Datasheet 1 Channel Compact High Side Switch ICs 1ch Adjustable Current Limit High Side Switch ICs BD2222G BD2242G BD2243G Description Key Specifications BD2222G, BD2242G and BD2243G are low IN Operating Voltage: 2.8V to 5.5V on-resistance N-channel MOSFET high-side power On Resistance: (VIN=5V) 89m(Typ) switches, optimized for Universal Serial Bus (USB) Current Limit Threshold: 0.2A to 1.7A adjustable applications. These devices are equipped with the Standby Current: 0.01A (Typ) function of over-current detection, thermal shutdown, Operating Temperature Range: -40C to +85C under-voltage lockout and soft-start. Moreover, the range of Current limit threshold can be adjusted from 0.2A to 1.7A by changing the external resistance. Package W(Typ) x D(Typ) x H (Max) Features SSOP6 2.90mm x 2.80mm x 1.25mm Adjustable Current Limit Threshold: 0.2A to 1.7A Low On-Resistance (Typ 89m) N-channel MOSFET Built-in Soft-Start Circuit Output Discharge Function BD2242G, BD2243G Open-Drain Fault Flag Output Thermal Shutdown Under-Voltage Lockout Reverse Current Protection when Power Switch Off Control Input Logic SSOP6 Active-High: BD2222G, BD2242G Active-Low: BD2243G UL : File No.E243261 IEC 60950-1 CB scheme approval Applications USB hub in consumer appliances, PC, PC peripheral equipment and so forth Typical Application Circuit 5V (Typ) 3.3V IN OUT CIN 10F 1F + CL GND ILIM 10k to RLIM 120F - 100k EN /OC Figure 1. Typical Application Circuit Lineup Output Load Adjustable Output Control input Orderable Part Current Current Limit Channel Discharge Package logic Number Max Threshold function 1.5A 0.2A to 1.7A 1ch High No SSOP6 Reel of 3000 BD2222G GTR 1.5A 0.2A to 1.7A 1ch High Yes SSOP6 Reel of 3000 BD2242G GTR 1.5A 0.2A to 1.7A 1ch Low Yes SSOP6 Reel of 3000 BD2243G GTR Product structureSilicon monolithic integrated circuit This product is not designed protection against radioactive rays w ww.rohm.com TSZ02201-0E3E0H300280-1-2 2012 ROHM Co., Ltd. All rights reserved. 1/26 TSZ2211114001 24.Nov.2020 Rev.006BD2222G BD2242G BD2243G Block Diagram IN OUT Reverse current Protection Under-voltage Lockout GND Charge Thermal Pump Shutdown EN /OC Delay Over-current ILIM Counter Protection Figure 2. Block Diagram (BD2222G) IN OUT Reverse current Protection /EN Under-voltage Lockout GND Charge Pump Thermal EN /OC Shutdown Delay Over-current ILIM Counter Protection Figure 3. Block Diagram (BD2242G, BD2243G) Pin Configuration IN 1 6 OUT GND 2 5 ILIM EN 3 4 /OC Figure 4. Pin Configuration (TOP VIEW) Pin Descriptions Pin No. Symbol I/O Function 1 IN I Switch input and the supply voltage for the IC. 2 GND - Ground. Enable input. 3 EN I High-level input turns on the switch (BD2222G, BD2242G) Low-level input turns on the switch (BD2243G) Over-current notification terminal. 4 /OC O Low level output during over-current or over-temperature condition. Open-drain fault flag output. Current limit threshold set Pin. External resistor used to set Current limit 5 ILIM O threshold. Recommended 11.97 k RLIM 106.3 k 6 OUT O Power switch output. www.rohm.com TSZ02201-0E3E0H300280-1-2 2012 ROHM Co., Ltd. All rights reserved. 2/26 TSZ2211115001 24.Nov.2020 Rev.006
