HA13614FH Datasheet, PDF (3/26 Pages) Hitachi Semiconductor – Combo (Spindle & VCM) Driver

HA13614FH
Pin Description
Pin No.
1
2
3
4
5
6
Pin Name
OP1OUT
OP1IN(–)
OP2IN(+)
Vss
OP2OUT
PC
7
VCMPS
8
VCMN
9
Rs
10
VCMIN
11
VCMP
12
VCMSLC
13
RETPOW
14
RETSET
15
BC1
16
BC2
17
Vpsv
18
VBST
19
BRKDLY
20
U
21
V
22
RNF
23
BRK
24
LVI2
25
CT
26
ISENSE
27
W
28
Vpss
29
FLTOUT
30
VpsOUT
31
VpsIN
32
NFLT
33
UFLT
Function
Output of OP amp. 1
Inverted input of OP amp. 1
Non-inverted input of OP amp. 2
Power supply for +5 V
Output of OP amp. 2
External time costant connection terminal for phase compensation of VCM
driver
Current sensing terminal for VCM driver
Output of VCM driver (Inverted output of VCMP)
Current sensing terminal for VCM driver (differential input for VCMPS)
Input of VCM driver (differential input for VREF)
Output of VCM driver (inverted output of VCMN)
External capacitor connection terminal for stabilizing internal reference
voltage of VCM driver
Power supply terminal of retract driver
Output voltage set up terminal of retract driver
External capacitor connection terminal for pumping of booster
+12 V power supply for VCM driver
Output of booster circuit
Time constance set up terminal of delayed brake
U-phase output of spindle motor driver
V-phase output of spindle motor driver
Current sensing terminal for spindle motor driver
External capacitor connection terminal for power off brake
Resistor connection terminal for set up the threshold of +3.3 V power monitor
Center tap connection terminal for spindle motor
Input of PWM comparator
W-phase output of spindle motor driver
+12 V power supply for spindle motor driver
PWMDAC output for current control of spindle motor driver
Output of power supply switch
Input of power supply switch (+12 V)
Output of pre-filter for B-EMF sensing (capacitor connection terminal)
3