L6238SQT Ver la hoja de datos (PDF) - STMicroelectronics

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L6238SQT

12V SENSORLESS SPINDLE MOTOR CONTROLLER

STMicroelectronics 

L6238S

ABSOLUTE MAXIMUM RATINGS

Symbol

BVdss

VPower

VLogic

VAnalog

Vin

Cstorage

Imdc

Impk

Ptot

Ts

Parameter

Output Brakdown Voltage

Motor Supply Voltage

Logic Supply Voltage

Analog Supply Voltage

Input Voltage

Charge Pump Storage Capacitor

Motor Current (DC) (TQFP64 only)

(PLCC44 and PQFP44)

Peak Motor Current (Pulsed: Ton = 5ms, d.c. = 10%)

Power Dissipation at Tamb = 50 °C (PLCC44)

(TQ FP64)

(PQFP44)

Storage and Junction Temperature

Value

Unit

17

V

15

V

7

V

15

V

-0.3 to 7

V

4.7

µF

3

A

2.5

A

5

A

2.3

W

1.7

W

1.3

W

-40 to 150

°C

THERMAL DATA

Symbol

Rth (j-amb)

Parameter

Thermal Resistance Junction-Ambient

Those Thermal Data are valid if the package is mounted on Mlayer board in stillair

PLCC44

34

PQFP44

45

TQFP64

45

Unit

°C/W

PIN CONNECTION PLCC44 (Top view)

GND

CHARGE PUMP 1

CHARGE PUMP 3

OUTPUT A

VPOWER

VANALOG

N.C.

TDLY(0)

TDLY(1)

TDLY(2)

GND

6 5 4 3 2 1 44 43 42 41 40

7

39

8

38

9

37

10

36

11

35

12

34

13

33

14

32

15

31

16

30

17

29

GND

GATE DRIVE

GM COMP

OUTPUT C

RSENSE 2

CSA INPUT

VCONTROL

N.C.

FMOTOR

VLOGIC

GND

18 19 20 21 22 23 24 25 26 27 28

D95IN245

2/31

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