BD2244G-MGTR ROHM

Datasheet 1 Channel Compact High Side Switch ICs 1ch Adjustable Current Limit High Side Switch ICs BD2244G-M BD2245G-M General Description Key Specifications BD2244G-M and BD2245G-M are low on-resistance IN Operating Voltage: 2.8V to 5.5V N-channel MOSFET high-side power switches, On Resistance: (VIN=5V) 100m(Typ) optimized for Universal Serial Bus (USB) applications. Current Limit Threshold: 0.2A to 1.7A adjustable BD2244G-M and BD2245G-M 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 (Note 1) AEC-Q100 Qualified Adjustable Current Limit Threshold: 0.2A to 1.7A Built-in Low On-Resistance (Typ 100m) N-channel MOSFET Built-in Soft-Start Circuit Output Discharge Function Open-Drain Fault Flag Output Thermal Shutdown Under-Voltage Lockout Reverse Current Protection when Power Switch Off Control Input Logic Active-High: BD2244G-M SSOP6 Active-Low: BD2245G-M UL : File No.E243261 IEC 60950-1 CB scheme approval (Note 1: Grade3) Applications Car accessory 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 Control input Current Current Limit Channel Package Orderable Part Number logic Max Threshold 1.5A 0.2A to 1.7A 1ch High SSOP6 Reel of 3000 BD2244G MGTR 1.5A 0.2A to 1.7A 1ch Low SSOP6 Reel of 3000 BD2245G MGTR Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0GGG0H300050-1-2 2014 ROHM Co., Ltd. All rights reserved. 1/25 TSZ22111 14 001 26. Jul.2017 Rev.003Datasheet BD2244G-M BD2245G-M Block Diagram IN OUT Reverse current Protection /EN Under-voltage Lockout GND Charge Pump Thermal EN /OC Shutdown Delay Over-current ILIM Counter Protection Figure 2. Block Diagram Pin Configuration IN 1 6 OUT GND 2 5 ILIM EN 3 4 /OC Figure 3. 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 (BD2244G-M) Low-level input turns on the switch (BD2245G-M) Over-current detection 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 R 106.3 k LIM 6 OUT O Power switch output. www.rohm.com TSZ02201-0GGG0H300050-1-2 2014 ROHM Co., Ltd. All rights reserved. 2/25 TSZ22111 15 001 26. Jul.2017 Rev.003