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Helix Semiconductors, 2019 All Rights Reserved 

 

1.30.19 

MxC® 200 PoL EVB Manual 

 

MxC® 200 Evaluation Boards

Helix  Semiconductors  offers  four  MxC  200 
DC-DC PoL (Point of Load) Evaluation Board 
configurations:  Single  12V  output,  Triple 
24V/12V/6V  outputs,  regulated  5V  output 
and a 4x voltage boost output. Additionally, 
a voltage boost+LED driver is offered.  Each 
evaluation  board  is  self-  contained  and 
ready for use. 

Wiring  connection  diagram,  schematic  and 
BOM  for  each  board  are  included  in  this 
manual.    Gerber  files  are  available  upon 
request.    

Target Applications 

 

Telecom Blades, Data Centers 

 

PoE: Wireless Access Points, Security 
Cameras, VoIP Phones 

 

Electric & Hybrid Automobiles 

 

Industrial Controllers, HVAC 

 

IoT & IIoT Gateways 

 

 

 

 

Features

 

 

Four Configurations 

o

 

Single 12V Output 

o

 

Triple 24V/12V/6V Outputs 

o

 

Regulated 5V Output 

o

 

Voltage Boost 

 

15W Output (Multiple Outputs) 

o

 

Pout = Pout1 + Pout2 + Pout3 

 

Idle Operation:  Active, No-Load 

o

 

1mW Non-Switching 

o

 

48mW Switching 

 

> 97% Efficiency @ 2.6W 

 

> 90% Efficiency @ 15W 

 

Fault Detectors 

o

 

Output Over Current 

o

 

Thermal Shutdown 

 

External Control Signals 

o

 

Enable 

o

 

External Clock Enable 

o

 

External Clock Input 

 
 

 

Single 12V Output      

Triple 24/12/6V Outputs      Regulated 5V Output 

P/N: MxC 291-EB3-C   

P/N: MxC 290-EB9-C   

P/N: MxC 292-EB3-C   

Summary of Contents for MxC 200

Page 1: ...e upon request Target Applications Telecom Blades Data Centers PoE Wireless Access Points Security Cameras VoIP Phones Electric Hybrid Automobiles Industrial Controllers HVAC IoT IIoT Gateways Features Four Configurations o Single 12V Output o Triple 24V 12V 6V Outputs o Regulated 5V Output o Voltage Boost 15W Output Multiple Outputs o Pout Pout1 Pout2 Pout3 Idle Operation Active No Load o 1mW Non...

Page 2: ...am 4 Figure 2 MxC 291 Single 12V Output EVB Standalone Wiring Diagram 4 Figure 3 MxC 291 Single 12V Output EVB SMPS Wiring Diagram 5 Figure 4 MxC 291 Single 12V Output EVB Schematic 6 Figure 5 MxC 291 Single 12V Output EVB Efficiency Curve 7 Figure 6 MxC 290 Triple Output EVB Block Diagram 8 Figure 7 MxC 290 Triple Output EVB Standalone Wiring Diagram 8 Figure 8 MxC 290 Triple Output Evaluation Bo...

Page 3: ...Figure 23 MxC 284 4x Voltage Boost with LED Back Panel 25 Figure 24 MxC 291 Output Current Sharing 120W 48V to 12V Voltage Converter 26 Figure 25 Efficiency Measurement Wiring Diagram 27 Figure 26 Typical Capacitance verses DC Bias 50V Device 28 3 Table of Tables Table 1 MxC 291 Single 12V Output EVB Connector J1 5 Table 2 MxC 291 Single 12V Output EVB Bill of Materials BOM 6 Table 3 MxC 290 Tripl...

Page 4: ...r to a SMPS the synchronization feature of the 2D_048_015B allows the MuxCapacitor switching to slow down as the SMPS enters pulse skipping This operation reduces switching power losses at no load to light load conditions The EXTCLK can be provided by either a FET gate drive signal or a buck regulator s switched output Both the EXTCLKSEL and EXTCLK inputs accept up to 30V signals The MxC 291 Singl...

Page 5: ...tor mode attach electronic load wires 3 Turn on power supply 4 Enable electronic load with no load current and then ramp up load current Figure 3 MxC 291 Single 12V Output EVB SMPS Wiring Diagram Table 1 MxC 291 Single 12V Output EVB Connector J1 Pin No Name Description 1 VIN 48VDC Input Power Pin 2 GND Power GND Pin 3 VOUT 12VDC Output Power Pin Note 1 Due to board s small size thermal dissipatio...

Page 6: ...k WCAP CSGP 885012206095 1 C9 CAP 4 7µF 10 35V 0603 1608 Metric TDK C1608X5R1V475M080AC 5 C3 C4 C5 C6 C7 CAP 10µF 10 50V 1210 3225 Metric TDK C3225X7S1H106M250AB 2 C1 C2 CAP 4 7µF 10 100V 1210 3225 Metric TDK C3225X7S2A475M200AB 1 R1 RES 100KΩ 10 0603 1608 Metric Rohm ESR03EZPJ104 1 R2 RES 402 KΩ 1 0603 1608 Metric Rohm MCR03ERTF4023 1 U1 IC 2D_048_015B QFN5x5 32P 0 5 QFN32 Helix Semiconductors 2D...

Page 7: ...Helix Semiconductors 2019 All Rights Reserved 7 1 30 19 MxC 200 PoL EVB Manual Figure 5 MxC 291 Single 12V Output EVB Efficiency Curve ...

Page 8: ...he MxC 290 is providing power to a SMPS the synchronization feature of the 2D_048_015A allows the MuxCapacitor switching to slow down as the SMPS enters pulse skipping This operation reduces switching power losses at no load to light load conditions The EXTCLK can be provided by either a FET gate drive signal or a buck regulator s switched output Both the EXTCLKSEL and EXTCLK inputs accept up to 3...

Page 9: ...ed to SMPS Wiring Diagram Warning Do not Hot Plug the power supply or electronic load Recommended start up procedure 1 With power supply off attach power supply wires 2 With electronic load disabled monitor mode attach electronic load wires 3 Turn on power supply 4 Enable electronic load with no load current and then ramp up load current ...

Page 10: ...48VDC Input Power Pin 5 GND Power GND Pin 6 24VOUT 24VDC Output Power Pin See Note 2 7 12VOUT 12VDC Output Power Pin See Note 2 8 6VOUT 6VDC Output Power Pin See Note 2 9 GND Power GND Pin Note 1 Maximum thermal dissipation occurs when high currents are drawn from 6VOUT Due to board s small size thermal dissipation is limited and may exceed the over temperature shutdown threshold 2 The 24VOUT outp...

Page 11: ...Helix Semiconductors 2019 All Rights Reserved 11 1 30 19 MxC 200 PoL EVB Manual Figure 9 MxC 290 Triple 24V 12V 6V Output EVB Schematic ...

Page 12: ...DK C1608X5R1V475M080AC 10 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 CAP 10µF 10 50V 1210 3225 Metric TDK C3225X7S1H106M250AB 4 C1 C2 C3 C4 CAP 4 7µF 10 100V 1210 3225 Metric TDK C3225X7S2A475M200AB 1 R1 RES 100KΩ 10 0603 1608 Metric Rohm ESR03EZPJ104 1 R2 RES 402 KΩ 1 0603 1608 Metric Rohm MCR03ERTF4023 1 U1 IC 2D_048_015A QFN5x5 32P 0 5 QFN32 Helix Semiconductors 2D 048 015A QFN32 C 1 J1 CONN 9P M R A 0...

Page 13: ...e synchronization feature of the 2D_048_015B allows the MuxCapacitor switching to slow down as the SMPS enters pulse skipping This operation reduces switching power losses at no load to light load conditions The EXTCLK can be provided by either a FET gate drive signal or a buck regulator s switched output to enhance light load efficiency Both the EXTCLKSEL and EXTCLK inputs accept up to 30V signal...

Page 14: ...h no load current and then ramp up load current Table 5 MxC 292 5V Buck Reg Output EVB Connector J1 Pin No Name Description 1 VIN 48VDC Input Power Pin 2 GND Power GND Pin 3 VOUT 5VDC Output Power Pin Note 1 Due to board s small size thermal dissipation is limited and may exceed the over temperature shutdown threshold 2 The MxC 292 can be powered from 24V delivering 6V to the buck regulator The mi...

Page 15: ...c Rohm ESR03EZPJ104 1 R2 RES 402KΩ 1 0603 1608 Metric Rohm MCR03ERTF4023 1 U1 IC 2D_048_015B QFN5x5 32P 0 5 QFN32 Helix Semiconductors 2D 048 015B QFN32 C 1 J1 CONN 3P M R A 0 100 SIP100P3 Wurth Elektronik WR PHD 61300611021 1 C10 CAP 1µF 10 16V 0603 1608 Metric Wurth Elektronik WCAP CSGP 885012106017 1 C11 CAP 0 1µF 10 25V 0603 1608 Metric Wurth Elektronik WCAP CSGP 885012206071 2 C12 C13 CAP 22µ...

Page 16: ...Helix Semiconductors 2019 All Rights Reserved 16 1 30 19 MxC 200 PoL EVB Manual Figure 13 MxC 292 5V Buck Reg Output EVB Schematic Figure 14 MxC 292 w Synchronous 5V Buck Reg Output EVB Schematic ...

Page 17: ...0 0 75 0 80 0 85 0 90 0 95 0 0 0 5 1 1 5 2 2 5 Efficiency Iload A Non Synchronous Synchronous Efficiency vs Load Current Sync Non Sync 70 0 75 0 80 0 85 0 90 0 95 0 0 0 05 0 1 Efficiency ILoad A Light Load Efficiency Sync vs Non Sync Figure 15 MxC 292 w Synchronous Buck 5V Output EVB Efficiency Curve ...

Page 18: ...10A MxC 200 family device When the MxC 281 is providing power to a SMPS the synchronization feature of the 2U_012_010A allows the MuxCapacitor switching to slow down as the SMPS enters pulse skipping Refer to Section 6 for enabling the synchronization operation The input voltage range is 6V to 12V for an output voltage range of 24V to 48V respectively Figure 16 MxC 281 4x Voltage Boost Output EVB ...

Page 19: ...nic load wires 3 Turn on power supply 4 Enable electronic load with no load current and then ramp up load current Table 7 MxC 281 4x Voltage Boost Output EVB Connector J1 Pin No Name Description 1 VIN 12VDC Input Power Pin 2 GND Power GND Pin 3 VOUT 48VDC Output Power Pin Note 1 Due to board s small size thermal dissipation is limited and may exceed the over temperature shutdown threshold 2 The Mx...

Page 20: ...6095 1 C9 CAP 4 7µF 10 35V 0603 1608 Metric TDK C1608X5R1V475M080AC 5 C3 C4 C5 C6 C7 CAP 10µF 10 50V 1210 3225 Metric TDK C3225X7S1H106M250AB 3 C1 C2 CAP 4 7µF 10 100V 1210 3225 Metric TDK C3225X7S2A475M200AB 1 R1 RES 100KΩ 10 0603 1608 Metric Rohm ESR03EZPJ104 1 R2 RES 402KΩ 1 0603 1608 Metric Rohm MCR03ERTF4023 1 U1 IC 2U_012_010A QFN5x5 32P 0 5 QFN32 Helix Semiconductors 2U 012 010A QFN32 C 1 J...

Page 21: ...Helix Semiconductors 2019 All Rights Reserved 21 1 30 19 MxC 200 PoL EVB Manual Figure 18 MxC 281 4x Voltage Boost Output EVB Schematic Figure 19 MxC 281 4x Voltage Boost Output EVB Efficiency Curve ...

Page 22: ...is boosted to 36V to accommodate a high output high efficiency LED The MxC 284 is populated with a single high output white LED Alternatively the spot LED can be replaced with a LED back panel see Figure 23 Higher LED currents can be supplied with a corresponding current source driver and additional MxC 284 fly and hold capacitance The input voltage range is 6V to 12V for an output voltage range o...

Page 23: ...upply 8 Enable electronic load with no load current and then ramp up load current Table 9 MxC 284 4x Voltage Boost LED EVB Connector J1 Pin No Name Description 1 VIN 9VDC Input Power Pin 2 GND Power GND Pin Note 3 Due to board s small size thermal dissipation is limited and may exceed the over temperature shutdown threshold 4 The MxC 284 can be powered from 6V to 12V delivering 24V to 48V respecti...

Page 24: ...1608X5R1V475M080AC 5 C3 C4 C5 C6 C7 CAP 10µF 10 50V 1210 3225 Metric TDK C3225X7S1H106M250AB 3 C1 C2 CAP 4 7µF 10 100V 1210 3225 Metric TDK C3225X7S2A475M200AB 1 R1 RES 100KΩ 10 0603 1608 Metric Rohm ESR03EZPJ104 1 R2 RES 402KΩ 1 0603 1608 Metric Rohm MCR03ERTF4023 1 U1 IC 2U_012_010A QFN5x5 32P 0 5 QFN32 Helix Semiconductors 2U 012 010A QFN32 C 1 U2 IC AL5809 20 SOD 123 Diodes Inc AL5809 20S1 7 1...

Page 25: ...nductors 2019 All Rights Reserved 25 1 30 19 MxC 200 PoL EVB Manual Figure 22 MxC 284 4x Voltage Boost LED EVB Schematic Figure 23 MxC 284 4x Voltage Boost with LED Back Panel Shown with Lumileds L2T0 5770012M00000 ...

Page 26: ...following examples use the Single 12V Output EVB schematic Each individual MxC 200 cell is connected in parallel with adjacent cells All the VIN1 pins are connected together Similarly all GND pins and all VOUT2 and VOUT3 pins are connected together respectively The VOUT2 and VOUT3 outputs of each MxC 200 cell are connected in parallel for maximum efficiency Figure 24 MxC 291 Output Current Sharing...

Page 27: ...ram 10 1 Operational Guidelines It is recommended that the auto ranging feature of current meters be disabled when performing efficiency measurements The MxC 200 over current detector could trip when the current meter switches from one range to another The startup waveform of VIN must be monotonic Depending on the startup load and VIN rise time the startup over current detector could trip A high s...

Page 28: ... efficiency of the MuxCapacitor decreases Too little capacitance for the required output current effectively behaves as an increase in the impedance of the MuxCapacitor cell The effective operating capacitance of ceramic capacitors are subject to a DC Bias derating As the DC voltage across the capacitor increases the capacitor s capacitance value decreases This DC Bias effect must be considered wh...

Page 29: ...ineering Design Office 5475 Mark Dabling Blvd Suite 206 Colorado Springs CO 80918 719 594 7098 designs helixsemiconductors com Corporate Headquarters 4808 West Utica Ave Broken Arrow OK 74011 Table 11 Revision History Date Revision Description 8 15 17 1 Initial Release 8 30 17 2 Add Fig 11 Efficiency Data 9 19 17 3 Add Hot Plug warning 11 12 17 4 Updated schematics 2 24 18 5 General Update 4 10 18...

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