SLA7060MLF210 ALLEGRO [Allegro MicroSystems], SLA7060MLF210 Datasheet

SLA7060MLF210

Manufacturer Part Number

SLA7060MLF210

Description

UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS

Manufacturer

ALLEGRO [Allegro MicroSystems]

Datasheet

1.SLA7060MLF210.pdf (16 pages)

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Driver Supply Voltage, V

Load Supply Voltage, V

Output Current, I

Logic Supply Voltage, V

Logic Input Voltage Range,

Sense Voltage, V

Reference Input Voltage Range,

Package Power Dissipation,

Junction Temperature, T

Operating Temperature Range,

Storage Temperature Range,

* Output current rating may be limited by duty cycle,

ambient temperature, and heat sinking. Under any set of

conditions, do not exceed the specified current rating or

junction temperature.

† Internal filtering provides protection against transients

during the first 1 µs of the current-sense pulse.

(subject to change without notice)

PRELIMINARY INFORMATION

SLA7060M ................................. 1.0 A*

SLA7061M ................................. 2.0 A*

SLA7062M ................................. 3.0 A*

REF ..................................

.......................... -0.3 V to V

....................................... See Graph

................................. -20°C to +85°C

............................... -30°C to +150°C

BSOLUTE

September 24, 2003

........................ ±2.0 V†

AXIMUM

-0.3 V to V

.................. 46 V

............. +150°C

................ 46 V

............... 7.0 V

ATINGS

+ 0.3 V

SLA7060M

SLA7062M

power FET outputs, the Series SLA7060M translator/drivers provide

complete control and drive for a two-phase unipolar stepper motor with

internal fixed off time and pulse-width modulation (PWM) control of

the output current in a power multi-chip module (PMCM™). There are

no phase-sequence tables, high-frequency control lines, or complex

interfaces to program.

control, synchronous/asynchronous PWM operation, and a “sleep”

function. The minimum CLOCK input is an ideal fit for applications

where a complex µP is unavailable or overburdened. TTL or LSTTL

may require the use of appropriate pull-up resistors to ensure a proper

input-logic high. For PWM current control, the maximum output

current is determined by the user’s selection of a reference voltage and

sensing resistor. The NMOS outputs are capable of sinking up to 1, 2,

or 3 A (depending on device) and withstanding 46 V in the off state.

Clamp diodes provide protection against inductive transients. Special

power-up sequencing is not required.

selectable for the SLA7060/61/62M. Half-step excitation alternates

between the one-phase and two-phase modes (AB-B-AB-A-AB-B-AB-

A), providing an eight-step sequence.

tab package with leads formed for vertical mounting (suffix LF2102).

The tab is at ground potential and needs no insulation. For high-current

or high-frequency applications, external heat sinking may be required.

This device is rated for continuous operation between -20°C and

+85°C.

Always order by complete part number, e.g., SLA7060MLF2102

EATURES

Combining low-power CMOS logic with high-current, high-voltage

The CMOS logic section provides the sequencing logic, direction,

Half-, quarter-, eighth-, and sixteenth-step operation are externally

The Series SLA7060M is supplied in a 21-pin single in-line power-

To 3 A Output Rating

Internal Sequencer for Microstepping Operation

PWM Constant-Current Motor Drive

Cost-Effective, Multi-Chip Solution

100 V, Avalanche-Rated NMOS

Low r

Advanced, Improved Body Diodes

Inputs Compatible with 3.3 V or 5 V Control Signals

Sleep Mode

Internal Clamp Diodes

DS(on)

UNIPOLAR STEPPER-MOTOR

NMOS Outputs

TRANSLATOR/DRIVERS

THRU

Related parts for SLA7060MLF210

SLA7060MLF210 Summary of contents

Page 1

... Internal Sequencer for Microstepping Operation PWM Constant-Current Motor Drive Cost-Effective, Multi-Chip Solution 100 V, Avalanche-Rated NMOS Low r NMOS Outputs DS(on) Advanced, Improved Body Diodes Inputs Compatible with 3 Control Signals Sleep Mode Internal Clamp Diodes Always order by complete part number, e.g., SLA7060MLF2102 THRU TRANSLATOR/DRIVERS . ...

Page 2

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS 2 Functional block diagram Recommended operating conditions Load Supply Voltage, V Logic Supply Voltage, V Reference Input Voltage, V Tab Temperature (no heat sink), T 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) ...

Page 3

Electrical characteristics: unless otherwise noted at T Characteristic Symbol Output drivers Driver Supply Volt. Range V BB Drain-Source Breakdown V (BR)DS Output On Resistance r DS(on) Body Diode Forward Volt. V Driver Supply Current I BB Control logic Logic Supply ...

Page 4

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS 4 Logic input timing 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 ...

Page 5

UNIPOLAR STEPPER-MOTOR Typical MOSFET characteristics SLA7060M T [°C] L SLA7061M T [°C] L SLA7062M T [°C] L SLA7060M SLA7062M THRU TRANSLATOR/DRIVERS 5 ...

Page 6

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS 6 Typical body diode characteristics SLA7060M T [°C] L SLA7061M T [°C] L SLA7062M T [°C] L 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 ...

Page 7

Device operation. These devices are complete microstepping motor drivers with built in translator for easy operation with minimal control lines. They are designed to operate unipolar stepper motors in half-, quarter-, eighth-, and sixteenth-step modes. The current in each of ...

Page 8

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS Half Quarter Step # Step # Home ...

Page 9

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS Half-step output current waveshapes. For illustra- tive purposes, phase current (unipolar drive) is shown as negative current. Quarter-step output current waveshapes. For illustrative purposes, phase current (unipolar ...

Page 10

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS 10 Eighth-step output current waveshapes. For illustrative purposes, phase current (unipolar drive) is shown as negative current. Sixteenth-step output current waveshapes. For illustrative purposes, phase current (unipolar drive) ...

Page 11

Layout. The printed wirting board should use a heavy ground plane. For optimum electrical and thermal performance, the driver should be soldered directly into the board. The driver supply terminal, VBB, should be decoupled with an electrolytic capacitor (>47 µF ...

Page 12

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS Reference voltage. In the Typical Application shown, resistors R and R set the reference voltage as )/(R = REF DD 2 The trimming of R allows for the ...

Page 13

The figure provides a normalized on-resistance curve, and all thermal calculations should consider increases from the given +25°C limits, which may be caused by internal heating during normal operation. These power MOSFET outputs feature ...

Page 14

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS Terminal list Terminal Pin Name Terminal Description 1, 2 OUTA Driver outputs for phase OUTA\ Driver outputs for phase A\ 5 SENSEA Phase A current sense 6 VDD Logic power supply, ...

Page 15

NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown. 2. Lead spacing tolerance is non-cumulative. 3. Recommended mounting hardware torque: 0.490 - 0.822 Nm. 4. Recommended use of metal-oxide-filled, alkyl-degenerated oil-base silicone grease: Dow Corning SC102, ...

Page 16

SLA7060M SLA7062M THRU UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS 16 Packing information 18 devices per stick/tube. A rubber stopper is provided at each end of the stick/tube. 20 sticks/tubes in Y direction; 3 layers of sticks/tubes in Z direction = 1080 devices per ...

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