NJU7343 - New Japan Radio

NJU7343 Single-phase DC Brushless Motor Driver IC

■ PACKAGE OUTLINE The NJU7343 is single-phase DC brushless motor driver IC designed for a small fan motor. Adopting the CMOS process, it can provide a low saturation output voltage that is effective in high current operation. It has Lock Detect / Auto Reset and Thermal Shutdown Circuit for safety fan operation, and it has FG output function as useful f.

Features

• Operating Voltage 2.2 to 5.5V
• Lock Detect / Auto Release
• FG Output
• Thermal Shutdown Circuit
• Low Operating Current
• Low Saturation Output Voltage
• Vsat= ±0.25V @Io=±500mA
• Input offset voltage ±5mV
• CMOS Technology
• Package Outline MSOP10 (VSP10)
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*MEET JEDEC MO-187-DA
■ BLOCK DIAGRAM 1 LD 2 3 4 5 TSD
■ PIN FUNCTION 1: Ct 10 2: FG 3: VDD 4: OUT B 9 5: Vss 6: Vss 7: OUT A 8 8: VDD 9: IN10: IN+ 7 (Note) All VDDpins should be connected to the power 6 supply and all VSS pins should be connected to the ground respectively. Otherwise, the electrical characteristics may.