HA13614FH Datasheet, PDF (16/26 Pages) Hitachi Semiconductor – Combo (Spindle & VCM) Driver

HA13614FH
External Components
Parts No.
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R2
R3
Rnf
R_S
C101, C102
C103
C104
C105
C106
C107
C108
C109
C110
C111
C112
C113
C114
C115
C116
C117
C1
C2
C3
Recommendation
Value
—
—
≥ 5.6 kΩ
—
—
—
—
—
—
≥ 5.6 kΩ
—
—
0.33 Ω
0.47 Ω
—
—
0.1 µF
0.1 µF
0.22 µF
2.2 µF
—
0. 1 µF
0.1 µF
0.1 µF
—
0.1 µF
0.1 µF
—
—
0.1 µF
—
—
—
Purpose
Set up threshold of power monitor for Vps
Pull up for POR terminal
Gain dumping for VCM driver
Set up output voltage of retract driver for pin VCMP
Set up threshold of power monitor for Vdd
Set up time constance of delayed brake
Pull up for 12VGOOD terminal
Filter constant of LPF
Current sensing for spindle motor
Current sensing for VCM
Pre-filter of B-EMF amplifier
Filter of PWMDAC for current control of spindle motor
Filter of internal reference output
Set up delay time of POR signal
Boost up of power supply
Stabilizing boost up voltage
Gain dumping for VCM driver
Stabilizing reference voltage of VCM driver
By passing of power supply
Keeping brake function
By passing of power supply
Stabilizing output voltage of retract driver for pin VCMP
Set up time constance of delayed brake
Stabilizing LVI2 terminal
Filter constant of LPF
Note
1
5
6
1
12
3
7
4
10
9
8
5
12
11
12
3
16