L6256 データシートの表示（PDF） - STMicroelectronics

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L6256

12V COMBO

STMicroelectronics 

L6256

THERMAL DATA

Symbol

Description

Rth j-pins

Rth j-amb

Thermal Resistance Junction-pins

Thermal Resistance Junction-ambient (*)

(*) Mounted on board with minimized dissipating copper area.

PIN DESCRIPTION

Pin #

1

2, 42

3

4,44

5

6,7,29,39,40

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

30

31

32

33

34

35

36

37

38

41

43

Pin Name

SP_B

SP_P1, SP_P2

SP_C

SP_G1,SP_G2

SP_CLK

GND

R_SLEW

POR_RC

nPOR

PWM_IN

BEMF_DET

SCLK

SDIO

VCC

BYPASSC

5V_GND

CP_OUT

CP_CAP

QDRIVE

VREG_IN

CUR_IN

B_OUT

VC_PWR

A_OUT

I_VC

PARK

CSELB

A_IN

IO_VC

DAC

H_VPWR

VDD

REF_IN

PWM_DC

FF_COMP

SH_OUT

C_TAP

SP_A

Pin Description

Spindle Output, Ph B

Spindle driver Supply

Spindle Output, Ph C

Spindle Driver Ground

Spindle Clock Input

Power Ground

Spindle Slew/FeedFwd Osc. Freq.

Ext. POR Timing Cap.

POR Reset (Active LOW)

Spindle PWM Input

Spindle BEMF Output

Serial Data Clock

Bidirectional Serial Data I/O

5V Digital Supply

Not to be used

5V Supply Ground

Charge Pump Pumping Cap

Charge Reservoir Cap

3.3V Regulator Base Drive

3.3V Regulator Voltage Feedback

3.3V Regulator Current Feedback

VCM Driver Output, B

VCM Drivers Supply

VCM Driver Output, A

VCM Sense Amplifier Input

VCM Park Pin

Chip Select

VCM A-Amplifier Input

VCM Sense Amplifier Output

VCM DAC Command Output

VCM Vpwr/2 Reference Voltage

12V Analog Supply

Spindle Current Limit/Win Threshd

Spindle Filtered PWM Input

Spindle Feedforwd Ramp Generator

Spindle BEMF Sample/Hold

Spindle Centre Tap

Spindle Output, Ph A

Max.

Max.

Value

12

50

Unit

°C/W

°C/W

Type

Power/Output

Power/Input

Power/Output

Power/Output

Cmos/Input

Ground/Heatsink

Analog/Input

Analog/Output

Cmos/BIO

Cmos/Input

Cmos/Output

Cmos/Input

Cmos/BIO

Supply/Input

-

Ground/Output

Analog/Output

Analog/Input

Analog/Output

Analog/IO

Analog/IO

Power/Output

Power/Input

Power/Output

Analog/Input

Analog/Input

-

Analog/Input

Analog/Output

Analog/Output

Analog/Output

Supply/Input

Analog/Input

Analog/Input

Analog/Input

Analog/Output

Analog/Input

Power/Output

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