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A6850 PDF预览

A6850

更新时间: 2024-01-14 08:34:05
品牌 Logo 应用领域
急速微 - ALLEGRO 开关
页数 文件大小 规格书
9页 525K
描述
Dual Channel Switch Interface IC

A6850 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.53Is Samacsys:N
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:2功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
最大供电电压 (Vsup):26.5 V最小供电电压 (Vsup):4.75 V
标称供电电压 (Vsup):12 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

A6850 数据手册

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A6850  
Dual Channel Switch Interface IC  
Features and Benefits  
Description  
▪ꢀ 4.75ꢀtoꢀ26.5ꢀVꢀoperation  
The Allegro® A6850 is designed to interface between a  
microprocessor and a pair of 2-wire Hall effect sensors.  
The A6850 uses protected high-side low resistance DMOS  
MOSFETs to switch the supply voltage to the two Hall effect  
devices. Each switch can be controlled independently via  
▪ꢀ LowꢀVIN-to-VOUT voltage drop  
1
▪ꢀ  
/10 current sense feedback  
▪ꢀ Surviveꢀshort-to-batteryꢀandꢀshort-to-groundꢀfaults  
▪ꢀ Surviveꢀ40ꢀVꢀloadꢀdump  
▪ꢀ >4ꢀkVꢀESDꢀratingꢀonꢀtheꢀoutputꢀpins,ꢀ>2ꢀkVꢀonꢀallꢀotherꢀpins  
▪ꢀ Outputꢀcurrentꢀlimiting  
▪ꢀ LowꢀoperatingꢀandꢀSleepꢀmodeꢀcurrents  
▪ꢀ IntegratesꢀwithꢀAllegroꢀA114xꢀandꢀA118xꢀHallꢀeffectꢀ  
two-wire sensors  
individual ENABLE pins and both switches are protected  
with current-limiting circuitry. The output switches are rated  
to operate to 26.5 V and will source at least 25 mAper channel  
before current limiting.  
Typical two-wire Hall sensor applications require the user  
to measure the supply current to determine whether the Hall  
sensor is switched on (magnetic field present) or switched off  
(no magnetic field present). This is usually accomplished by  
using an external series shunt resistor and protection circuits  
for the microprocessor. In many systems, the sensed voltage is  
usedastheinputtoamicroprocessoranalog-to-digital(A-to-D)  
input. This provides the system with an indication of the status  
of the two-wire switch as well as provides the capability for  
diagnostic information if there is an open or shorted sensor.  
Package: 8 pin SOIC (suffix L)  
Approximate Scale 1:1  
Continued on the next page…  
Functional Block Diagram  
VIN  
ENABLE1  
ENABLE2  
Control  
Block  
SENSE1  
1
I
×
/
10  
OUTPUT1  
OUTPUT1  
Fault  
Detection  
SENSE2  
1
I
/
×
10  
OUTPUT2  
OUTPUT2  
Fault  
Detection  
GROUND  
6850-DS  

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