Description
PT2513 Sensorless Sinusoidal BLDC Driver .
PT2513 is an integrated three-phase sensorless BLDC motor driver chip with advanced protection functions, including soft-start circuit, thermal shutdo.
Features
* Three-phase sensorless driver IC
* 6V ~ 16V voltage operating range
* 180 degree sine wave current operation
* Soft start control function
* PWM or VSP (DC) input speed control
* Maximum and minimum duty cycle limit settings
* Lock on and over-temperature protection
Applications
* Three phase sensorless BLDC driver
* CPU,GPU, or server cooling fan
* Refrigerator fan
BLOCK DIAGRAM
VREG
OSC MAX MIN VSP FWR SEL SEL2 SEL3 SEL4
UVLO
CLK
LDO
VDD
POR
RST
OSC
Sensorless Control Logic
PWMIN
FG
RD
OCP TSD BEMF
FLT COM
VDD UO VO WO RF
GND
Tel: 886-2-66296288