AN8481SB Datasheet, PDF (4/6 Pages) Panasonic Semiconductor – Spindle motor driver IC for optical disk

AN8481SB
ICs for Motor
s Electrical Characteristics at T_a = 25°C (continued)
Parameter
Symbol
Conditions
Hall bias
Hall bias voltage
Hall amplifier
V_HB V_CC = 5 V, I_HB = 20 mA
Input bias current
In-phase input voltage range
Minimum input level
Torque command
I_BH
V_HBR
V_INH
V_CC = 5 V
V_CC = 5 V
V_CC = 5 V
In-phase input voltage range
Offset voltage
Dead zone
Input current
Input/output gain
Output
EC
EC_OF
EC_DZ
EC_IN
A_CS
V_CC = 5 V
V_CC = 5 V
V_CC = 5 V
V_CC = 5 V, EC = ECR = 2.5 V
V_DD = 5 V, R_CS = 0.5 Ω
High-level output saturation voltage V_OH
Low-level output saturation voltage V_OL
Torque limit current
I_TL
FG
V_CC = 5 V, I_O = −300 mA
V_CC = 5 V, I_O = 300 mA
V_CC = 5 V, R_CS = 0.5 Ω
FG output high-level
FG output low-level
In-phase input voltage range
FG_H
FG_L
V_FGR
V_CC = 5 V, I_FG = − 0.01 mA
V_CC = 5 V, I_FG = 0.01 mA
V_CC = 5 V,
Input D-range at H2+, H2−
FG hysteresis width
H_FG
Triangular wave oscillation circuit
V_CC = 5 V
Charging current
I_CH
Discharging current
I_DCH
Lower side voltage detection circuit
V_CC = 5 V, FC = 0.5 V
V_CC = 5 V, FC = 2.5 V
Input to output gain
SW-REG driving circuit
G_V1 V_CC = 5 V
PNP driving current
I_SWB V_CC = 5 V
Min Typ Max Unit
0.7 1.2 1.6 V
1
5 µA
1.5  4.0 V
60   mV[p-p]
1  3.9 V
−150 0 150 mV
50 100 150 mV
−5 −1  µA
0.31 0.41 0.51 A/V
 0.9 1.6 V
 0.2 0.6 V
390 530 670 mA
3.0  V_CC V
  0.5 V
1.5  3.0 V
1 10 20 mV
−100 −50 −25 µA
25 50 100 µA
5 10 20 times
10 50  mA
• Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Symbol
Conditions
Min Typ Max Unit
Thermal protection
Thermal protection operating
temperature
T_SDON V_CC = 5 V, ∆EC = 100 mV
 170  °C
Thermal protection hysteresis width ∆T_SD V_CC = 5 V, ∆EC = 100 mV
 45  °C
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