HA13614 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HA13614

Combo (Spindle & VCM) Driver

Hitachi -> Renesas Electronics 

Block Diagram

HA13614FH

C113

CLK 37

1

128

Vss (+5V)

C112

R109

Vps (+12V)

C111

C116

Vss

VpsIN VpsOUT Vpss

4

23 19

31

30 28

BRK

BRKDLY

CLK

C114

25 CT

C101

C102

UFLT

33

NFLT

32

COMM 36

B-EMF

Amps

BRAKE

POR

OTSD

CLK

EXTCOM

Brake

control

Commutation

logic

VBST

U

Spindle

driver

V

20 U

21 V

PHASE 35

SPN

GAIN

SPNCTL

(TESTOUT)

34

C103 29

Input

filter

FLTOUT

1.4V ref.

Selector

+ OP Amp.1

MASK

Current

control

(PWM)

VBST

W

27 W

22 RNF

RNF

26 ISENSE

17 Vpsv

C110

13 RETPOW

OP1IN(−) 2 −

OP1OUT 1

OP2IN(+) 3

TEST

+ OP Amp.2

−

OP2OUT 5

VCMIN 10

C104

44 VREF

C1

43 VIPWMH PWM

42 VIPWML decoder

45 DACOUT

Vref(=5.3V)

SCLK 38

DATA 40

SEENAB 39

Serial

input

RESET

STANDBY BIAS

SPNENAB

EXTCOM

BRAKE

VCMENAB

SOFTSW

TEST

SPNGAIN

Retract

driver

14 RETSET R106

C115

VBST

+ VCM P

− driver

N

VCMSLC 12

VCMP 11

R105

C109

RS

PC 6

RL

VCMN 8 R104 C108

VCMENAB

VCMPS 7

Rs 9

POW DWN

OTSD

Vss (+5V)

41 12VGOOD

(Open Drain) R110

Vps Vss

Vss (+5V)

Power

monitor2

Vss

Power

monitor1

POR

delay

CLK

POR

(L: RESET)

48

VBST

Booster 18 VBST C107

R103

TAB

Vps

LVI1

R101

47

24

LVI2 DELAY

R107 Vdd

46

BC1

15

16 BC2

(+12V)

R102 R108

(+3.3V) C105

C117

C106

5

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