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Ⅰ.Overview of product

VNF1248FTR is a high-performance power distribution switch and load driver IC developed by STMicroelectronics. Adopting the advanced ECOPACK® series process, it integrates multiple protection functions and is suitable for high-voltage and reliable power control scenarios.

Ⅱ.Core parameter

Category:Integrated Circuits (ICs),Power Management (PMIC),Power Distribution,Switches, Load Drivers

Voltage - Load:6V ~ 70V

Mfr:STMicroelectronics

Voltage - Supply (Vcc/Vdd):6V ~ 70V

cms-filter-header-series:ECOPACK®

Input Type:Non-Inverting

Packaging:Tape & Reel

Features:Latch Function

Part Status:Active

Fault Protection:Current Limiting (Fixed), Over Temperature, Short Circuit, Reverse Battery, UVLO

Switch Type:General Purpose

Operating Temperature:-40°C ~ 150°C (TJ)

Output Configuration:High Side

Mounting Type:Surface Mount, Wettable Flank

Output Type:N/P-Channel

Package / Case:32-VFQFN Exposed Pad

Ⅲ.Main characteristics

Wide Voltage Range:The device supports both load and supply voltage ranging from 6V to 70V, covering most medium and high-voltage power supply systems and adapting to diverse power application environments.

Multi-protection Design:It is equipped with comprehensive fault protection mechanisms including fixed current limiting, over temperature protection, short circuit protection, reverse battery protection and UVLO, which effectively avoids chip and load damage caused by abnormal circuits.

Latch Function:Built-in latch function can lock the working state when faults occur, helping engineers quickly locate circuit problems and improve equipment maintenance efficiency.

Stable Output Performance:Adopting high-side N/P-channel output configuration with non-inverting input design, it ensures stable and accurate signal and power output without phase deviation.

High-reliability Packaging:The 32-VFQFN exposed pad package with wettable flank surface mounting structure features good heat dissipation performance and high welding reliability, suitable for mass production.

Eco-friendly Process:Adopting STMicroelectronics’ mature ECOPACK® process, the chip meets environmental protection standards while maintaining stable and long-term operating performance.

Ⅳ.Application field

Vehicle Power Control:Applied to power distribution control of vehicle-mounted USB charging modules and car interior ambient light systems, providing stable power switching and over-current protection for vehicle electrical equipment.

Industrial Equipment Drive:Used for driving small industrial relays and low-power solenoid valves in automated production equipment, realizing reliable on-off control of industrial load circuits.

Smart Home Control:Deployed in power switch modules of smart door locks and smart curtain controllers to manage power supply of low-power household loads and prevent circuit damage from abnormal current.

Communication Device Power:Applied to power distribution units of miniature communication base stations and network signal transceivers, providing over-temperature and short-circuit protection for stable operation of communication equipment.

New Energy Equipment:Used in auxiliary power management modules of small photovoltaic power generation equipment, achieving safe switching and fault protection of power output circuits.

Ⅴ.Summary

VNF1248FTR is a high-reliability and multi-functional power management switch IC with wide voltage coverage and comprehensive protection performance. It serves as an ideal power distribution and load driving component for industrial, vehicle-mounted and smart electronic devices.