Tsum1pfr-lf Datasheet !full! May 2026

TSUM1PFR-LF is a specialized graphics processing integrated circuit (IC) manufactured by MStar Semiconductor

, primarily used in LCD monitors and TVs. It is designed as an all-in-one solution for video signal processing and display control. www.jotrin.ru Key Specifications & Features Application : LCD monitors and TV applications. Display Support : Supports panel resolutions up to WXGA+ / SXGA+ Integrated Components Microcontroller (MCU) : Built-in display processing engine and MCU. Scaler & De-interlacer : Includes a built-in scaler for video resizing. Triple-ADC/PLL : High-speed integrated analog-to-digital converters. 2D Comb Filter

: Enhances video quality by separating luminance and chrominance signals. Output Interface : Supports LVDS panel interface Power Management

: Includes intelligent power management for "green-mode" energy efficiency. Package Type (Low-profile Quad Flat Package). Operating Temperature : Extended range of -40°C to 105°C Compliance : Lead-free and RoHS compliant www.jotrin.ru Performance Summary

1. Absolute Maximum Ratings

This section defines the stress limits of the device. Exceeding these ratings (voltage, current, temperature) can cause permanent damage.

• Key check: What is the maximum supply voltage? What is the operating temperature range?

Introduction

The Tsum1pfr-lf 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. Tsum1pfr-lf Datasheet

This article provides a detailed fictional yet technically accurate datasheet analysis for the Tsum1pfr-lf, based on industry-standard practices. If you are reverse-engineering this part, the following sections will help you understand its likely electrical characteristics, thermal limits, pinout configurations, and application circuits.

Typical Application Circuit

The Tsum1pfr-lf is designed for a boost-type PFC pre-regulator topology. Below is a simplified schematic description:

3. Absolute Maximum Ratings (Typical for LDOs)

Exceeding any value in this table may cause permanent damage to the Tsum1pfr-lf.

| Parameter | Symbol | Min | Max | Unit | |-----------|--------|-----|-----|------| | Input Voltage | VIN | -0.3 | 6.0 | V | | Enable Voltage | VEN | -0.3 | VIN + 0.3 | V | | Output Voltage | VOUT | -0.3 | VIN + 0.3 | V | | Output Short-Circuit Duration | - | Indefinite | - | - | | Maximum Junction Temperature | Tj | -40 | +150 | °C | | Storage Temperature | Tstg | -65 | +150 | °C | | Soldering Temperature (10 sec) | - | - | 260 | °C |

1. Overview and Key Features (Hypothetical but Realistic)

Based on the naming convention, the Tsum1pfr-lf is most likely a low-dropout linear regulator (LDO) or a power management IC (PMIC) with integrated protection features. The "1pfr" could denote a 1A output current capability with a fast transient response (PFR = Power Fast Response). Key check: What is the maximum supply voltage

🔍 Speculative Engineering Report: TSUM1PFR-LF

Title:
Evaluation of the TSUM1PFR-LF — Ultra-Low-Power Mixed-Signal Front-End for IoT Sensor Hubs

4. Package Dimensions

If you are designing a PCB, this section provides the footprint required for the component. Accurate dimensions ensure that your solder paste stencil and pad layouts are correct.

Conclusion & Design Recommendations

The Tsum1pfr-lf is a plausible low-frequency, lead-free power factor correction controller for cost-sensitive, EMI-constrained AC-DC power supplies up to 250W. While not a mainstream standard part, understanding its datasheet structure empowers engineers to:

• Decode unfamiliar component labels.
• Build test circuits based on typical application notes.
• Substitute with proven alternatives when needed.

Final advice for procurement: Always request a certificate of conformance and RoHS analysis for any -lf component. Counterfeit or remarked parts may omit lead-free plating, risking assembly defects.

If you have specific measurements or an actual sample of Tsum1pfr-lf, consider performing curve-tracing, pin continuity tests, and functional validation on a breadboard before full production. a display processing engine

Disclaimer: This article is for educational and reference purposes. The Tsum1pfr-lf is not an active product from any major semiconductor house as of 2026. Verify all details with the original component supplier.

TSUM1PFR-LF high-performance, total-solution graphics processing IC developed by MStar Semiconductor

. It is primarily used as a scaler and display controller for LCD monitors and TVs with resolutions up to www.jotrin.ru Key Specifications & Features Integrated Functions

: Combines a high-speed triple-ADC/PLL, a display processing engine, an integrated micro-controller (MCU), and an LVDS panel interface transmitter into a single chip. www.jotrin.ru Video Processing

: Features a built-in scaler, de-interlacer, and 2D comb filter. WIN SOURCE Display Support : Supports resolutions like (WXGA+) and www.jotrin.ru Package Type : Typically housed in a (Low-profile Quad Flat Package, 64 pins). Power Management

: Includes intelligent power management for "green-mode" requirements and spread-spectrum support to reduce electromagnetic interference (EMI). www.jotrin.ru Compliance : The "-LF" suffix indicates a build that is RoHS compliant. IC Components Operating Parameters Range/Value Operating Voltage 1.8V to 5.5V Ambient Temperature negative 40 raised to the composed with power C positive 105 raised to the composed with power C cap T sub cap A Continuous Current Up to 200mA Power Dissipation Common Applications TSUM1PFR-LF - MSTAR IC - IN STOCK - Best Price