Datasheet 1 Channel High Side Switch ICs 1.0A Current Limit High Side Switch ICs BD82028FVJ Description Key Specifications BD82028FVJ is a Single Channel High Side Switch IC Input Voltage Range: 4.5V to 5.5V employing N-channel power MOSFET with low on ON Resistance: (VIN=5V) 72m (Typ) resistance and low supply current for the power supply Over Current Threshold: 1.0A line of universal serial bus (USB). Standby Current: 0.01A (Typ) This IC has a built-in over current detection circuit, Operating Temperature Range: -40C to +85C thermal shutdown circuit, under voltage lockout and soft start circuits. Package W(Typ) D(Typ) H(Max) Features TSSOP-B8J 3.00mm x 4.90mm x 1.10mm Over-Current Protection1.0A Control Input LogicActive-High Output Discharge Function Reverse Current Protection when Power Switch Off Thermal Shutdown Open-Drain Fault Flag Output Under-Voltage Lockout OCP Fast Response Soft-Start Circuit ESD Protection TSSOP-B8J ULFile No.E243261 ( MSOP8 Jedec ) IEC 60950-1 CB scheme: File No.US-20060-UL Applications USB hub in consumer appliances, PC, PC peripheral equipment, and so forth Typical Application Circuit 5V(Typ) 5V(typ.) 3.3V VOUT GND OUT 10k to OUT 10k~ IN + CI N 100k 100k C L - IN OUT EN(/EN) /OC Figure 1. Typical Application Circuit Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays w ww.rohm.com TSZ02201-0E3E0H300050-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/21 TSZ2211114 001 29.JAN.2014 Rev.004DatasheetDatasheet BD82028FVJ Block Diagram GND OUT Charge IN UVLO OCD OUT Pump IN Gate OUT Logic EN(/EN) /OC TSD Figure 2. Block Diagram Pin Configuration OUT GND 1 8 OUT IN 2 7 Top View IN OUT 3 6 EN(/EN) /OC 4 5 Figure 3. Pin Configuration (TOP VIEW) Pin Descriptions Pin No. Symbol I/O Function 1 GND - Ground Power supply input 2, 3 IN I Input terminal to the power switch and power supply input terminal of the internal circuit Short these pins externally Enable input 4 EN, /EN I Active high power on switch High level input > 2.0V, Low level input < 0.8V Error flag output 5 /OC O Low when over-current or thermal shutdown is activated Open drain output Power switch output 6, 7, 8 OUT O Short these pins externally www.rohm.com TSZ02201-0E3E0H300050-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/21 TSZ2211115 001 29.JAN.2014 Rev.004