BD67929EFV Datasheet, PDF (3/15 Pages) Rohm – Three-phase Brushless Motor Driver for Polygonal Mirrors

BD67929EFV
Technical Note
●Electrical characteristics (Unless otherwise specified, Ta=25℃, VCC=24V)
Parameter
Limits
Symbol
Min. Typ. Max.
Whole
Circuit current 1
Circuit current 2
VREG output
I_CC1
-
4.0
9.0
I_CC2
-
1.0
2.3
Output voltage
Driver block (U, V, W)
V_REG
4.65 5.00 5.35
Output ON resistance
R_ON
-
1.35 1.76
Forward voltage of Diode on low side
V_D1
0.70
Forward voltage of Diode on high side V_D2
0.70
Output leak current
I_LEAK
-
Hall comparator (HUP, HUN, HVP, HVN, HWP, HWN)
In-phase input voltage range
VICM
1.5
Hysteresis voltage
ΔV_IN
15
LD, FG output
Low output voltage
V_OD
-
PD output
High output voltage
V_PDH
4.5
Low output voltage
V_PDL
-
Integral Amplifier
High output voltage of EO
V_ERH
3.5
Low output voltage of EO
V_ERL
-
Input current of EI
I_Ei
-2.0
Current limiting circuit
Gain at start up
GH
1.2
Gain at steady state
GL
0.4
Limit voltage
V_RNF
0.45
CLK input
External input frequency
F_CLK
-
High level input voltage
V_CLKH
3.0
Low level input voltage
V_CLKL
-
Low level input current
I_CLKL
-75
Control input(SS, SB)
High level input voltage
V_INH
3.0
Low level input voltage
V_INL
-
Low level input current
I_INL
-75
Oscillator
Oscillating frequency
F_OSC
130
High triangular waveform voltage
V_OSCH
1.6
Low triangular waveform voltage
V_OSCL
1.2
PROCLK
CLK cycle for protection circuit
T_PCLK
13
Hall bias
Hall bias voltage
V_HB
0.65
1.10
1.10
-
-
24
0.15
4.9
0.2
4.1
0.9
-0.1
1.5
0.5
0.50
-
-
-
-50
-
-
-50
200
2.0
1.5
20
0.80
1.55
1.55
10
3.5
42
0.50
-
0.3
-
1.5
-
1.8
0.6
0.55
10
-
1.5
-25
-
1.5
-25
270
2.4
1.8
27
0.95
Unit
Conditions
mA SS=L, Output is ON
mA SS=H, Output is OFF
V
Ω
I_OUT =1.0A on high and low side
in total
V I_OUT =-1.0A
V I_OUT =1.0A
µA
V High and low side in total
mV
V
I_LD,FG =10mA
V I_PD =-100µA
V I_PD =100µA
V I_EO =-500µA
V I_EO =500µA
µA V_Ei =0V
times
times
V
kHz
V
V
µA V_CLK =0V
V
V
µA V_IN =0V
kHz C_OSC =220pF
V
V
msec C_PCLK =0.1µF
V I_HB =10mA
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3/14
2010.12 - Rev.A