General brushless DC motor

General brushless DC motor

BL2245 Data Sheet
Series No:BL2245
NO.	Testing Item		Tested Values					Unit
1	Nominal voltage	U N	12	24	24			V
2	Terminal resistance, phase to phase	R	7	4	30.8			Ω
3	Output power	P2max	4.67	33.06	3.55			W
4	Efficiency	ηmax	61	63	41			%
5	No-load speed	no	7510	39420	6000			rpm
6	No-load current	I	0.08	0.25	0.1			A
7	Stall torque	MH	23.77	32.04	22.61			mN.m
8	Friction torque	MF	1.16	1.39	3.33			mN.m
9	Speed constant	kn	656.47	1713.91	286.81			rpm/V
10	Back-EMF constant	kE	1.52	0.58	3.49			mV/rpm
11	Torque constant	kM	14.55	5.57	33.3			mN.m/A
12	Current constant	kI	0.07	0.18	0.03			A/mN.m
13	Slope of n-M curve	n/M	315.9	1230.46	265.31			rpm/mN.m
14	Mechanical time constant	τm	3.64	14.17	3.06			ms
15	Rotor inertia	J	1.1	1.1	1.1			gcm2
16	Angular acceleration	αmax	216.12	291.24	205.59			103rad/s2
17	Sensor		Sensorless		Hall Sensor
18	Driver		DR1560SL		DR3080
19	Weight		95					g
20	Operating temperature range		-30+85
21	Commutation		Electronically commutation
22	Ball Bearing		EZO&NMB
23	Housing material	ηopt	Aluminum, black anodized
24	Magnet material	nopt	Sintered Nd-Fe-B
25	Direction of rotation	Mopt	Electronically reversible

(1) The I0 is pure current of motor in this data sheet that means it not included the drivers current.

(2) This type of motor can be assemble for planetary Gearbox which type of IG22 and made from Shayang Ye Co., Taiwan, and please to see Gearboxs sheet attached if you have need it.

General brushless DC motor