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Product Detailed Parameters
- Description：IC LED DRV CTRL PWM 180MA 16SOIC
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tube
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：5V
- Voltage - Supply (Max)：28V
- Voltage - Output：-
- Current - Output / Channel：180mA
- Frequency：670kHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The MP3394SGS is a four-channel boost WLED driver IC designed for LCD panel backlight applications. It operates with an input voltage range of 5 V to 28 V and delivers up to 200 mA per channel. The device utilizes a fixed-frequency current control architecture with an adjustable switching frequency ranging from 140 kHz to 670 kHz. It features open-drain outputs, PWM dimming capability, and supports cascading via a single power supply. The component is housed in a 16-SOIC package and functions within a temperature range of -40°C to +125°C.
Feature Summary
- Four independent high-current channels with precise matching for uniform backlight illumination
- Integrated boost topology supporting wide input voltage ranges up to 28 V
- Flexible dimming control through external PWM signals or DC input modes
- Comprehensive protection mechanisms including open LED detection and thermal shutdown
Applications
- Backlight driving for large LCD panels
- White LED array drivers for 2D/3D monitors
- Television display backlight systems
Procurement Notes
Verify the specific suffix (e.g., SGS-P, SGS-Z) to confirm packaging type and RoHS compliance status. Confirm availability as some variants may be discontinued. Ensure the selected package matches the PCB footprint requirements. Check moisture sensitivity levels for proper storage handling.
Selection Notes
Select this model when four synchronized channels are required for uniform white LED arrays. Choose based on the necessary output current limits and input voltage constraints. Consider the SOIC-16 package for surface mount assembly. Verify compatibility with existing boost inductor values and switching frequency settings.
Part Context
This component belongs to the MP3394 series of LED lighting drivers manufactured by Monolithic Power Systems. The series focuses on multi-channel white LED control for display backlights. Variants differ primarily in packaging options and regulatory compliance markings while maintaining core electrical performance characteristics.
Replacement Considerations
MP3394SGS-P
FAQ
How is the switching frequency determined?
The switching frequency is set by an external resistor connected to the device.
What protection features are included?
The IC includes open LED protection, short circuit protection, overvoltage protection, and thermal shutdown.
