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Two-Port Automotive USB 2.0 Hub With Short-to-Battery Protection Reference Design (TIDA-00845)

TIDA-00845 is a dual-port USB 2.0 hub with the ability to withstand a short of up to 18-V DC on both downstream ports, as well as Level 4 IEC 61000-4-2 ESD protection, overcurrent conditions, and shorts to ground. This protection is provided by an integrated protection device -the TPD3S714-Q1. With short-to-battery (STB) protection, short-circuit protection, and a fixed current-limit load switch on both downstream ports, the TUSB4020BI USB 2.0 hub is isolated and protected from overvoltage and overcurrent conditions. Downstream port 1 includes a STB test simulator for applying 18-V DC, and two TPD3S714-Q1s to protect both the hub and a peripheral for easily demonstrating USB STB protection functionality.

Возможности

Fully functional USB hub with built-in short-to-battery test simulator on downstream port 1 Short-to-battery protection (up to 18 V) on VBUS, DP/DM Overcurrent protection current limit: 550 mA IEC 61000-4-2 (Level 4) system-level ESD protection at VBUS, DP/DM Short-to-ground protection on VBUS

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Two-Port Automotive USB 2.0 Hub With Short-to-Battery Protection Reference Design TIDA-00845

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