Tsum1pfr-lf Datasheet __exclusive__ Jun 2026

The component balances legacy video compatibility with digital processing efficiency. The key device specifications stated across engineering datasheets include: Specification Detail / Conditions MSTAR Semiconductor Specialized Display Solutions Division Package Type LQFP-64 (Low-profile Quad Flat Pack) 64 Pins, surface mount technology Max Resolution WXGA+ / SXGA+ Supports up to 1440x900 or 1400x1050 pixels Input Interfaces Analog RGB / Triple ADC Standard VGA input signaling compliance Output Format Low-Voltage Differential Signaling (LVDS) Standard single or dual-channel link panels Operating Temp Range -40°C to +105°C ( TAcap T sub cap A Industrial-grade thermal tolerance limits Green Compliance Lead-Free (LF) / RoHS Compliant Complies with hazardous substance laws Key Features Described in the Datasheet 1. Integrated Triple ADC and PLL

The TSUM1PFR-LF's power lies in its high level of integration, which includes the following key functional blocks:

LQFP-64 (Low-profile Quad Flat Package, 64 pins)

The chip also interfaces with a such as the AP1117D33LA (3.3V LDO regulator), which is often found adjacent to the TSUM1PFR-LF on the mainboard. Tsum1pfr-lf Datasheet

Multiple separate power lines feed the IC. Dedicated digital power pins (VCC_D) power the logic cores, while noise-isolated analog power inputs (VCC_A) serve the internal analog-to-digital converters (ADCs) and PLL clocks. 4. I2C and Serial Command Pins

) running alongside clock pairs to stream serialized data directly to the LCD ribbon connector. External I2Ccap I squared cap C

When evaluating the TSUM1PFR-LF for repair bench testing or legacy device modifications, certain standard datasheet electrical thresholds govern the circuit's performance. Datasheet Parameter Value / Range MStar Semiconductor Primary Function LCD Monitor/TV Video Processor (Scaler) Package Type LQFP-64 / TQFP-64 (64 pins) Input Signal Types Analog RGB (VGA) / Digital Interface Streams Output Interface LVDS (Low-Voltage Differential Signaling) to Panel Supply Voltage Range Multiple separate power lines feed the IC

To give you an , I can:

: A built-in MCU manages display processing tasks, often working alongside external flash memory for program storage and EEPROM for On-Screen Display (OSD) data.

| Compliance | Status | | :--- | :--- | | | Compliant (Lead-free) | | Halogen-Free | Yes (typical for MStar "LF" suffix) | | Conflict Minerals | Industry standard compliance | | Storage Temperature | -55°C to +150°C | | Operating Temperature | 0°C to +70°C (commercial grade) | I2C and Serial Command Pins ) running alongside

The is an increasingly searched component identifier in repair forums, electronic components databases, and BOM (Bill of Materials) lists. While not a standard JEDEC or EIA/JESD registered code, the structure—"Tsum" potentially relating to a TSMC or TSUM series microcontroller or power management IC , "1pfr" possibly indicating a specific revision or current rating, and the critical suffix "-lf" (Lead-Free)—suggests a modern, RoHS-compliant active component.

If the Tsum1pfr-lf is the adjustable version, you need an external resistor divider from VOUT to FB (feedback) to GND.

Note: For the complete schematic diagram and detailed pin configuration, refer to the Veswin TSUM1PFR-LF product page which provides CAD models and PDF documentation. 4. Typical Applications

Based on technical summaries, the Tsum1pfr-lf boasts the following technical specifications: Description MStar Semiconductor Part Type Specialized Graphics Processing IC / MCU Package LQFP-64 (Low-profile Quad Flat Package) Input Triple-ADC/PLL (supports analog inputs) Output LVDS Interface Supported Res. Up to SXGA+ ( Key Function Dynamic Frame Rate (DFR) Generator Core Components