ON Semiconductor NCP51705 User Manual Download Page 6 | Manualshive

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EVBUM2528/D

www.onsemi.com

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Figure 6. Top Layer

Figure 7. Layer 2

Figure 8. Layer 3

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Summary of Contents for NCP51705

Page 1: ...le type drive configuration The EVB can be considered as an isolator driver T0247 discrete module NCP51705 Description The NCP51705 driver is designed to primarily drive SiC MOSFET transistors To achi...

Page 2: ...PGND VDD 5 VEESET 6 VCH 7 C 8 C VEE 24 UVSET 23 V5V UVLO PROTECTION LOGIC TSD CHARGE PUMP REG CHARGE PUMP POWER STAGE 19 DRIVER LOGIC LEVEL SHIFT VDD_OK VEE_OK CPCLK RUN NCP51705 20 5V REG 16 PGND OU...

Page 3: ...EVBUM2528 D www onsemi com 3 SUMMARY OF EVB EVB Photos Figure 2 NCP51705 EVB 35 mm x 15 mm x 5 mm Top and Bottom View T0 247 Shown for Scale...

Page 4: ...4 5 470 nF GRM188R71E474KA12D CAP SMD CERAMIC 25 V X7R STD 603 5 1 C6 470 nF C1005X5R1E474K050BB CAP SMD CERAMIC 25 V X5R STD 402 6 3 C7 C9 C12 100 nF C0603C104K8RACTU CAP SMD CERAMIC 10 V X7R STD 603...

Page 5: ...RC0805FR 074K99L RES SMD 1 8 W STD 805 18 1 R12 10k RC0805FR 0710KL RES SMD 1 8 W STD 805 19 1 U1 NCP51705 SiC Driver Single 6 A Single ON Semiconductor WQFN 24 20 1 U2 ADuM142E1WBRQZ Digital Isolato...

Page 6: ...EVBUM2528 D www onsemi com 6 Figure 6 Top Layer Figure 7 Layer 2 Figure 8 Layer 3...

Page 7: ...DESCRIPTIONS Ref Des Name I O GND Ref Type Description Value V J1 XGND Input Primary Plated Hole External primary ground from PWM side 0 J2 XVDD Input Primary Plated Hole External VDD from PWM side i...

Page 8: ...conductive tape over the main PCB area directly beneath the mini EVB This is to avoid the possibility of having any components on the bottom of the mini EVB touch components or conductive surfaces on...

Page 9: ...cient clearance between the mini EVB and T0 247 case and allow the leads to pass through the mini EVB and down through the main PCB then extending the lead length may be necessary 8 After the T0 247 l...

Page 10: ...C G D S Mini EVB Mini EVB Side View Back View S Main PCB 80 0 min Figure 13 New PCB Design using 100 mil Interconnect Header Pins 80 mil minimum mounting height T0 247 SiC T0 247 SiC G D S Mini EVB Mi...

Page 11: ...DC 470pF 4 99W AFG 5VPK 150kHz 50 Turn on Procedure 1 Apply XVDD 5 V Voltage for primary side of the digital isolator U2 2 Apply VDD 20 V VDD bias voltage for the NCP5170 SiC driver Note UVLOON 17 V 3...

Page 12: ...l DESAT threshold is fixed at VDESAT TH 7 5V and the DESAT signal amplitude is adjustable by R11 R11 4 99 kW may not be the correct resistor value for some applications If VDESAT 7 5 V during normal o...

Page 13: ...EVBUM2528 D www onsemi com 13 WAVEFORMS Figure 16 IN 150 kHz 50 VDESAT 5 V DESAT Inactive Figure 17 IN 80 kHz 50 VDESAT 7 5 V DESAT Active...

Page 14: ...EVBUM2528 D www onsemi com 14 Figure 18 IN Falling to XEN Rising Delay tD1 83 ns Figure 19 IN Rising to XEN Falling Delay tD2 34 ns...

Page 15: ...under its patent rights nor the rights of others ON Semiconductor products are not designed intended or authorized for use as a critical component in life support systems or any FDA Class 3 medical de...

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