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BD6718FV Datasheet DC Brushless Fan Motor Drivers

Manufacturer: ROHM

Overview: TECHNICAL NOTE DC Brushless Motor Drivers for Cooling Fans Speed Controllable Single-phase Full-wave DC Brushless Fan Motor Drivers BD6709FS, BD6718FV, BD6721FS, BD6722FS.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

This is the summary of models that suit for 12V speed controllable fan for desktop PC and general consumer equipment.

They employ Bi-CDMOS process, and realize low ON resistance, low power consumption.

They incorporate lock protection and automatic restart circuit, current limiting circuit.

Key Features

  • 1) Power Tr incorporated (BD6709FS、BD6721FS) 2) Pre-driver compatible for external Tr (BD6718FV) 3) Low side power Tr incorporated half pre-driver (BD6722FS) 4) Current limiting circuit 5) PWM soft switching driver (BD6721FS、BD6722FS) 6) Soft start circuit (BD6722FS) 7) Lock protection and automatic restart circuit 8) Rotating speed pulse signal (FG) output 9) Lock alarm signal (AL) output (BD6718FV、BD6721FS、BD6722FS).

More Datasheets from ROHM

Part Number Description
BD6712AF 2-Phase Half-Wave Pre Driver
BD6713EFV Single-Phase Full-Wave Motor Pre-Driver
BD67173NUX Three-Phase Full-Wave Fan Motor Driver
BD6701F Two-phase Full-wave DC Brushless Fan Motor Drivers
BD6709FS DC Brushless Fan Motor Drivers
BD6721FS Multifunction Single-phase Full-wave Fan Motor Driver
BD6722FS Multifunction Single-phase Full-wave Fan Motor Driver
BD6726FU Multifunction Single-phase Full-wave Fan Motor Driver
BD6735FV Dual H-Bridge Driver
BD6736FV Single H-Bridge Driver

BD6718FV Distributor