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Product Detailed Parameters
- Description：IC LED DRIVER OFFL PWM 40TQFN
- Series：-
- Mfr：Microchip Technology
- Package：Tray
- Type：AC DC Offline Switcher
- Topology：Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：16
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：20MHz
- Dimming：PWM
- Applications：Backlight, Signage
- Operating Temperature：-40°C ~ 85°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 MSL3162BT is a 16-channel LED lighting driver IC manufactured by Microchip Technology. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range from -40°C to +85°C. The device is housed in a 40-pin TQFN package (6x6 mm). It provides 16 independent outputs for driving RGB and white LEDs, featuring I2C/SMBus interface communication for control.
Feature Summary
- Provides 16 independent constant current outputs for precise LED channel control
- Supports I2C/SMBus serial interface for simplified MCU connectivity
- Enables individual PWM dimming for each output channel
- Integrated power management suitable for multi-string LED applications
Applications
- RGB and white LED string drivers
- LED display systems
- Decorative lighting controls
- Instrument panel indicators
Procurement Notes
Verify component authenticity through authorized Microchip distributors or certified partners. Confirm the specific suffix 'BT' indicates the tape and reel packaging variant. Check for end-of-life status as some listings indicate discontinuation. Ensure compatibility with your system's I2C voltage levels and thermal requirements before finalizing procurement.
Selection Notes
Select this component when designing systems requiring independent control of up to 16 LED channels via a standard two-wire interface. It is suitable for applications needing precise brightness adjustment without complex external circuitry. Consider the TQFN-40 package constraints for PCB layout and thermal dissipation. Verify that the 5V nominal supply aligns with your system power architecture.
Part Context
The MSL3162BT belongs to Microchip's family of LED lighting driver integrated circuits. These devices are designed to simplify the control of complex LED arrays by integrating multiple driver channels into a single compact package. The series typically targets applications requiring high channel counts and flexible dimming capabilities.
Replacement Considerations
Check Microchip's official documentation for direct pin-to-pin replacements or updated series members. Verify if newer revisions offer improved efficiency or additional features while maintaining electrical compatibility.
