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Product Detailed Parameters
- Description：IC LED DRVR CTRLR PWM 16ETSSOP
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tube
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：8
- Voltage - Supply (Min)：4.75V
- Voltage - Supply (Max)：40V
- Voltage - Output：-
- Current - Output / Channel：200mA
- Frequency：1MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-eTSSOP
- Grade：-
- Qualification：-
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Overview
The IS31BL3555-ZLS4 is an LED lighting driver IC manufactured by Lumissil Microsystems. It features a PWM control architecture housed in a 16-TSSOP package. The device supports multiple output channels for driving LED arrays with high precision. Designed for robust performance, it operates within a specified voltage range and includes integrated protection mechanisms to ensure reliable operation in various lighting applications.
Feature Summary
- Integrates PWM control logic for precise LED brightness regulation
- Supports multi-channel output configuration for complex LED matrices
- Includes built-in protection features for enhanced system reliability
Applications
- General LED illumination systems
- Automotive interior lighting modules
- Industrial signaling devices
Procurement Notes
Verify the specific suffix ZLS4 against the manufacturer's latest datasheet to confirm pinout compatibility and thermal specifications. Ensure the design accounts for surface-mount mounting requirements and moisture sensitivity levels during assembly. Confirm availability status as this component may have limited production runs or obsolescence notices.
Selection Notes
Select this component when a compact solution with multiple LED drive channels is required. Consider the TSSOP package constraints for PCB layout and thermal dissipation. Evaluate the input voltage range against the power supply design to ensure stable operation under all expected load conditions.
Part Context
This part belongs to the IS31BL series of LED drivers from Lumissil Microsystems. The series focuses on providing efficient power management for lighting applications. The BL variant typically denotes specific topology or feature sets optimized for general lighting purposes compared to other series like LT or SE.
Replacement Considerations
Check for direct substitutes within the IS31BL family that share identical pinouts and electrical characteristics. Verify if newer revisions offer improved thermal performance or updated packaging options while maintaining functional compatibility.
