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参数资料
| 型号： | LB1952M |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.3 A, PDSO36 |
| 封装： | MFP-36 |
| 文件页数： | 5/11页 |
| 文件大小： | 173K |
| 代理商： | LB1952M |
Continued from preceding page.
Parameter
Symbol
Conditions
min
typ
max
Unit
[FG Amplifier]
FG amplifier input offset voltage
Voff (FG)
–8
+8
mV
FG amplifier input bias current
Ib (FG)
–100
nA
FG amplifier output saturation
voltage
VOsat (FG)
At internal pull-up resistor load on sink side
0.5
V
FG amplifier common-mode
input voltage
VCM (FG)
0.5
4.0
V
[Saturation]
Saturation prevention circuit
lower set voltage
VOsat (DET)
Voltage between each Out and Rf at IO =10mA,
Rf = 0.5 ,VCTL =VLIM =5V
0.175
0.25
0.325
V
[TSD]
TSD operation temperature
T-TSD
(Design target)
Note 1
180
°C
TSD temperature hysteresis
width
TSD
(Design target)
Note 1
20
°C
Note 1: No measurements are performed for any values listed in the condition column as design targets.
Note 2: The torque ripple correction factor is calculated using the Rf voltage waveform as follows.
Truth Table & Control Function
Source → Sink
Hall input
FR
UV
W
1
V → W
HH
L
H
W → VL
2
U → W
HL
L
H
W → UL
3
U → V
HLH
H
V → UL
4
W → V
LL
H
V → WL
5
W → U
LH
H
U → WL
6
V → U
LHL
H
U → VL
Note: ‘‘H’’ in the FR column represents a voltage of 2.75V or
more; ‘‘L’’ represents a voltage of 2.25V or less.
(At VCC =5V)
Note: ‘‘H’’ in the hall input columns represents a state in which
‘‘+’’ has a potential which is higher by 0.01 V or more
than that of the ‘‘’’ phase inputs.
Conversely, ‘‘L’’ represents a state in which ‘‘+’’ has a
potential which is lower by 0.01V or more than that of
the ‘‘’’ phase input.
Note: Since 180° conduction is used as the drive system, other phases than the sink and source phases are turned off.
Hall input logic settings
GND level
Correction factor =
2
× (Vp Vb)
Vp + Vb
× 100 (%)
LB1952, 1952M
No.5132 - 3/11
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