SAA1042 Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza

componentes Descripción

Fabricante

SAA1042

STEPPER MOTOR DRIVER

Motorola => Freescale 

SAA1042

MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)

Rating

Symbol

SAA1042V Unit

Clamping Voltage (Pins 1, 3, 14, 16)

Over Voltage (VOV = Vclamp – VM)

Supply Voltage

Switching or Motor Current/Coil

Input Voltage (Pins 7, 8, 10)

Power Dissipation (Note 1)

Thermal Resistance, Junction–to–Air

Thermal Resistance, Junction–to–Case

Vclamp

VOV

VCC

IM

Vin clock

Vin Full/Half

Vin CW/CCW

PD

θJA

θJC

20

6.0

20

500

VCC

2.0

80

15

V

V

V

mA

V

W

°C/W

Operating Junction Temperature Range

Storage Temperature Range

TJ

–30 to +125

°C

Tstg

–65 to +150

°C

NOTE: 1. The power dissipation (PD) of the circuit is given by the supply voltage (VM and VCC) and the

motor current (IM), and can be determined from Figures 3 and 5. PD = Pdrive – Plogic.

ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise noted.)

Characteristics

Pin(s) Symbol VCC

Min

Typ

Supply Current

11

ICC

5.0 V

—

—

20 V

—

—

Max

Unit

3.5

mA

8.5

Motor Supply Current

(IPin 6 = –400 µA, Pins 1, 3, 14, 16 Open)

VM = 6.0 V

VM = 12 V

VM = 24 V

Input Voltage, High State

15

IM

5.0 V

—

25

5.0 V

—

30

5.0 V

—

40

7, 8, 10

VIH

5.0 V

2.0

—

10 V

7.0

—

15 V

10

—

20 V

14

—

mA

—

—

—

—

V

—

—

—

Input Voltage, Low State

Input Reverse Current, High State

(Vin = VCC)

VIL

5.0 V

—

—

0.8

10 V

—

—

1.5

15 V

—

—

2.5

20 V

—

—

3.5

7, 8, 10

IIR

5.0 V

—

—

2.0

µA

10 V

—

—

2.0

15 V

—

—

3.0

20 V

—

—

5.0

Input Forward Current, Low State

(Vin = Gnd)

IIF

5.0 V –10

—

—

10 V

–25

—

—

15 V

–40

—

—

20 V

–50

—

—

Output Voltage, High State (VM = 12 V)

Iout = –500 mA

Iout = –50 mA

1, 3, 14, 16 VOH

5.0 –

V

20 V

—

VM – 2.0

—

—

VM – 1.2

—

Output Voltage, Low State

Iout = 500 mA

Iout = 50 mA

Output Leakage Current, Pin 6 = Open

(VM = VD = Vclamp max)

VOL

5.0 –

20 V

—

0.7

—

0.2

1, 3, 14, 16 IDR

5.0 – –100

—

20 V

—

—

—

µA

Clamp Diode Forward Voltage (Drop at IM = 500 mA)

2

VF

—

—

2.5

3.5

V

Clock Frequency

7

fc

5.0 –

0

—

50

kHz

20 V

Clock Pulse Width

7

tw

5.0 –

10

—

20 V

—

µs

Set Pulse Width

Set Control Voltage, High State

Set Control Voltage, Low State

6

ts

—

10

—

6

—

—

VM

—

—

—

—

µs

—

V

0.5

2

MOTOROLA ANALOG IC DEVICE DATA

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