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FEATURES

ABLE TO DRIVE BOTH WINDINGS OF A

BIPOLAR STEPPER MOTOR OR TWO DC

MOTORS

OUTPUT CURRENT UP TO 1.2A EACH

WINDING

WIDE VOLTAGE RANGE: 12V TO 40V

FOUR QUADRANT CURRENT CONTROL,

IDEAL FOR MICROSTEPPING AND DC

MOTOR CONTROL

PRECISION PWM CONTROL

NO NEED FOR RECIRCULATION DIODES

TTL/CMOS COMPATIBLE INPUTS

CROSS CONDUCTION PROTECTION

THERMAL SHUTDOW

Figure 1. Package

鈻?/div>

PowerSO36

鈻?/div>

Table 1. Order Codes

Part Number

L6258E

(Replaced by

L6258EX)

Package

PowerSO36

鈻?/div>

2

DESCRIPTION

L6258E is a dual full bridge for motor control applica-

tions realized in BCD technology, with the capability

of driving both windings of a bipolar stepper motor or

bidirectionally control two DC motors.

L6258E and a few external components form a com-

Figure 2. Block Diagram

R

1

1M

R

C1

C

P

VCP1

VCP2

EA_IN1

plete control and drive circuit. It has high efficiency

phase shift chopping that allows a very low current

ripple at the lowest current control levels, and makes

this device ideal for steppers as well as for DC mo-

tors.The power stage is a dual DMOS full bridge ca-

pable of sustaining up to 40V, and includes the

diodes for current recirculation.The output current ca-

pability is 1.2A per winding in continuous mode, with

peak start-up current up to 1.5A. A thermal protection

circuitry disables the outputs if the chip temperature

exceeds the safe limits.

C

C1

EA_OUT1

TRI_0

VS

C

BOOT

VBOOT

CHARGE

PUMP

V

R

+

INPUT

&

SENSE

AMP

-

+

-

+

-

ERROR

AMP

TRI_180

C

POWER

BRIDGE

1

OUT1A

VREF1

I3_1

I2_1

I1_1

I0_1

PH_1

V

DD

(5V)

DAC

C

OUT1B

SENSE1B

R

s

SENSE1A

VR GEN

V

R

(V

DD

/2)

THERMAL

PROT.

DISABLE

VS

VREF1

I3_2

I2_2

I1_2

I0_2

PH_2

TRI_CAP

C

FREF

TRIANGLE

GENERATOR

TRI_0

TRI_180

DAC

V

R

INPUT

&

SENSE

AMP

+

-

ERROR

AMP

TRI_0

+

-

+

C

POWER

BRIDGE

2

OUT2A

TRI_180

-

C

OUT2B

SENSE2B

R

s

SENSE2A

GND

EA_IN2

R

C2

R

2

1M

EA_OUT2

D96IN430D

C

C2

September 2004

Rev. 7

1/24

標(biāo)準(zhǔn)包裝
310
類別
集成電路 (IC)
家庭
PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動器
系列
-
應(yīng)用
直流電機(jī)驅(qū)動器，步進(jìn)電機(jī)驅(qū)動器
評估套件
-
輸出數(shù)
2/1
電流 - 輸出
1.5A
電壓 - 負(fù)載
12 V ~ 40 V
電源電壓
4.75 V ~ 5.25 V
工作溫度
-
安裝類型
表面貼裝
封裝/外殼
PowerSO-36 裸露底部焊盤
供應(yīng)商設(shè)備封裝
PowerSO-36
包裝
管件
其它名稱
497-3702-5E-L6258EX

L6258EX相關(guān)型號PDF文件下載

型號

版本

描述

廠商

下載
L625

英文版

Interface IC

ETC

L625
L6254

英文版

12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO”

L6254
L6254

英文版

12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO”

STMICROELECTRON...

L6254
L6256

英文版

12V COMBO

L6256
L6256

英文版

12V COMBO

STMICROELECTRON...

L6256
L6258

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

L6258
L6258

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

STMICROELECTRON...

L6258
L6258A

英文版

Stepper Motor Controller/Driver

ETC

L6258A
L6258E

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

L6258E
L6258E

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

STMICROELECTRON...

L6258E
L6258EA

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

ST

L6258EA
L6258EP

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

L6258EP
L6258EP

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

STMICROELECTRON...

L6258EP
L6258EX

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

L6258EX
L6258EX

英文版

PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER

STMICROELECTRON...

L6258EX
L6258_07

英文版

PWM controlled high current DMOS universal motor driver

STMICROELECTRON...

L6258_07
L6258E_07

英文版

PWM controlled high current DMOS universal motor driver

STMICROELECTRON...

L6258E_07
L6258EP_07

英文版

PWM controlled high current DMOS universal motor driver

STMICROELECTRON...

L6258EP_07
L6258EX_07

英文版

PWM controlled high current DMOS universal motor driver

STMICROELECTRON...

L6258EX_07

L6258EX Datasheet

PDF預(yù)覽

L6258EX 產(chǎn)品屬性

L6258EX相關(guān)型號PDF文件下載

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L6258EX Datasheet

PDF預(yù)覽

L6258EX 產(chǎn)品屬性

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