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LB1868 Datasheet Two-phase Brushless Fan Motor Driver

Manufacturer: SANYO (now Panasonic)

Overview: Ordering number : ENN*6202 LB1868 Monolithic Digital IC LB1868 Two-Phase Brushless Fan Motor Driver Preliminary Overview The LB1868 is a 2-phase unipolar brushless motor driver. With only a few peripheral parts, lockup protection and automatic recovery can be implemented. The IC can be configured for 12V or 24V operation and a wide range of variations, from LOW speed to H-High speed and from 60 cm to 120 cm square using the same PCB. This makes it easy to design highly reliable fan motor installations. Package Dimensions unit: mm 3098B-DIP10S [LB1868] 10 6 7.62 6.4 1 9.4 5 • Output protection Zener diode with variable withstand voltage Z1, Z2 pins open: VOLM = 57V (24V specification) Z1, Z2 pins shorted: VOLM = 32V (12V specification) External Zener diode connected across Z1 - VCC pins: support for fans with large drive current • External resistor allows configuration for 12V or 24V. • Direct Hall element connection possible (built-in Hall amplifier with hysteresis supports core without auxiliary electrode) • Built-in output transistor with 1.0A output current (strengthened negative-current support for core without auxiliary electrode) • Built-in rotation detection function: Low during rotation and High during stop • Built-in lockup protection with automatic recovery • Built-in thermal shutdown 0.51min 0.48 0.95 1.14 1.78 3.2 3.0 3.

Key Features

  • SANYO : DIP10S Any and all SANYO products described or contained herein do not have specifications that can handle.

LB1868 Distributor