Datasheet Verified | Tsum1pfrlf


Last verified: March 2025. Due to the proprietary nature of OEM markings, always perform electrical validation before using any component in production.

The TSUM1PFR-LF is an all-in-one graphics processing integrated circuit (IC) developed by MStar Semiconductor (now part of MediaTek). It is primarily designed for LCD monitors and digital display applications, acting as a total solution for video processing and panel control. Key Technical Specifications Manufacturer MStar Semiconductor Package Type LQFP-64 (Low-profile Quad Flat Package, 64 pins) Max Resolution WXGA+ / SXGA+ Temperature Range -40°C to +105°C (Extended/Industrial range) Compliance RoHS (Lead-Free, indicated by "-LF") Input Interfaces

Multiple video inputs, including high-speed triple-ADC and PLL Output Interface

LVDS (Low-Voltage Differential Signaling) for display panels Core Functionalities

The TSUM1PFR-LF integrates several high-level blocks onto a single chip to reduce system complexity and cost:

Built-in Scaler & De-interlacer: Handles image resizing and converts interlaced video to progressive scan.

Integrated Microcontroller (MCU): An embedded 8-bit MCU manages OSD (On-Screen Display) functions, timing values, and overall system control.

Video Processing Engine: Includes a high-quality display engine and a 2D comb filter for enhanced image clarity. tsum1pfrlf datasheet verified

Dynamic Frame Rate (DFR) Generator: Eliminates frame short-lining by maintaining a fixed output clock rate while stabilizing the digital video output.

Power & EMI Management: Features intelligent power control for "green-mode" energy saving and spread-spectrum support to reduce electromagnetic interference (EMI). Typical Applications

This IC is widely found in consumer electronics and specialized display hardware:

LCD Monitors: Specifically those requiring compact designs and low power consumption.

Display Control Systems: Used as a timing-critical display driver in various digital control boards.

Multimedia Devices: Acts as an interface bridge for digital and analog video signals. Technical Verification & Resources

For engineers integrating this chip, precise pinout and electrical characteristics are essential. Detailed documentation and original parts are available through specialized distributors: Last verified: March 2025

Datasheets & Schematics: Full documentation, including CAD models and pinout diagrams, can be found on sites like Veswin and Win Source.

Service Manuals: Schematic examples of the chip's implementation in monitors like the AOC 917Sw or Samsung 633NW are often used for repair verification.

Based on the verified technical specifications for the MStar TSUM1PFR-LF , a standout feature is its Dynamic Frame Rate (DFR) Generator Jotrin Electronics

This integrated component is designed for LCD monitor applications and provides several advanced capabilities for display processing: Smooth Display Transitions

: The DFR generator allows the digital output video to maintain the advantages of a fixed output clock rate while simultaneously eliminating "short-line" issues at the end of frames. High-Resolution Support

: It serves as a total solution graphics processing IC for panels with resolutions up to WXGA+ and SXGA+ Integrated Multimedia Engine

: The chip includes a high-speed triple-ADC/PLL, a built-in scaler, a de-interlacer, and a 2D comb filter to ensure high-quality video processing. Energy Efficiency & EMI Control : It integrates intelligent power management for green-mode If you locate a document claiming to be

compliance and spread-spectrum support to manage Electromagnetic Interference (EMI). Compact Connectivity : The device is housed in a compact package and supports LVDS panel interface formats directly. Jotrin Electronics or help finding a full datasheet PDF TSUM1PFR-LF MSTAR Multimedia ICs - Jotrin Electronics


If you locate a document claiming to be the TSUM1PFRLF datasheet, verify it contains at least these 9 mandatory sections:

| Section | Required Content | |---------|------------------| | 1. Absolute Maximum Ratings | Voltage, current, temperature limits | | 2. Electrical Characteristics | Min/typ/max @ specific conditions | | 3. Pin Configuration | Diagram with pin numbers & names | | 4. Functional Block Diagram | Internal architecture | | 5. Typical Application Circuit | Resistor/capacitor values | | 6. Package Drawing | SOT-23, DFN, or SOIC with dimensions | | 7. Marking Information | Top marking code vs. full part number | | 8. Ordering Information | Lead-free/reel quantity | | 9. Revision History | Date and changes from manufacturer |

⚠️ Red Flag Warning: Any datasheet lacking a manufacturer logo, date code, or revision history is likely a forged or incomplete copy.


The TSUM1PFRLF is commonly found in:

If "TSUM1PFR-LF" is likely a resistor, a common format might be:

For voltage regulators (e.g., Torex), part numbers follow: