Datasheet 1 Channel High Side Switch ICs 2.5A Current Limit High Side Switch ICs BD82044FVJ General Description Key Specifications BD82044FVJ is a Single Channel High Side Switch IC Input Voltage Range: 2.7V 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: 2.5A 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) x D(Typ) x H(Max) Features TSSOP-B8J 3.00mm x 4.90mm x 1.10mm Over-Current Protection : 2.5A Control Input Logic : Active-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 UL : File No.E243261 IEC 60950-1 CB scheme approval ( MSOP8 Jedec ) Applications USB hub in consumer appliances, PC, PC peripheral equipment, and so forth Typical Application Circuit 5V(Typ) 3.3V V OUT GND OUT OUT 10k to IN + C I N 100k C L - IN OUT EN /OC Figure 1. Typical Application Circuit Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0GCG0H300010-1-2 2014 ROHM Co., Ltd. All rights reserved. 1/21 TSZ22111 14 001 21.Dec.2015 Rev.003 BD82044FVJ Block Diagram GND OUT Charge IN UVLO OCD OUT Pump IN Gate OUT Logic EN /OC TSD Pin Configuration OUT GND 1 8 OUT IN 2 7 Top View OUT IN 3 6 /OC EN 4 5 Figure 3. Pin Configuration (TOP VIEW) Pin Descriptions Pin Symbol I/O Function No. 1 GND - Ground Power supply input Input terminal to the power switch and power supply input terminal of the internal 2, 3 IN I circuit Short these pins externally Enable input 4 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 TSZ02201-0GCG0H300010-1-2 2014 ROHM Co., Ltd. All rights reserved. 2/21 TSZ2211115001 21.Dec.2015 Rev.003
