ON Semiconductor NCP45491PMNGEVB User Manual Download | Manualshive

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NCP45491PMNGEVB

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APPENDIX C: NCP45491 EVALUATION BOARD LAYOUT

Figure 2. PCB Front (Top Metallization)

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Summary of Contents for NCP45491PMNGEVB

Page 1: ...loads on the default setup Board Setup The assembled evaluation board targets Bus Voltages and Shunt Currents shown in Tables 1 and 2 VBUS1 ties to both channel 1 and channel 2 bus voltage inputs VBUS2 ties to both channel 3 and channel 4 bus voltage inputs VBUS3 ties to both channel 5 and channel 6 bus voltage inputs Refer to the schematic and layout diagrams found in Appendix A and Appendix B re...

Page 2: ...ignal generator Channel mux select input EN sma header 3 3 V to 0 V signal generator or tied to GND NCP45491 enable input Active low DIFF_OUT_P sma Oscilloscope Differential output positive DIFF_OUT_N sma Oscilloscope Differential output negative 1 All connections to the board have an accompanying ground connection Use all ground connections with the evaluation board being the center of a star gro...

Page 3: ...inuous cycles on MUX_SEL will read out bus voltage and current data continuously repeating channels 1 6 6 Observe the following a 1 3 V on BG_REF_OUT b 650 mV on CM_REF_IN c 170 mV on BS_REF d Bus voltages and currents represented on DIFF_OUTP and DIFF_OUTN with oscilloscope PCB Layout Care must be taken in PCB layout regarding a few specific nodes for proper operation of the NCP45491 Connections ...

Page 4: ..._P DIFF_OUT_N GND MUX_SEL GND 100K R9 EN GND J1 0 R7 DIFF_OUT_P GND DIFF_OUTP DIFF_OUT_N GND DIFF_OUTN MUX_SEL BS_OK EN 100K R8 VCC DNP C1 3 1 2 J2 GND VCC SKIP BS_OK EN MUX_SEL DIFF_OUT_P DIFF_OUT_N BS_IN3 SH_IN_P3 SH_IN_N3 SH_IN_P6 BS_IN6 SH_IN_N6 5m Rsense3 SH_IN2 VBUS_A LOAD1 VBUS_B LOAD2 LOAD3 LOAD4 5m Rsense2 5m Rsense1 5m Rsense4 GND GND8 2 49 R14 118K R16 2K R19 BS_IN2 SH_IN3 2 49 R15 57 6...

Page 5: ...ty 111 2223 001 Bannana_Connector J1 10th inch header Leave open n a n a SMD_2 J2 J3 J6 J11 J12 J13 J14 3 way jumper 3 pin 10 header Wurth Electronics Inc 61300311121 HEADER_3 J4 J5 J7 J8 J9 J10 10th inch header 2 pin 10 header Wurth Electronics Inc 61300211121 HEADER_2 R7 R1 R2 SMD resistor 0 W Stackpole Electronics HCJ1206ZT0R00 RES1206 Rsense1 Rsense2 Rsense3 Rsense4 Rsense5 Rsense6 SMD resisto...

Page 6: ...NCP45491PMNGEVB www onsemi com 6 APPENDIX C NCP45491 EVALUATION BOARD LAYOUT Figure 2 PCB Front Top Metallization ...

Page 7: ...NCP45491PMNGEVB www onsemi com 7 Figure 3 PCB Backside Bottom Metallization Rsense1 Rsense2 Rsense3 Rsense4 Rsense5 Rsense6 ...

Page 8: ... support systems 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 You agree to indemnify defend and hold harmless onsemi its directors officers employees representatives agents subsidiaries affiliates distributors and assigns against any and all liabilities losses c...

Page 9: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information onsemi NCP45491PMNGEVB ...

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