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Current-Limit Programmable USB Switch CXAS42289 CXAS42289A is a current-limited programmable USB switches optimized for applications that require precise current limit, or to provide up to 2.1A
发表时间：2025-10-22浏览次数：142
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Current-Limit Programmable USB Switch CXAS42289 CXAS42289A is a current-limited programmable USB switches optimized for applications that require precise current limit, or to provide up to 2.1A | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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目录产品概述 返回TOP The CXAS42289 CXAS42289A is a current-limited programmable USB switches optimized for applications that require precise current limit, or to provide up to 2.1A of continuous load current during heavy loads/short circuits. Thesedevices offer a programmable current-limit threshold between 75mA and 2.36A (Typ.) by an external resistor. ±6% current limit accuracy can be achieved at high current-limit settings. The rise and fall timesare 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 solutions, such as over-current protection,over-temperature protection and short-circuit protection, as well ascontrolled rise time and under-voltage lockout function. A7.5ms deglitch timeon the open-drain Flag output prevents falseover-current reporting. CXAS42289 CXAS42289Aoffers SOT23-5 packages.产品特点 返回TOP Up to 2.1A Maximum Load Current Accurate Programmable Current Limit, 75mA-2360mA ±6% Accurate Programmable Current Limit, 1.63A with RLIM=15kΩ JW7105:EN active high JW7105A:EN 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, and Thermal Protection ESD Protection: 2kV HBM, 500V CDM Available in SOT23-5Packages 应用范围 返回TOP Set-Top Boxes LCD TVs & Monitors Residential Gateways Laptops, Desktops, Servers, e-books, Printers, Docking Stations, HUBs 技术规格书（产品PDF) 返回TOP 需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
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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 ) | |||||
| CXAS42287 | 2.5 | 5.5 | Dual-Channel 6A | 80 | External | Active High | N | DFN3×2-14 |
| CXAS42288 | 2.7 | 5.5 | Adjustable | 100 | Internal | Active High | Y | SOT23-6 |
| CXAS42288A | 2.7 | 5.5 | Adjustable | 100 | Internal | Active Low | Y | SOT23-6 DFN2×2-6 |
| CXAS42289 | 2.7 | 5.5 | 2.5 | |||||
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