Datasheet 1ch Small Package High Side Switch ICs for USB Devices and Memory Cards BD2220G-LB BD2221G-LB General Description Key Specifications This is the product guarantees long time support in Input voltage range: 2.7V to 5.5V Industrial market. ON resistance: 160m(Typ.) BD2220G and BD2221G are low on-resistance Over current threshold: 0.5A min., 1.0A max. N-channel MOSFET high-side power switches, Standby current: 0.01 A (Typ.) optimized for Universal Serial Bus (USB) applications. Operating temperature range: -40 to +85 BD2220G and BD2221G are equipped with the function of over-current detection, thermal shutdown, Package W(Typ.) D (Typ.) H (Max.) under-voltage lockout and soft-start. SSOP5 2.90mm x 2.80mm x 1.25mm Features Long time support a product for Industrial applications. Low On-Resistance (Typ. 160m) N-channel MOSFET Built-in Over-Current Detection (Output off-latch operation) Thermal Shutdown Open-Drain Fault Flag Output Under-Voltage Lockout SSOP5 Soft-Start Circuit Control Input Logic Active-High : BD2220G Active-Low : BD2221G Reverse Current Protection when Power Switch Off Applications Industrial Equipment, USB hub in consumer appliances, Car accessory, PC, PC peripheral equipment, and so forth Typical Application Circuit 5V (Typ.) 3.3V VIN VOUT CIN + GND L C 10k~ - 100k EN /OC Lineup Over current detection Control input logic Package Orderable Part Number Min. Typ. Max. 0.5A - 1.0A High SSOP5 Reel of 3000 BD2220G LBTR 0.5A - 1.0A Low SSOP5 Reel of 3000 BD2221G LBTR Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0E3E0H300380-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/20 TSZ2211114001 21.Feb.2014 Rev.002Datasheet BD2220G-LB BD2221G-LB Block Diagram GND Delay /OC OCD SQ Counter R Charge TSD UVLO pump EN VIN VOUT Pin Configurations BD2220G BD2221G TOP VIEW TOP VIEW 1 VIN VOUT 5 1 VIN VOUT 5 2 GND 2 GND 3 4EN /OC 34/EN /OC Pin Description Pin No. Symbol I/O Function 1 VIN - Switch input and the supply voltage for the IC. 2 GND - Ground. Enable input. 3 EN, /EN I EN: High level input turns on the switch. (BD2220G) /EN: Low level input turns on the switch. (BD2221G) 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 TSZ02201-0E3E0H300380-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/20 TSZ2211115001 21.Feb.2014 Rev.002