Datasheet 2ch High Side Switch ICs 0.5A Current Limit High Side Switch ICs BD2046AFJ BD2056AFJ General Description Key Specifications BD2046AFJ and BD2056AFJ are dual channel high Input Voltage Range: 2.7V to 5.5V side switch ICs with an over current protection for ON-Resistance: 100m(Typ) Universal Serial Bus (USB) power supply line. The ICs Continuous Current Load: 0.25A switch unit has two channels of N-Channel power Over-Current Threshold: 0.3A (Min), 0.9A (Max) MOSFET. Over current detection circuit, thermal Standby Current: 0.01A (Typ) shutdown circuit, under voltage lockout and soft start Output Rise Time: 1.8ms (Typ) circuit are built in. Operating Temperature Range: -40C to +85C Features Package W(Typ) D(Typ) H (Max) Dual N-MOS High Side Switch Control Input Logic Active-Low: BD2046AFJ Active-High: BD2056AFJ Soft Start Circuit Over Current Detection Thermal Shutdown Under Voltage Lockout Open Drain Error Flag Output Reverse-Current Protection when Switch Off SOP-J8 Flag Output Delay 4.90mm x 6.00mm x 1.65mm Applications USB Hub in Consumer Appliances, Note PC, PC Peripheral Equipment, and so forth Typical Application Circuit 5V(Typ) GND /OC1 CL IN OUT1 C IN /EN1 OUT2 (EN1) Data /EN2 /OC2 (EN2) CL Data Lineup Over-Current Threshold Control Input Package Orderable Part Number Min Typ Max Logic 0.3A 0.5A 0.9A Low SOP-J8 Reel of 2500 BD2046AFJ-E2 0.3A 0.5A 0.9A High SOP-J8 Reel of 2500 BD2056AFJ-E2 Product structureSilicon monolithic integrated circuit This product has not designed protection against radioactive rays www .rohm.com TSZ02201-0E3E0H300140-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/23 TSZ2211114001 21.Aug.2014 Rev.002 Datasheet BD2046AFJ BD2056AFJ Block Diagram /EN1 TSD1 EN1 /OC1 Gate Delay Logic1 Charge OCD1 Pump1 IN OUT1 UVLO OUT2 /EN2 EN2 Charge OCD2 Pump2 Gate /OC2 Logic2 Delay GND TSD2 Pin Configurations BD2046AFJ BD2056AFJ TOP VIEW TOP VIEW GND /OC1 GND /OC1 OUT1 OUT1 IN IN /EN1 EN1 OUT2 OUT2 /EN2 VCC /OC2 EN2 /OC2 Pin Description Pin No. Symbol I / O Pin Function 1 GND I Ground. Power supply input. 2 IN I Input terminal to the switch and power supply input terminal of the internal circuit. Enable input. /EN: Switch on at low level. (BD2046AFJ) 3, 4 EN, /EN I EN: Switch on at high level. (BD2056AFJ) High level input > 2.0V, low level input < 0.8V. Error flag output. low at over current, thermal shutdown. 5, 8 /OC O Open drain output. 6, 7 OUT O Switch output. www.rohm.com TSZ02201-0E3E0H300140-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/23 TSZ2211115001 21.Aug.2014 Rev.002