Datasheet > SLA7062

SLA7062

更新时间： 2024-09-24 22:43:07

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器电机
页数	文件大小	规格书
16页	397K
描述
UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS

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SLA7062 数据手册

PRELIMINARYINFORMATION

(subject to change without notice)

September 24, 2003

SLA7060M THRU

SLA7062M

UNIPOLAR STEPPER-MOTOR

TRANSLATOR/DRIVERS

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

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.

The CMOS logic section provides the sequencing logic, direction,

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.

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

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.

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

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.

ABSOLUTE MAXIMUM RATINGS

Driver Supply Voltage, V_BB................ 46 V

Load Supply Voltage, V_M.................. 46 V

Output Current, I_O

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

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

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

Logic Supply Voltage, V_DD............... 7.0 V

Logic Input Voltage Range,

V_I.......................... -0.3 V to V_DD+ 0.3 V

Sense Voltage, V_S........................ ±2.0 V†

Reference Input Voltage Range,

V_REF^{..................................}-0.3 V to V_DD+ 0.3 V

Package Power Dissipation,

P_D....................................... See Graph

Junction Temperature, T_J............. +150°C

Operating Temperature Range,

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

Storage Temperature Range,

FEATURES

ꢀ

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_DS(on)NMOS Outputs

Advanced, Improved Body Diodes

Inputs Compatible with 3.3 V or 5 V Control Signals

Sleep Mode

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

* 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.

Internal Clamp Diodes

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

12 3 4 5 6 7...16

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与SLA7062相关器件

型号	品牌	获取价格	描述	数据表
SLA7062M	ALLEGRO	获取价格	UNIPOLAR STEPPER-MOTOR TRANSLATOR/DRIVERS
SLA7062M	SANKEN	获取价格	2-Phase Unipolar Stepper Motor Driver
SLA7062MLF2102	ALLEGRO	获取价格	Stepper Motor Controller, 3A, CMOS, SIP-21
SLA7062MLF2102	SANKEN	获取价格	Stepper Motor Controller, 3A, SIP-21
SLA7065M	SANKEN	获取价格	2-Phase Unipolar Stepper Motor Driver
SLA7065MLF2102	ALLEGRO	获取价格	Stepper Motor Controller, 1A, PZFM21, SIP-21
SLA7066M	SANKEN	获取价格	2-Phase Unipolar Stepper Motor Driver
SLA7067M	SANKEN	获取价格	2-Phase Unipolar Stepper Motor Driver
SLA7067MLF2102	ALLEGRO	获取价格	Stepper Motor Controller, 3A, PZFM21, SIP-21
SLA7070M	ALLEGRO	获取价格	Motor Driver IC Family

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