SLA7073MR [SANKEN]

2-Phase/1-2 Phase Excitation Support, Built-in Sequencer;


型号：	SLA7073MR
厂家：	SANKEN ELECTRIC
描述：	2-Phase/1-2 Phase Excitation Support, Built-in Sequencer 局域网电动机控制
文件：	总2页 (文件大小：66K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

1-2-1 2-Phase Stepper Motor Unipolar Driver ICs

SLA7070MR, MPR, MPRT/7071MR, MPR, MPRT/7072MR, MPR, MPRT/7073MR, MPR, MPRT

2-Phase/1-2 Phase Excitation Support, Built-in Sequencer

■Features

■Absolute Maximum Ratings

• Lineup of built-in current sense resistor and

built-in protection circuit-type

Parameter

Symbol

Ratings

Unit

Remarks

Motor Supply Voltage

Driver Supply Voltage

Logic Supply Voltage

Output Current

• Power supply voltages, VBB: 46 V (max), 10 to

44 V normal operating range

VDD

• Logic supply voltages, V^DD: 3.0 to 5.5 V

Mode F

Logic Input Voltage

REF Input Voltage

Sense Voltage

REF

–0.3 to VDD+0.3

±2

• Maximum output currents: 1 A, 1.5 A, 2 A, and

3 A

Excluding tw<1µs

• Built-in sequencer

Power Dissipation

4.7

When T

= 25°C

• Self-excitation PWM current control with fixed

off-time

When T

Junction Temperature

Operating Ambient Temperature

Storage Temperature

+150

°C

• Synchronous PWM chopping function

prevents motor noise in Hold mode

–20 to +85

–30 to +150

Tstg

• Sleep mode for reducing the IC input current

in stand-by state

*1: Output current value may be limited for the SLA7070MR, MPR, MPRT (1.0 A), SLA7071MR, MPR, MPRT (1.5 A),

SLA7072MR, MPR, MPRT (2.0 A), and SA7073MR, MPR, MPRT (3.0 A), depending on the duty ratio, ambient

temperature, and heating conditions.

• ZIP type 23-pin molded package (SLA

package)

Be sure that junction temperature of T^jis not exceeded under any circumstances.

■Recommended Operating Conditions

Rating

Parameter

Symbol

Unit

Remarks

min.

max.

Motor Supply Voltage

VBB

VDD

Driver Supply Voltage

Logic Supply Voltage

Case Temperature

3.0

5.5

The VDD surge voltage should be 0.5 V or lower

Temperature at Pin-12 Lead (without heatsink)

°C

■Electrical Characteristics

Ratings

Parameter

Symbol

Unit

Conditions

min.

100

typ.

max.

100

µA

In operation

Sleep 1 and Sleep 2 modes

BBS

V(BR)DSS

Main Supply Current

Logic Supply Current

VBB=44V, ID=1mA

Output MOSFET Breakdown Voltage

0.7

0.45

0.25

0.18

0.85

1.0

0.85

0.6

0.4

0.24

1.1

1.25

1.2

SLA7070M, I

SLA7071M, I

SLA7072M, I

SLA7073M, I

SLA7070M, I

SLA7071M, I

SLA7072M, I

SLA7073M, I

D=1.0A

D=1.5A

D=2.0A

D=3.0A

D=1.0A

D=1.5A

D=2.0A

D=3.0A

DS(ON)

Ω

Output MOSFET ON Resistance

Output MOSFET Diode Forward Voltage

0.95

2.1

250

kHz

When Clock Duty = 50%

Maximum Clock Frequency

Logic Input Voltage

Fclock

0.25VDD

0.75VDD

±1

µA

Logic Input Current

0.04

0.3

0.45

0.4

0.45

VDD

SLA7070M, within the current setting range

SLA7071M, within the current setting range

SLA7072M, within the current setting range

SLA7073M, within the current setting range

Output OFF (Sleep 1)

REF

REF Input Voltage

REFS

REF

SENSE

±10

µA

µS

REF Input Current

Sense Voltage

Sleep-Enable Recovery Time

REF

When step reference current ratio is 100%

Sleep1&Sleep2

Clock → Out ON

100

2.0

1.5

con

Switching Time

Clock → Out OFF

coff

0.296

0.199

0.150

0.65

0.305

0.205

0.155

0.7

0.314

0.211

0.160

0.75

SLA7070M, tolerance of ±3%

SLA7071M, tolerance of ±3%

SLA7072M, tolerance of ±3%

SLA7073M, tolerance of ±3%

SLA7070xMPR, MPRT, when motor coil shorts out

SLA7070MPR, MPRT/7071MPR, MPRT

SLA7072MPR, MPRT

Ω

Sense Resistance

Overcurrent Sense Voltage

Overcurrent Sense Current

Vocp

Iocp

2.3

3.5

4.6

SLA7073MPR, MPRT

140

°C

SLA707xMPRT, Rear of case (at the saturation temperature)

SLA707xMPR, MPRT, IFlagL=1.25mA

SLA707xMPR, MPRT, IFlagH=–1.25mA

Thermal Protection Temperature

Flag Output Voltage

tsd

FlagL

FlagH

FlagL

FlagH

1.25

1.25–VDD

–1.25

Flag Output Current

SLA707xMPR, MPRT

100

70.7

3.2

µs

ModeF

Mode8

ton(min)

toff

Step Reference Current Ratio

PWM Minimum ON Time

PWM OFF Time

* The direction in which current flows out of the device is regarded as negative.

ICs

SLA7070MR, MPR, MPRT/7071MR, MPR, MPRT/7072MR, MPR, MPRT/7073MR, MPR, MPRT

■Internal Block Diagram

■Pin Assignment

Pin No.

Symbol

Function

Phase A output

OutA

OutA/

16 10 15

20 21 22 23

SenseA

N.C.

Phase A current sense

N.C.

Reg

MIC

Excitation mode/Sleep 2 setting input

Pre-

Driver

Pre-

Driver

Sequencer

Sleep Circuit

Clock

Step Clock input

Protect

VBB

Driver supply (motor supply)

Device GND

Gnd

DAC

Ref/Sleep1

Control current mode/Sleep 1 setting input

Logic supply

–

Synchro

Control

–

SenseA

SenseB

Reset

CW/CCW

Sync

Internal logic reset input

Normal/reverse control input

PWM control signal input

Protection circuit monitor output^*1

Phase B current sense

PWM

Control

PWM

Control

OSC

Flag^*1

SenseB

OutB/

OutB

Phase B current output

The protect circuit is deleted and the flag pin is N.C. for SLA7070MR, 7071MR, 7072MR, and 7073MR.

*1: N.C. pin for SLA7070MR, 7071MR, 7072MR, and 7073MR.

■Typical Connection Diagram

■External Dimensions (ZIP23 with Fin[SLA23Pin])

31^±0.2

Vs=10V to 44V

24.4^±0.2

16.4^±0.2

4.8^±0.2

1.7^±0.1

Gate burr

3.2^±0.15× 3.8

Vcc=3.0V to 5.5V

OutA OutA

±0.15

3.2

OutB OutB

VDD

2.45^±0.2

Reset

Clock

CW/CCW

(Measured at

the root)

4–(R1)

SLA7070M Series

(2-phase/1-2 phase

excitation)

Micro-

computer,

etc.

R-end

Sync

+0.2

N.C.

0.65

–0.1

+0.2

0.55

–0.1

Flag

22 × P1.27^±0.5= 27.94^±1

Ref/Sleep1

4.5^±0.7

SenseA

Gnd

SenseB

(Measured at the tip)

31.3^±0.2

(Including the resin burr)

One-point

Gnd

Forming No. No.2151

Logic Gnd

Power Gnd

Product Mass : Approx.6g

* There is no Flag pin (Pin-18) for SLA7070MR, 7071MR, 7072MR, and 7073MR.

ICs

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