
- Supplier Device Package：64-TQFN (9x9)
- Grade：-
- Qualification：-
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Overview
The MSL2166-DU is a high-power LED string driver manufactured by Microchip Technology. It utilizes external current control MOSFETs to sink up to 350mA per string, ensuring matching better than specified limits. The device features 16 outputs and supports linear PWM dimming within a 64-TQFN (9x9) package. It operates with a supply voltage range of 12V and includes integrated protection mechanisms for robust performance in lighting applications.
Feature Summary
- Supports 16 independent output channels for multi-string LED configurations
- Enables precise linear PWM dimming control for display and lighting systems
- Integrates comprehensive fault detection and protection circuitry
Applications
- High-power LED string drivers
- Professional display backlighting systems
- Architectural and general LED lighting fixtures
Procurement Notes
Verify the specific suffix 'DU' against official Microchip documentation to confirm the exact tape-and-reel packaging configuration and temperature rating. Ensure compatibility with external MOSFET selection for the required current sinking capabilities. Cross-reference the datasheet revision date to validate all electrical parameters before integration into final designs.
Selection Notes
Select this component when designing systems requiring high-current sinking capabilities across multiple LED strings. The integrated PWM dimming functionality simplifies control logic compared to discrete solutions. Evaluate thermal management requirements for the TQFN package based on the total power dissipation of the connected loads and ambient operating conditions.
Part Context
This part belongs to the MSL216x series of LED drivers from Microchip Technology. These devices are engineered for high-performance lighting applications where precise current regulation and dimming accuracy are critical. The series typically offers scalable channel counts and advanced diagnostic features suitable for commercial and industrial use cases.
Replacement Considerations
Consult official substitution lists for equivalent parts such as the MSL2166-DUR or other variants within the same family. Verify pinout compatibility and electrical specifications before swapping components to ensure system stability.
