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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 40TQFN
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：8
- Voltage - Supply (Min)：10.8V
- Voltage - Supply (Max)：13.2V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：PWM
- Applications：Backlight, Lighting
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：40-WFQFN Exposed Pad
- Supplier Device Package：40-TQFN (6x6)
- Grade：-
- Qualification：-
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Overview
The ATMSL3085BT is a PWM LED driver controller manufactured by Microchip Technology. It is designed for backlight and lighting applications, featuring a surface-mount mounting type. The component operates within a 40-pin TQFN package with an exposed pad, facilitating efficient thermal management and compact PCB integration for high-density electronic designs.
Feature Summary
- Integrated PWM control functionality for precise LED brightness regulation
- Optimized for low-noise performance in sensitive backlighting circuits
- Designed for surface-mount assembly to support automated manufacturing processes
Applications
- LCD backlight drivers
- General lighting systems
- Portable electronic device illumination
Procurement Notes
Verify the manufacturer marking matches Microchip Technology specifications. Confirm the package type is 40TQFN with an exposed pad. Ensure RoHS compliance status aligns with project requirements. Request original datasheets to validate electrical parameters against application needs before finalizing procurement decisions.
Selection Notes
Select this component when designing LED backlight solutions requiring integrated PWM control. Consider its 40-pin TQFN footprint for space-constrained layouts. Evaluate thermal dissipation capabilities due to the exposed pad design. Ensure compatibility with existing power management architectures for seamless integration into lighting control systems.
Part Context
This part belongs to Microchip's Power Management IC (PMIC) portfolio, specifically within the LED driver controller category. It complements other SL series components like the ATMSL3162BT and ATMSL3163BT, offering specialized control features for modern display and lighting applications requiring efficient power handling and signal integrity.
Replacement Considerations
Cross-reference with ATMSL3162BT or ATMSL3163BT for similar PMIC LED driver functions. Verify pinout compatibility and electrical parameter overlaps before substitution. Consult official Microchip documentation to confirm functional equivalence and ensure no design modifications are required during replacement.
