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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR PWM 40TQFN
- Series：Adaptive SourcePower™
- Mfr：Atmel
- Package：Bulk
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：8
- Voltage - Supply (Min)：10.8V
- Voltage - Supply (Max)：13.2V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：20MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：40-WFQFN Exposed Pad
- Supplier Device Package：40-TQFN (6x6)
- Grade：Automotive
- Qualification：-
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Overview
The MSL3085BT is an LED driver IC from Atmel, packaged in a 40-TQFN (6x6) format. It functions as an 8-output linear PWM dimming controller designed for high-power LED applications. The device utilizes external MOSFETs to sink up to 350mA per string, ensuring precise current accuracy across eight independent LED strings. It supports both white and RGB LED configurations with adaptive power management capabilities.
Feature Summary
- Supports eight independent LED string outputs with linear PWM dimming control
- Utilizes external MOSFETs for high-current sinking capability
- Includes adaptive power management for optimized efficiency
- Compatible with white and RGB LED lighting configurations
Applications
- High-power LED lighting systems
- RGB LED color mixing applications
- White LED array drivers
- Adaptive power LED modules
Procurement Notes
Verify the manufacturer part number MSL3085BT against official Atmel or Microchip Technology documentation to confirm authenticity. Ensure the package type matches the specified 40-TQFN (6x6) footprint. Cross-reference datasheet specifications for current sinking limits and operating temperature ranges before integration into design schematics.
Selection Notes
Select this component when designing circuits requiring independent control of eight LED strings with high current capacity. It is suitable for applications needing precise linear PWM dimming and adaptive power regulation. Consider the external MOSFET requirement for current handling and ensure thermal management aligns with the TQFN package constraints.
Part Context
The MSL3085BT belongs to Atmel's family of PMIC LED drivers. It is specifically engineered for compact, high-power LED string controllers. The device integrates control logic while relying on external components for power stage implementation, offering flexibility in system design for various lighting architectures.
Replacement Considerations
Consult official substitution lists for equivalent 8-string LED drivers. Verify pin compatibility and electrical specifications before replacing with alternative part numbers.
