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NCV7748GEVB

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12

Table 5. BILL OF MATERIALS OF NCV7748GEVB 

(continued)

Designator

Substitution

Allowed

Part 

Number

Manufacturer

Footprint

Tolerance

Value

Description

Qty.

Y1, Y2

2

16 MHz Microprocessor

Crystals

20 pF

30 ppm

XTAL

CTS−FREQUENCY

CONTROLS

ATS16A

Yes

LIN

Generator

1

Arduino-based

Microprocessor

N/A

ATMEL

ATMEGA328P−PU

No

LIN Decoder

1

Arduino-based

Microprocessor

N/A

ATMEL

ATMEGA328P−PU

No

LCD

1

20 x 4 LCD Module

N/A

COFUFU

LCM TM204A

Yes

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Summary of Contents for NCV7748

Page 1: ...Commands as well as Output errors can be read from the LCD display Truth tables are included in silk screen on the PCB for ease of use for both command control and error deciphering Features Individua...

Page 2: ...44 reference is to a sister part which is comprised of 4 outputs instead of the 8 outputs of the NCV7748 Table 1 SUPPORTED LIN COMMANDS PID 7 0 Frame Type Description Data Length Spec Depends on NAD O...

Page 3: ...is provided via a toggle switch The user must adhere to the absolute maximum ratings when using off board connections Table 2 MAXIMUM RATINGS Rating Value Unit Supply Voltage to Board 14 VDC Using On...

Page 4: ...ons 1 2 2 2 2 2 3 4 5 6 7 8 9 10 11 12 1 OUT1 8 External Post Connections 2 External Relay Jumpers 3 Overcurrent OCD Pushbuttons 4 TxD RxD Jumpers 5 LIN Test Point 6 Output Control Command Input Data...

Page 5: ...Demo Mode Normal Operation 1 Move the DEMO MODE toggle switch to the OFF mode 2 This sets the NCV7748 ready to receive LIN commands from the on board microprocessor 3 Set the DIP switches using the OU...

Page 6: ...UTPUT CONTROL and OUTPUT ENCODING Output Control Command DATA_1 OUT4_A OUT3_A OUT2_A OUT1_A Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 DATA_2 OUT8_A OUT7_A OUT6_A OUT5_A DATA_3 OUT4_B OUT3_B OUT2_B OUT1_...

Page 7: ...s may be required to see this result Figure 13 Byte Field Framing Error APPINFO 4 No Failure 5 Global Thermal Shutdown 6 OUT4 OUT8 Overcurrent or Thermal Shutdown a Overcurrent setups are created with...

Page 8: ...NCV7748GEVB www onsemi com 8 SCHEMATIC Figure 15 Evaluation Board Schematic 1 of 2...

Page 9: ...NCV7748GEVB www onsemi com 9 Figure 16 Evaluation Board Schematic 2 of 2...

Page 10: ...NCV7748GEVB www onsemi com 10 PCB Figure 17 Printed Circuit Board...

Page 11: ...2U1S No R9 R16 8 LED Resistors 10 kW 1 0805 VISHAY DALE CRCW080510K0FKEA Yes R1 R2 R7 R20 5 Pull up Resistors 10 kW 1 0805 VISHAY DALE CRCW080510K0FKEA Yes R3 R6 2 Oscillator Bias Resistors 1 MW 1 080...

Page 12: ...tions and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts ON Semiconductor does not co...

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