ON Semiconductor NCV7750 User Manual Download Page 11 | Manualshive

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NCV7750GEVB

www.onsemi.com

11

Figure 18. NCV7750 Evaluation Board Schematic – LCD Display and I2C Controller

Figure 19. NCV7750 Evaluation Board Schematic – Power Connections and 5 V Regulator

Figure 20. NCV7750 Evaluation Board Schematic – Miscellaneous Circuitry

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Summary of Contents for NCV7750

Page 1: ...and Chip State Option for Off board Operating Voltage and Input Control Application The NCV7750 includes four low side drivers Each of these drivers contains an internal clamping device which permits...

Page 2: ...e per channel Overload generation button one per channel Tables describing LCD screen user interface LCD screen Jumpers and test points to allow external input monitoring User input switches and butto...

Page 3: ...ange in the DIP switches for Channels 1 4 is immediately realized on the outputs Demo The NCV7750 is accepting a pre coded sequence of SPI transmissions User input is disabled for the duration of the...

Page 4: ...p Home or Disabled Mode through the process described above It should be noted that this is a feature of the Arduino and not the NCV7750 itself Transmitting SPI Commands The evaluation board is able t...

Page 5: ...inputs akin to LHI mode 10 Channel turned on 11 Channel turned off Figure 7 Channel Configuration DIP Switches After setting the DIP switches to the desired input the transmit button may be pressed S...

Page 6: ...ternal input The NCV7750GEVB allows the user to disconnect internal inputs to the NCV7750 and replace them with external inputs This is done by removing the jumpers shown below Figure 11 Jumpers for E...

Page 7: ...out of the NCV7750 corresponds to the status of each channel Similar to the input there are two bits for each channel in the output The meaning of each bit pair is explained in the table below Table...

Page 8: ...as certain components such as the LCD screen are prone to permanent damage at temperatures even far below the OTD fault threshold of the NCV7750 Transmission error When CSB is asserted low a bit calle...

Page 9: ...NCV7750GEVB www onsemi com 9 Schematic Figure 14 NCV7750 Evaluation Board Schematic NCV7750 Circuit Figure 15 NCV7750 Evaluation Board Schematic User Inputs for SPI and Chip State...

Page 10: ...NCV7750GEVB www onsemi com 10 Figure 16 NCV7750 Evaluation Board Schematic Relay Circuits Figure 17 NCV7750 Evaluation Board Schematic Arduino SPI and LCD Display Controller...

Page 11: ...1 Figure 18 NCV7750 Evaluation Board Schematic LCD Display and I2C Controller Figure 19 NCV7750 Evaluation Board Schematic Power Connections and 5 V Regulator Figure 20 NCV7750 Evaluation Board Schema...

Page 12: ...ILL OF MATERIAL Refdes Description Function Value Tolerance PCB Footprint Manufacturer Part Number Quantity May substitute VBAT Connector for 14 V BANANA Cinch Connectivity Solutions 108 0740 001 1 Y...

Page 13: ...sistor 1 M 1 0805 Vishay Dale CRCW08051 M00FKEA 1 Y D1 D2 D3 D4 Relay circuit LEDs PLCC2_LED Vishay Semi Opto VLMS30K1L2 GS08 4 Y D5 Reverse supply diode 5 A 60 V DO 21 Vishay SB560 E3 54 1 Y U1 NCV77...

Page 14: ...Quantity Part Number Manufacturer PCB Footprint Tolerance Value Description Function SW7 User input DIP switches 2 DIP6 Grayhill 76STC02T 1 N SW6 Continuous mode switch SIP 3P Multicomp 2MS1T2B2M2 RE...

Page 15: ...ems or any FDA Class 3 medical devices or medical devices with a similar or equivalent classification in a foreign jurisdiction or any devices intended for implantation in the human body Should you pu...

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