BD2051AFJ-E2 ROHM

Datasheet 1ch High Side Switch ICs 1.0A Current Limit High Side Switch ICs BD2041AFJ BD2051AFJ General Description Key Specifications BD2041AFJ and BD2051AFJ 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: 0.5A ICs have low ON-Resistance N-Channel power Over-Current Threshold: 0.7A (Min), 1.6A (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 Package W(Typ) D(Typ) H (Max) Features Built-In Low ON-Resistance Nch MOSFET ( Typ=80m ) Control Input Logic Active-Low: BD2041AFJ Active-High: BD2051AFJ 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 EN( /EN ) /OC Lineup Over-Current Threshold Control Input Package Orderable Part Number Min Typ Max Logic 0.7A 1.0A 1.6A Low SOP-J8 Reel of 2500 BD2041AFJ-E2 0.7A 1.0A 1.6A High SOP-J8 Reel of 2500 BD2051AFJ-E2 Product structureSilicon monolithic integrated circuit This product has not designed protection against radioactive rays www .rohm.com TSZ02201-0E3E0H300290-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/22 TSZ2211114001 21.Aug.2014 Rev.002 BD2041AFJ BD2051AFJ Block Diagram GND OUT Charge IN OUT UVLO OCD pump IN OUT Gate logic EN(/EN) /OC TSD Pin Configurations BD2051AFJ BD2041AFJ TOP VIEW TOP VIEW OUT OUT 1 GND 8 1 GND 8 IN OUT IN OUT 2 7 2 7 IN IN OUT OUT 3 6 3 6 EN /EN 4 /OC 5 4 /OC 5 Pin Description Pin No. Symbol I / O Pin Function 1 GND I Ground. Power supply input. 2, 3 IN I Input terminal to the power switch and power supply input terminal of the internal circuit. When used, connect each pin outside. Enable input. /EN: Power switch on at low level. (BD2041AFJ) 4 EN, /EN I EN: Power switch on at high level. (BD2051AFJ) High level input > 2.0V, low level input < 0.8V. Error flag output. 5 /OC O Low at over current, thermal shutdown. Open drain output. Power switch output. 6, 7, 8 OUT O When used, connect each pin outside. www.rohm.com TSZ02201-0E3E0H300290-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/22 TSZ2211115001 21.Aug.2014 Rev.002