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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR PWM 32SOP
- Series：Adaptive SourcePower™
- Mfr：Microchip Technology
- Package：Tube
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：10.8V
- Voltage - Supply (Max)：13.2V
- Voltage - Output：9.6V
- Current - Output / Channel：-
- Frequency：-
- Dimming：PWM
- Applications：Lighting
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：32-SOP
- Grade：-
- Qualification：-
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Overview
The MSL2041GU is a linear LED driver IC designed for low-cost, simple four-string LED applications. It integrates external current sink MOSFETs to manage LED strings with a 5000:1 dimming range and per-string PWM input. The device operates within an input voltage range of 10.8 V to 13.2 V and features four independent channels. It is housed in a 32-SOP package and supports operating temperatures from -40°C to +85°C.
Feature Summary
- Supports four independent LED strings with external current sink MOSFETs
- Enables high-contrast dimming with a 5000:1 ratio
- Provides individual pulse-width modulation (PWM) control for each string
Applications
- Low-cost display backlighting systems
- Simple multi-string LED lighting arrays
- Compact electronic devices requiring efficient LED management
Procurement Notes
Verify the specific suffix and package variant against the official Microchip datasheet before procurement. Confirm that the required external MOSFETs are sourced separately as they are not integrated into the IC. Ensure the design accommodates the specified input voltage window and thermal dissipation requirements for the SOP package.
Selection Notes
Select this component when a cost-effective solution for driving multiple LED strings is required without complex switching regulators. It is suitable for designs where linear regulation efficiency is acceptable and precise per-channel PWM dimming is necessary. Verify compatibility with available external MOSFETs for the current sink configuration.
Part Context
This part belongs to Microchip's family of linear LED drivers. It is specifically engineered for applications requiring straightforward control of multiple LED loads. The integration of dimming capabilities reduces the need for additional discrete components, simplifying the overall circuit design compared to standard constant current sources.
Replacement Considerations
Consult official Microchip documentation for qualified substitute part numbers. Ensure any replacement maintains the four-channel architecture and compatible pinout. Verify that alternative drivers support the same 5000:1 dimming range and operate within the 10.8 V to 13.2 V input voltage specification.
