GC1267R单线圈无刷直流电机驱动外置MOS国产替代安森美LB11867

Chip description
The GC1267R is a single-phase bipolardriving motor pre-driver with the variable speedfunction compatible with external PWM signal.With a few external parts, a highly-efficient andhighly-silent variable drive fan motor with lowpower consumption can be achieved. Thisproduct is best suited for driving of the serverrequiring large air flow and large currentand the fan motor of consumer appliances.

Chip features
 Single-phase full-wave driving pre-driver
 Variable speed control possible with
external PWM input
 Current limiting circuit incorporated
 Reactive current cut circuit incorporated
 Minimum speed setting pin
 Soft start setting pin
 Lock protection and automatic reset circuits
incorporated
 RD (Lock Detection) Output
 Thermal shutdown circuit incorporated
Chip application
 CPU Cooler/VGA Fan
 Computing & Peripherals
 Industrial
 Server
 Vending Machine

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