BLD70 is an economical, adaptable voltage from 12V to 24V, power less than 70W brushless DC motor.
● Highly reliable brushless DC (BLDC) motor controller
● Three-phase full-bridge, PWM control method
● Pure hardware design, high speed, high interference immunity
● Small size, low heat generation
● Automatic protection against undervoltage (≤8V) and overheating (>95℃)
● Automatic protection against stalling
● Hall error protection
● Supports built-in potentiometer, external potentiometer, and analog voltage speed regulation
● With brake braking function

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产品编号 BLD70

Driver specification

Model	BLD70
Driver Type	DC Brushless Motor Driver
DC / AC	DC
Suitable Motor	3-Phase DC Brushless motor
Input Voltage	12VDC - 24VDC
Output Current	0.05A-3A
Hall signal voltage	4.5V-6.5V
Hall drive current	20mA
Motor speed range	0rpm - 10000rpm
External potentiometer	10kΩ

Electrical Specifications

Parameter	Min	Typical	Max	Unit
Motor Hall Sensor Angle	120°/240°
DC Power Input	10	24	30	V
Drive Current Output	-	3	5	A
Suitable Motor speed	0	-	20000	RPM
Hall Sensor voltage	4.5	6.25	6.5	V
Hall Sensor current	-	20	-	MA
External potentiometer	-	10	-	KΩ

Connection Definition:

Mark	Definition
DC+/DC-	DC power input （DC10V~DC30V）
U,V,W	Motor lead wire
Hu,Hv,Hw	Hall sensor lead wire
Vcc	Hall sensor power supply +（+6.25V） and external potentiometer power supply +
DC-	Hall sensor power supply -
SV	External potentiometer
F/R	Direction： F/R connect to DC- ：CCW F/R disconnect to DC- :CW
BRK	Quick brake: BRK connect to DC- : running BRK disconnect to DC- : brake