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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 30MA 24TQFN
- Series：-
- Mfr：Microchip Technology
- Package：Tray
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：6
- Voltage - Supply (Min)：4.75V
- Voltage - Supply (Max)：36V
- Voltage - Output：48V
- Current - Output / Channel：30mA
- Frequency：1.1MHz
- Dimming：Analog, PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-WQFN Exposed Pad
- Supplier Device Package：24-TQFN (5x5)
- Grade：-
- Qualification：-
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Overview
The MSL1064-TC is a six-string PWM LED driver IC from Microchip Technology, designed for backlight applications. It integrates a step-up (boost) regulator capable of driving up to six outputs with analog PWM dimming. The device supports a supply voltage range of 4.75V to 36V and delivers up to 30mA per channel. Key electrical specifications include a switching frequency of 1.1MHz, a maximum output voltage of 48V, and current balance accuracy of ±1.5%. It features digital compensation and an I2C interface for configuration.
Feature Summary
- Integrates a step-up boost regulator with up to six independent LED channels
- Supports analog PWM dimming for precise brightness control
- Includes digital compensation and I2C interface for system management
- Provides high current balance accuracy across all output strings
Applications
- LED backlight drivers for displays
- Automotive lighting systems requiring regulated current sources
- General-purpose multi-string LED illumination
Procurement Notes
Verify the specific suffix '-TC' against the official Microchip datasheet to confirm temperature grade and tape-and-reel packaging details. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the manufacturer's latest documentation to confirm availability and any potential obsolescence notices before finalizing procurement plans.
Selection Notes
Select this component when a compact solution for driving multiple LED strings from a single power rail is required. The integrated boost regulator simplifies design by eliminating external inductors for lower voltage inputs. Consider the 24-pin WQFN package constraints for thermal management and ensure the I2C address conflicts are resolved within the system architecture.
Part Context
The MSL1064 belongs to Microchip's family of LED lighting driver ICs. It is distinct from general-purpose microcontrollers or other power management devices. The device is specifically engineered for high-efficiency LED driving, combining regulation and dimming capabilities in a single integrated circuit to reduce board space and component count.
Replacement Considerations
Consult Microchip's official cross-reference tools for direct pin-compatible substitutes. Verify that any alternative device maintains the same 6-channel architecture, I2C interface, and boost regulator specifications to ensure functional equivalence without redesigning the surrounding circuitry.
