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Product Detailed Parameters
- Description：4-STRING, MAX 200MA/CHANNEL, 80V
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：4
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：36V
- Voltage - Output：80V
- Current - Output / Channel：200mA
- Frequency：-
- Dimming：Analog, 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 MP4658GS-Z is a secondary-side LED driver designed for multi-string backlighting applications. It supports up to four LED strings with a maximum output voltage of 80V and 200mA per channel. The device integrates AC/DC feedback capability, enabling direct connection to the primary side for cost reduction. It features analog and PWM dimming inputs for brightness control. The component operates within a supply voltage range of 9V to 36V and is housed in an SOIC-28 package.
Feature Summary
- Supports four independent LED strings with individual current regulation
- Integrates AC/DC feedback interface for simplified primary-side sensing
- Provides flexible dimming control via analog and PWM signals
- Designed specifically for high-reliability backlighting systems
Applications
- Monitor LED backlighting
- Small-sized TV LED backlighting
- Multi-string LED display modules
Procurement Notes
Verify the specific suffix (GS-Z) against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS status. Ensure the design accommodates the 80V output limit and 200mA channel current. Confirm that the AC/DC feedback requirement aligns with the target power supply topology before finalizing procurement.
Selection Notes
Select this component when designing systems requiring isolated multi-string LED driving with reduced component count. The integrated AC/DC feedback feature eliminates the need for additional optocouplers or secondary-side regulation circuits. It is suitable for applications demanding precise current matching across multiple LED strings without complex primary-side control loops.
Part Context
This part belongs to the MP4658 series from Monolithic Power Systems, specialized for LED backlighting. It differs from single-output drivers by supporting four parallel channels. The GS-Z designation indicates a specific tape-and-reel packaging variant compliant with environmental standards, distinct from other package options like the GS-P.
Replacement Considerations
Direct substitutes include the MP4658GS-P, which shares identical electrical specifications but may differ in packaging format. Verify pin-to-pin compatibility and thermal performance requirements when swapping between these variants.
