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TD340D Datasheet(PDF) 2 Page - STMicroelectronics |
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TD340D Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 21 page TD340 2/21 SYSTEM AND INTERNAL BLOCK DIAGRAM PIN DESCRIPTION VBATT VOUT RESET CWD WD STBY TEMP IN1 IN2 CF GND L1 L2 S2 H2 CB2 S1 H1 CB1 OSC Q2H Q2L Q1H Q1L BATT - BATT + T ° LOGIC PWM PWM WATCHDOG RESET SUPPLY UVLO OVLO TD340 5V 0V M Name Pin Type Function VBATT 1 Power Input Power Supply GND 11 Ground Ground L1 12 Push Pull Output Low Side Drive - Gate 1 L2 13 Push Pull Output Low Side Drive - Gate 2 H1 18 Push Pull Output High Side Drive - Gate 1 H2 15 Push Pull Output High Side Drive - Gate 2 S1 17 Analog Input High Side Drive - Source 1 S2 17 Analog Input High Side Drive - Source 2 CB1 19 Analog Input High Side Drive - Bootstrap Capacitor 1 CB2 16 Analog Input High Side Drive - Bootstrap Capacitor 2 CF 10 Analog Input External Capacitor to set the PWM Switching Frequency IN1 8 Analog or Digital Input Analog Level of PWM (0 to 100%) if CF connected to a capacitor, or PWM Signal if CF connected to ground IN2 9 Digital Input Direction to the Motor’s Rotation STBY 6 Digital Input Standby Mode TEMP 7 Analog Output Analog Indicator of Temperature VOUT 2 Power Output Regulated Power Supply Output for the Microcontroller - 5V RESET 3 Open Drain Output Reset Signal for the Microcontroller WD 5 Digital Input Watchdog Signal from the Μicrocontroller CWD 4 Analog Input External Capacitor to set Watchdog Timeout OSC 20 Digital Output Oscillator Output |
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