AP2191A Overview
The AP2181A and AP2191A are integrated high-side power switches optimized for Universal Serial Bus (USB) and other hot-swap applications. This family of devices plies with USB 2.0 and is available with both polarities of Enable input. The AP2181A and AP2191A offer current and thermal limiting and short circuit protection as well as controlled rise time and undervoltage lockout functionality.
AP2191A Key Features
- Single USB Port Power Switches
- Over-Current and Thermal Protection
- 2.1A Accurate Current Limiting
- Reverse Current Blocking
- 95mΩ On-Resistance
- Input Voltage Range: 2.7V
- 0.6ms Typical Rise Time
- Very Low Shutdown Current: 1µA (max)
- Fault Report (FLG) with Blanking Time (7ms typ)
- ESD Protection: 4kV HBM, 300V MM
