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NJW4303 Datasheet(PDF) 2 Page - New Japan Radio |
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NJW4303 Datasheet(HTML) 2 Page - New Japan Radio |
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2 / 28 page  NJW4303 - 2 - PIN FUNCTION LIST * All Ground Pins must be connected at the outside. * Electrical potential of all unused output pins must be fixed at the outside. Pin# Terminal Name Function Remark 1 VREF 5V Output Voltage Terminal Outputs Supply Voltage of 5V 2 H1+ Hall Element Input Terminal H1+ Use with H1- 3 H1- Hall Element Input Terminal H1- Use with H1+ 4 H2+ Hall Element Input TerminalH2+ Use with H2- 5 H2- Hall Element Input Terminal H2- Use with H2+ 6 H3+ Hall Element Input Terminal H3+ Use with H3- 7 H3- Hall Element Input Terminal H3- Use with H3+ 8,22,27,28 N.C. No Connection No Connection 9 FG FG pulse Output Terminal Output Rotary Signal 10 FR Forward/Reverse Direction Input Terminal L, or Open=Forward Direction, H=Reverse Direction 11 BR Short Brake Input Terminal L, or Open=Rotation, H=Short Brake 12 N1 FG Pattern Switching Terminal1 Set FG Pattern by Combination with N2. Cf. the below table 13 N2 FG Pattern Switching Terminal2 Set FG Pattern by Combination with N1. Cf. the below table 14 DEC Hall Input Phase Switching Terminal L, or Open=120 ° Hall Input, H=60° Hall Input 15 S/S Start and Stop input Terminal L, or Open=Start, H=Stop 16 VERR Error Amp Voltage Input Terminal Set Output ON Duty H=Output ON Duty 100%, L=Output ON Duty 0% Pull-up to VREF PIN in nonuse 17,26 GND Logic Ground Terminal Connecting with Ground 18 OSC PWM Control Capacitor Terminal Insert a Capacitor between Grounds. Set PWM frequency depending on the value of the Capacitor 19 Ct Lock Protection Capacitor Connection Terminal Insert a Capacitor between Grounds. Depending on the value of the Capacitor, set On/Off timer for the Output at the time of activated Lock Protection. 20 FRC Dead-Time Capacitor Connection Terminal Insert a Capacitor between Grounds. Depending on the value of the Capacitor, set Output Dead Band at the time of FR switching 21 ILIMIT Over Current Sensing Terminal Connect to the ground side of the external driver 23 WL Output Terminal WL Connect to Nch Gate Driver 24 VL Output Terminal VL Connect to Nch Gate Driver 25 UL Output Terminal UL Connect to Nch Gate Driver 29 WH Output Terminal WH Connect to Pch Gate Driver 30 VH Output Terminal VH Connect to Pch Gate Driver 31 UH Output Terminal UH Connect to Pch Gate Driver 32 VCC Motor Voltage Supply Terminal Connect motor power source to the terminal FG Pattern by combination with N1 and N2 No. N1 N2 FG 1 H H 1/2 Frequency Signal from H1 2 H L/OPEN Signal from H1 3 L/OPEN H 1/2 Frequency Signal from 3 Hall Compound Signals 4 L/OPEN L/OPEN 3 Hall Compound Signals |
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Similar Description - NJW4303 |
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