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LB1876 Datasheet(PDF) 2 Page - ON Semiconductor

Part # LB1876
Description  3-phase Brushless Motor Driver
PDF  12 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LB1876 Datasheet(HTML) 2 Page - ON Semiconductor

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LB1876
No.6201-2/12
Allowable Operating Ranges at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Power supply voltage range
VCC
9.5 to 28
V
5V regulated output current
IREG
0 to -20
mA
LD pin voltage
VLD
0 to 28
V
FGS pin voltage
VFGS
0 to 28
V
LD pin output current
ILD
0 to 15
mA
FGS pin output current
IFGS
0 to 10
mA
Electrical Characteristics at Ta
= 25°C, VCC = VM = 24V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
ICC1
17
22
mA
Current drain
ICC2
Quiescent Current
3.6
5.0
mA
5V Regulated Output
Output voltage
VREG
4.65
5.0
5.35
V
Voltage fluctuation
ΔVREG1
VCC = 9.5 to 28V
50
100
mV
Load fluctuation
ΔVREG2
IO = -5 to -20mA
30
100
mV
Temperature coefficient
ΔVREG3
Design target value*
0
mV/
°C
Output Block
VOsat1
IO = 1.0A, VO(SINK) + VO(SOURCE)
2.0
2.5
V
Output saturation voltage
VOsat2
IO = 2.0A, VO(SINK) + VO(SOURCE)
2.6
3.2
V
Output leak current
IOleak
100
μA
VD1
ID = -1.0A
1.2
1.5
V
Lower side diode forward voltage
VD2
ID = -2.0A
1.5
1.9
V
Hall Amplifier Block
Input bias current
IHB
-2
-0.5
μA
Common mode input voltage range
VICM
0
VREG-2.0
V
Hall input sensitivity
VIN(HA)
80
mVp-p
Hysteresis width
ΔVIN(HA)
15
24
42
mV
Input voltage L
→ H
VSLH
12
mV
Input voltage H
→ L
VSHL
-12
mV
FG/Schmitt Block
Input bias current
IB(FGS)
-2
-0.5
μA
Common mode input voltage range
VICM(FGS)
0
VREG-2.0
V
Input sensitivity
VIN(FGS)
80
mVp-p
Hysteresis width
ΔVIN(FGS)
15
24
42
mV
Input voltage L
→ H
VSLH(FGS)
12
mV
Input voltage H
→ L
VSHL(FGS)
-12
mV
PWM Oscillator
Output High level voltage
VOH(PWM)
2.5
2.8
3.1
V
Output Low level voltage
VOL(PWM)
1.2
1.5
1.8
V
External capacitor charge current
ICHG
VPWM = 2V
-125
-95
-75
μA
Oscillator frequency
f(PWM)
C = 3000pF
22
kHz
Amplitude
V(PWM)
1.05
1.27
1.50
Vp-p
FGS Output
Output saturation voltage
VOL(FGS)
IFGS = 7mA
0.15
0.5
V
Output leak current
IL(FGS)
10
μA
CSD Oscillator
Output High level voltage
VOH(CSD)
2.65
3.0
3.3
V
Output Low level voltage
VOLCSD)
0.75
0.9
1.1
V
Amplitude
V(CSD)
1.75
2.1
2.3
Vp-p
External capacitor charge current
ICHG1
-13.5
-9
-5.5
μA
External capacitor discharge current
ICHG2
5.5
9
13.5
μA
Oscillator frequency
f(CSD)
C = 0.068
μF
30
Hz
*Design target value, Do not measurement.
Continued on next page.



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