AN8470NSA Datasheet, PDF (8/8 Pages) Panasonic Semiconductor – Spindle motor driver IC for optical disk

AN8470NSA
s Application Circuit Example
V_DD = 5 V
ICs for Compact Disc/CD-ROM Player
0.1 µF
0.1 µF
0.1 µF
5V
Start ⁷ Start/stop
FG 24
Step-up voltage circuit
OSC
Thermal
protection
H1H 23
H1L 22
H2H 21
H2L 19
H3H 18
H3L 17
VH 8
Hall amp.
matrix
Hall
bias
Distributor
circuit
Amp.
Amp.
Output
circuit
PWMOUT
27
Spindle speed EC
V_T
control signal
26
ECR
560 pF
FC 25 _Oscillator
SSET
FF
SRESET
PNFOUT _{× 5}
V_CL
32 VM2
3 A1
1 A2
31 A3
2 RNF2
30 RNF1
R_CS = 0.33 Ω
10 GND
8