參數(shù)資料
型號： LB1897H
元件分類： 運動控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, PDSO34
封裝： 0.375 INCH, HSSOP-28
文件頁數(shù)： 4/11頁
文件大?。?/td> 159K
代理商： LB1897H
LB1897H
No.8804-2/11
Electrical Characteristics
at Ta = 25
°C, VCC = 5V, VS = 15V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
VCC supply current
ICC
RL = ∞, VCTL = 0V, VLIM = 0V (at quiescence)
12
18
mA
[Output]
VOsat1
IO = 500mA, Rf = 0.5, Sink+Source
VCTL = VLIM = 5V (with over-saturation prevention)
2.1
2.6
Output saturation voltage
VOsat2
IO = 1.0A, Rf = 0.5, Sink+Source
VCTL = VLIM = 5V (with over-saturation prevention)
2.6
3.5
V
Output leak current
IOleak
1.0
mA
[FR]
FR pin input threshold voltage
VFSR
2.25
2.50
2.75
V
FR pin input input bias current
Ib (FSR)
-5.0
A
[Control]
CTLREF pin voltage
VCREF
2.37
2.50
2.63
V
CTLREF pin input range
VCREFIN
1.70
3.50
V
CTL pin input bias current
Ib (CTL)
With VCTL = 5V, CTLREF : OPEN
8.0
A
CTL pin control start voltage
VCTL (ST)
At Rf = 0.5
, VLIM = 5V, IO ≥ 10mA
With hall input logic fixed (U, V, W = H, H, L)
2.20
2.35
2.50
V
CTL pin control changeover voltage VCTL (ST2)
At Rf = 0.5
, VLIM = 5V
3.00
3.15
3.30
V
CTL pin control Gm1
Gm1 (CTL)
Rf = 0.5
, IO = 200mA
With hall input logic fixed (U, V, W = H, H, L)
0.52
0.65
0.78
A/V
CTL pin control Gm2
Gm2 (CTL)
Rf = 0.5
, VCTL = 200mV
With hall input logic fixed (U, V, W = H, H, L)
1.20
1.50
1.80
A/V
[Current limiting]
LIM current limiting offset voltage
VOFF(LIM)
Rf = 0.5
, VCTL = 5V, IO ≥ 10mA
With hall input logic fixed (U, V, W = H, H, L)
140
200
260
mV
LIM pin input bias current
Ib (LIM)
At VCTL = 5
, VCREF : OPEN, VLIM = 0V
-2.5
A
LIM pin current limiting level
Ilim
Rf = 0.5
, VCTL = 5V, VLIM = 2.06V
With hall input logic fixed (U, V, W = H, H, L)
830
900
970
mA
[Hall amp]
Hall amp input offset voltage
VOFF
(HALL)
-6
+6
mV
Hall amp input bias voltage
Ib (HALL)
1.0
3.0
A
Hall amp common input voltage
VCM
(HALL)
1.3
3.3
V
[TRC]
Torque ripple compensation ratio
TRC
At a bottom and peak of Rf waveform with IO =
200mA
(RF = 0.5
)
Note 2
9
%
[FG amplifier]
FG amp input offset voltage
VOFF(FG)
-8
+8
mV
FG amp input bias current
Ib (FG)
-100
nA
FG amp output saturation voltage
VOsat
(FG)
Sink side. At internal pull-up resistor load
0.5
V
FG amp common input voltage
VCM(FG)
0.5
4.0
V
FG amp positive side output
characteristic breakpoint
VCLIP
(POS)
+0.360
+0.450
+0.540
V
GF amp negative side output
characteristic breakpoint
VCLIP
(NEG)
-0.540
-0.450
-0.360
V
[Saturation]
Saturation preventive circuit lower
side setting voltage
VOsat
(DET)
Each OUT-Rf voltage at IO = 10mA, Rf = 0.5
VCTL = VLIM = 5V
0.175
0.25
0.325
V
[TSD]
TSD operating temperature
T-TSD
(Set target value)
Note 1
170
°C
Note 1. For the design target value in the “Conditions” column, no measurement is made.
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