CXAS42290A CXAS42290A-1 CXAS42290A-2是一款单通道限流电源开关，针对通用串行总线（USB）和其他热插拔应用程序进行了优化。控制上升和下降时间，以在开关过程中最小化电流过冲或过冲。该装置具有快速的短路响应时间，提高了系统的整体鲁棒性。它提供了完整的保护方案，如过电流保护、过温保护和短路保护，以及可控上升时间和欠压闭锁功能。开路漏极标志输出上的7.5ms故障消除时间可防止错误的过电流报告。
50mΩ集成N-MOSFET开关
精确电流限制
FLG：有效低
过流期间的恒定电流
快速短路响应时间：2μs（典型值）
工作范围：2.7V-5.5V
内置软启动，典型上升时间为3ms
过电流、输出过电压和热保护
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[ CXAS42290A ]
目录
7.相关产品
产品概述 返回TOP
The CXAS42290A CXAS42290A-1 CXAS42290A-2 is a single channel current-limited power switch optimized for Universal Serial Bus (USB) and other hot-swap applications. The rise and fall times are controlled to minimize current overshoot or undershoot during switches on/off. The device has fast short-circuit response time for improved overall system robustness. It provides a complete protection solution, such as over-current protection, over-temperature protection and short-circuit protection, as well as controlled rise time and under-voltage lockout function. A7.5ms de-glitch time on the open-drain Flag output prevents false over-current reporting. CXAS42290A CXAS42290A-1 CXAS42290A-2 offers SOT23-5 package.
产品特点 返回TOP
50mΩ Integrated N-MOSFET Switch
Accurate Current Limit
FLG: active low
Constant-Current During Over-Current
Fast Short-Circuit Response Time: 2μs (typ.)
Operating Range: 2.7V - 5.5V
Built-in Soft-Start with 3ms Typical Rise Time
Over-Current, Output Over-Voltage and Thermal Protection
Fault Report (FAULT) with De-glitch Time
UL Recognized, File Number E497605
IEC Recognized, File Number DK-69902-UL
ESD Protection: 2kV HBM, 500V CDM
Available in SOT23-5, SOT23-6 and DFN2X2-6Packages
应用范围 返回TOP
Set-Top Boxes
LCD TVs & Monitors
Residential Gateways
Laptops, Desktops, Servers, e-books, Printers, Docking
Stations, HUBs
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产品封装图 返回TOP
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电路原理图 返回TOP
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负载开关 |
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|
P/N |
Vin Min |
Vin Max |
输出电流 |
静态电流 |
软启动 |
启动 |
过流保护 |
封装 |
|
( V ) |
( V ) |
( A ) |
( uA ) |
|||||
|
2.5 |
5.5 |
Dual-Channel 6A |
80 |
External |
Active High |
N |
DFN3×2-14 |
|
|
2.7 |
5.5 |
Adjustable |
100 |
Internal |
Active High |
Y |
SOT23-6 |
|
|
2.7 |
5.5 |
Adjustable |
100 |
Internal |
Active Low |
Y |
SOT23-6 DFN2×2-6 |
|
|
2.7 |
5.5 |
2.5 |
100 |
Internal |
Active High |
Y |
SOT23-5 DFN2×2-6 |
|
|
2.7 |
5.5 |
2.5 |
100 |
Internal |
Active Low |
Y |
SOT23-5 |
|
|
2.7 |
5.5 |
3 |
80 |
Internal |
Active High |
Y |
SOT23-5 |
|
|
2.7 |
5.5 |
1 |
80 |
Internal |
Active High |
Y |
SOT23-5 |
|
|
2.7 |
5.5 |
2 |
80 |
Internal |
Active High |
Y |
SOT23-5 |
|
|
2.7 |
5.5 |
3 |
80 |
Internal |
Active Low |
Y |
SOT23-5 |
|
|
CXAS42290A-1 |
2.7 |
5.5 |
1 |
80 |
Internal |
Active Low |
Y |
SOT23-5 |
|
CXAS42290A-2 |
2.7 |
5.5 |
2 |
80 |
Internal |
Active Low |
Y |
SOT23-5 |
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