AN8428GAK View Datasheet(PDF) - Panasonic Corporation

Part Name

Description

View to exact match

AN8428GAK

For 3.5inch HDD Motor Comb IC

Panasonic Corporation 

■ Standard application

0.047 µF

10 µF

XN4502

2SB1073

Vcc5

100

XN 4502

GNDSUBA

54

59 58

0.1 µF,18V

BSTFLT

57

78

BOOSTER POWER ON RESET

3.3V out

4.7 µ F

0.68

50

1.32K

0.047 µF

4.125K

SHOCK SENSOR

2

VREF

3

FILTER

PORN

70

3VREGCNTL

3VREGBG

71

SHKIN

SHKFLT

79

SHKOUT

13 SHOCK AMP

VREFOUT 75

0.01 µF

VREF

TIMER

RETRACT

RETRACT

&

VCM

VCC4

VCMREF

TEMP 50

THERMAL

WARNING

VPCNTL

VIPW MH

VIPW ML

RETRACT

LOGIC

DEVICE

SMODE1

SCNTL1

SCNTL2

SCNTL3

SIPW M

SENU

SENWIS

SENV

VCC5

10k

15

VPCNTL

VFLTINP 4

1800pF

77

VIPW MH

VIPW ML

76

FAILSAFE 14

1µF

VCM MODE

PWM DAC

FAIL SAFE

RETRACT

52

SMODE1

SCNTL1 69

SCNTL2 68

SCNTL3 67

SPINDLE MODE

COMMUTATION

SIPWM 51

SENU

74

SENWIS

BEMF-

72 COMPARATOR

SENV

73

SPW MTC

53

PWM

34k

220pF

VREF

SPINDLE

CURRENT

CONTROL

FILTER

SDRVU

SDRVV

SDRVW

10 µF

7,18,44,45

10

+

－

+

－

+

－

VREF

9 POR5VADJ

8 POR12VADJ

11 POR3.3VADJ

1800pF

0.01 µF

1800pF

12 CPOR

CPOR

0.022 µF

－

23,24

VCMP

0.33 Ω

+

62

VISENL

X4

65 VISENH

1K Ω

66 VISENS1

5 VFLTOUT

6 VCMINP

10k

VOICE

0.01 µF

COIL

MOTOR

390pF

220K

19

－

,20 VCMN

+

21,22

25,26

GND-V

RETRACT

16

RETRACT ADJ

17

RETPOWER

OUTPUT

STAGE

56 SDRVN

33, SDRVU

34

41,

42

SDRVV

29,30

SDRVW

46 SISENL

47 SISENH

28 SISINK1

31 SISINK2

32 SISINK3

35 SISINK4

36

SISINK5

37

SISINK6

RX

RY

MA10702

SPINDLE

MOTOR

0.18 Ω

1

55

48 49

43

680pF

0.047

µF

0.047

µF

0.47 µ F

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