Datasheet 1ch High Side Switch ICs 0.5A Current Limit High Side Switch ICs BD2045AFJ BD2055AFJ General Description Key Specifications BD2045AFJ and BD2055AFJ are ins gle channel high Input Voltage Range: 2.7V to 5.5V side switch ICs with over-current protection for ON-Resistance: 80m(Typ) Universal Serial Bus (USB) power supply line. These Continuous Current Load: 0.25A ICs have low ON-Resistance N-Channel power Over-Current Threshold: 0.3A (Min), 0.8A (Max) MOSFETs with low supply current, built-in over-current Standby Current: 0.01A (Typ) protection circuit, thermal shutdown circui, t under Output Rise Time: 1.2ms(Typ) voltage lockout and soft-start circuit. Operating Temperature Range: -40C to +85C Features Package W(Typ) D(Typ) H (Max) Built-In Low ON-Resistance Nch MOSFET ( Typ=80m ) Control Input Logic Active-Low: BD2045AFJ Active-High: BD2055AFJ Soft-Start Circuit Over-Current Protection Thermal Shutdown Under Voltage Lockout Function Open Drain Error Flag Output SOP-J8 Reverse-Current Protection when Switch Off 4.90mm x 6.00mm x 1.65mm Flag Output Delay Applications USB Hub in Consumer Appliances, PC, PC Peripheral Equipment, and so forth Typical Application Circuit 5V(Typ) VBUS GND OUT D+ IN OUT + C IN C L - D - IN OUT GND /OC EN( /EN ) Lineup Over-Current Threshold Control Input Package Orderable Part Number Min Typ Max Logic 0.3A 0.5A 0.8A Low SOP-J8 Reel of 2500 BD2045AFJ-E2 0.3A 0.5A 0.8A High SOP-J8 Reel of 2500 BD2055AFJ-E2 Product structureSilicon monolithic integrated circuit This product has not designed protection against radioactive rays www .rohm.com TSZ02201-0E3E0H300130-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/22 TSZ2211114001 21.Aug.2014 Rev.002 DatasheetDatasheet General Precaution 1. Before you use our Products, you are requested to carefully read this document and fully understand its contents. ROHM shall not be in an y way responsible or liable for failure, malfunction or accident arising from the use of a ny ROHMs Products against warning, caution or note contained in this document. 2. All information contained in this docume nt is current as of the issuing date and subj ect to change without any prior notice. Before purchasing or using ROHMs Products, please confirm the latest information with a ROHM sale s representative. 3. The information contained in this document is provided on an as is basis and ROHM does not warrant that all information contained in this document is accurate an d/o error-free. ROHM shall notr be in an y way responsible or liable for any damages, expenses or losses incurred by you or third parties resulting from inaccuracy or errors of or concerning such information. Notice WE Rev.001 2014 ROHM Co., Ltd. All rights reserved.