A8936CLW

更新时间： 2025-08-30 22:26:51

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器运动控制电子器件信号电路光电二极管电动机控制电机
页数	文件大小	规格书
10页	104K
描述
VOICE COIL MOTOR DRIVER

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A8936CLW 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	SOIC-28
针数：	28	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.92	Is Samacsys：	N
模拟集成电路 - 其他类型：	VOICE COIL MOTOR CONTROLLER	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e0	长度：	17.9 mm
功能数量：	1	端子数量：	28
最高工作温度：	70 °C	最低工作温度：
最大输出电流：	0.6 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP28,.4
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
电源：	5 V	认证状态：	Not Qualified
座面最大高度：	2.65 mm	子类别：	Motion Control Electronics
最大供电电流 (Isup)：	10 mA	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	4.5 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	温度等级：	COMMERCIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
宽度：	7.5 mm	Base Number Matches：	1

A8936CLW 数据手册

8936

INTERIM DATA SHEET

VOICE COIL MOTOR DRIVER

(Subject to change without notice)

8936

March 16, 1993

VOICE COIL MOTOR DRIVER

Providing control and drive of the voice coil motor used for head

positioning in 5 V disk drive applications, the A8936C— is a full-bridge

driver which can be configured so that its output current is a direct

function of an externally applied control voltage or current. This linear

current control function is supplemented by additional circuitry to

protect the heads and the data disk during system failure or normal

system shutdown. An under- or over-velocity sense disables the

system in a controlled sequence if a fault condition occurs.

A8936CLW

RET REF

RET SET

FLT

SENS

PROTECT

CIRCUIT

VEL FLT

BEMF

WINDOW

COMP.

GROUND

SENS FB

SGND

SET

REF

OUT

The two ±500 mA MOS driver outputs provide very low saturation

voltage and minimal power dissipation. Additional headroom is

achieved by the sense-FET structure eliminating the need for an

external current-sense resistor. Thermal protection and under-voltage

lockout disables the system in a controlled sequence if a fault condi-

tion occurs.

OUT P

–

REF

LOAD

SUPPLY

OUT

EN VEL FLT

OUT

SGND

ACT

VEL

PWR OFF

H GAIN

RETRACT

FAULT

PROTECT

CIRCUIT

REFERENCE

ACT

RESET

–

SIGNAL

SUPPLY

FEATURES

■ Over-Velocity Fault Function

Dwg. PP-046A

■ Lossless Current Sensing

ABSOLUTE MAXIMUM RATINGS

■ Zero Deadband

■ High Transconductance Bandwidth

■ User-Adjustable Transconductance Gain

■ Digital Transconductance Gain Switch (4:1 Ratio)

■ 5 Volt Monitor with Selectable UV Trip Point

■ Retract Circuitry Functional to 0 Volts

■ Chip Enable/Sleep Mode Function

■ 1 V at 500 mA Output Saturation Voltage

■ Internal Thermal Shutdown Circuitry

Supply Voltages, V_CCand V_DD........... 6.0 V

Output Current, I_OUT(peak) .......... ±600 mA

(continuous) ........................... ±500 mA

Analog Input Voltage Range,

V_IN................................... -0.3 V to V_CC

Logic Input Voltage Range,

V_IN............................... -0.3 V to +6.0 V

Package Power Dissipation,

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

Operating Temperature Range,

T_A..................................... 0°C to +70°C

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

Storage Temperature Range,

T_S................................-55°C to +150°C

† Fault conditions that produce excessive

junction temperature will activate device thermal

shutdown circuitry. These conditions can be

tolerated, but should be avoided.

Always order by complete part number:

Output current rating may be restricted to a value

determined by system concerns and factors.

These include: system duty cycle and timing,

ambient temperature, and use of any heatsinking

and/or forced cooling. For reliable operation the

specified maximum junction temperature should

not be exceeded.

Part Number Package

A8936CJT

A8936CLW

64-Lead Thin Quad Flatpack

28-Lead SOIC

MicroSystems, Inc.

12 3 4 5 6 7...10

中文翻译

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