Datasheet Power Management Switch ICs for PCs and Digital Consumer Products 1ch Small Package High Side Switch ICs for USB Devices and Memory Cards BD2248G Description Key Specifications BD2248G is low on-resistance N-channel MOSFET Input voltage range: 2.7V to 5.5V high-side power switches, optimized for Universal ON resistance: (VIN=5V) 110m(Typ.) Serial Bus (USB) applications. BD2248G is equipped Over current threshold: 0.2A min., 0.4A max. with the function of over-current detection, thermal Standby current: 0.01 A (Typ.) shutdown, under-voltage lockout and soft-start. Operating temperature range: -40 to +85 Features Reverse Current Protection when Power Switch Off Output Discharge Function Package (Typ.) (Typ.) (Max.) Over-Current Detection SSOP5 2.90mm x 2.80mm x 1.25mm Thermal Shutdown Open-Drain Fault Flag Output Under-Voltage Lockout Soft-Start Circuit Control Input Logic Active-High ESD protection Applications USB hub in consumer appliances, Car accessory, PC, PC peripheral equipment, and so forth SSOP5 Typical Application Circuit 5V (Typ.) 3.3V VIN VOUT IN C + GND CL 10k~ - 100k EN /OC Figure 1. Typical Application Circuit Product structureSilicon monolithic integrated circuit This product is not designed protection against radioactive rays www .rohm.com TSZ02201-0E3E0H300010-1-2 2012 ROHM Co., Ltd. All rights reserved. 1/20 TSZ2211114 001 25.JUL.2012 Rev.001DatasheetDatasheet BD2248G Block Diagram Figure 2. Block Diagram Pin Configuration 1 VIN VOUT 5 2 GND 3 4EN /OC Figure 3. Pin Configuration (TOP VIEW) Pin Descriptions Pin No. Symbol I/O Function 1 VIN - Switch input and the supply voltage for the IC. 2 GND - Ground. Enable input. 3 EN I High level input turns on the switch. Over-current notification terminal. 4 /OC O Low level output during over-current or over-temperature condition. Open-drain fault flag output. 5 VOUT O Switch output. www.rohm.com TSZ02201-0E3E0H300010-1-2 2012 ROHM Co., Ltd. All rights reserved. 2/20 TSZ2211115 001 25.JUL.2012 Rev.001