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SA57AHU-FH PDF预览

SA57AHU-FH

更新时间: 2024-11-25 21:17:07
品牌 Logo 应用领域
凌云 - CIRRUS 电动机控制光电二极管
页数 文件大小 规格书
12页 864K
描述
Brush DC Motor Controller, 17A, CMOS, PDSO44, ROHS COMPLIANT, HSOP-44

SA57AHU-FH 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SOIC包装说明:SOP, SSOP44,.55
针数:44Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.17模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G44功能数量:1
端子数量:44最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:17 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SSOP44,.55封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5,9/60 V认证状态:Not Qualified
子类别:Motion Control Electronics最大供电电流 (Isup):30 mA
最大供电电压 (Vsup):55 V最小供电电压 (Vsup):8.5 V
标称供电电压 (Vsup):50 V表面贴装:YES
技术:CMOS温度等级:AUTOMOTIVE
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

SA57AHU-FH 数据手册

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SA57A  
P r o d u c t I n n o v a t i o n F r o m  
Switching Amplifier  
FEATURES  
DESCRIPTION  
The SA57A is a fully integrated switching amplifier de-  
signed primarily to drive DC brush motors. Two inde-  
pendent half bridges provide over 15 amperes peak  
output current under microcontroller or DSC control.  
Thermal and short circuit monitoring is provided, which  
generates fault signals for the microcontroller to take  
appropriate action. A block diagram is provided in Fig-  
ure 1.  
♦ Low cost intelligent switching amplifier  
♦ Directly connects to most embedded Micro-  
controllers and Digital Signal Controllers  
♦ Integrated gate driver logic with dead-time  
generation and shoot-through prevention  
♦ Wide power supply range (8.5V to 60V)  
♦ Over 15A peak output current per phase  
♦ Independent current sensing for each output  
♦ User programmable cycle-by-cycle current  
limit protection  
Additionally, cycle-by-cycle current limit offers user  
programmable hardware protection independent of  
the microcontroller. Output current is measured using  
an innovative low loss technique. The SA57A is built  
using a multi-technology process allowing CMOS logic  
control and complementary DMOS output power de-  
vices on the same IC. Use of P-channel high side FETs  
enables 60V operation without bootstrap or charge  
pump circuitry.  
♦ Over-current and over-temperature warning  
signals  
APPLICATIONS  
♦ Bidirectional DC brush motors  
♦ 2 unidirectional DC brush motors  
♦ 2 independent solenoid actuators  
♦ Stepper motors  
The HSOP surface mount package balances excellent  
thermal performance with the advantages of a low pro-  
file surface mount package.  
FIGURE 1. BLOCK DIAGRAM  
VS  
+
VDD  
VS1  
VS  
2
SC  
TEMP  
VDD  
VDD  
I1'  
I2'  
Fault  
Logic  
ILIM/DIS1  
I1  
I2  
I1'  
I2'  
Gate  
Control  
DIS2  
1t  
Out 1  
Out 2  
Phase 1  
1b  
PWM  
Signals  
Control  
Logic  
2t  
Phase 2  
2b  
SGND  
SA57 Switching Amplifier  
PGND 1  
PGND 2  
GND  
Copyright © Cirrus Logic, Inc. 2011  
(All Rights Reserved)  
MAR 2011  
APEX − SA57UREVE  
www.cirrus.com  

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