L7250 データシートの表示（PDF） - STMicroelectronics

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L7250

5V & 12V SPINDLE AND VCM MOTORS DRIVER

STMicroelectronics 

L7250

PIN DESCRIPTION (continued)

N°

Pin

V

Description

44

VCMGND4 gnd VCM power ground

45

VCMN1

O12 VCM negative output

46

VCMN2

O12 VCM negative output

47

RSEN1

O12 Spindle power sensing resitor

48

RSEN2

O12 Spindle power sensing resitor

49

Rsense

I5 Spindle sensing resistor input

50

OUTW1

O12 Spindle phase C output

51

OUTW2

O12 Spindle phase C output

52

VM1

IO12 Vmotor

53

VM2

IO12 Vmotor

54

VCV4

S12 12V power supply

55

VCV3

S12 12V power supply

56

OUTV1

O12 Spindle phase B output

57

OUTV2

O12 Spindle phase B output

58

RSEN3

O12 Spindle power sensing resitor

59

RSEN4

O12 Spindle power sensing resitor

60

OUTU1

O12 Spindle phase A output

61

OUTU2

O12 Spindle phase A output

62

CT

I12 Spindle central tap

63

CPOSCH IO20 Charge pump diodes connection

64

VBOOST IO20 Charge Pump voltage

(*) used also to set the IC power supply application. If this pin is pull-up externally the L7250 became a 5V application

S = Supply ; IO = Input/Output ; I = Input ; O = Output ; gnd = Ground.

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