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Board Layout

Figure 19. Layer 3 Routing

SLVU270 – September 2008

TPS54160EVM-230

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Summary of Contents for TPS54160EVM-230

Page 1: ...t Voltage Ripple Vin 60 0V Iout 1 5A 7 8 Top Converter Input Voltage Ripple Vin 42 0V Iout 1 5A 8 9 Bottom Converter Input Voltage Ripple Vin 48 0V Iout 1 5A 8 10 Top Converter Start up relative to Vin Vin 42V Iout 1 5A 8 11 Top Converter UVLO relative to Vin Iout 1 5A 9 12 Bottom Converter Start up relative to Vin Vin 60 0V Iout 1 5A 9 13 Bottom Converter Start up relative to EN Vin 60 0V Iout 1 ...

Page 2: ... output with up to 1 5A of output current The bottom converter has additional component footprints that can be used by the designer to implement a variety of TPS54160 solutions This chapter describes the jumpers and connectors on the EVM as well as how to properly connect setup and use the TPS54160EVM 230 This is the positive input supply voltage to the top converter The leads to the input supply ...

Page 3: ... pin to the positive input of the load This is the return connection for the output of the bottom converter Pin 1 of this connector is tied to the PWRGD output pin of the top converter Pin 2 of this connector is tied to the ground plane of the top converter R4 is pull up resistor for the PG pin and is connected to the output voltage The maximum voltage of the PWRGD pin is 6V If the output voltage ...

Page 4: ... connectors or jumpers to connect control signals to external circuits The bottom converter was designed to be more adjustable and accommodate off board signals and parts that are easier to solder The bottom converter should be used to evaluate circuit modifications Table 1 provides a summary of the top converters specifications The bottom converter is designed and tested for VIN 6 0V to 60V Opera...

Page 5: ... TPS54160 is pulled up to the output voltage by R4 on the top converter and R12 on the bottom converter The absolute maximum voltage rating of the PWRGD pin is 6 0V If the output voltage of either converter is modified to be above 6 0V then the corresponding pull up resistor should be removed so that the absolute maximum rating of the IC is not exceeded The EVM supports connection of an external o...

Page 6: ... 24 V 12 V 5 V Efficiency I Output Current mA O Vout Load Current 50 mV div 500 mA div Test Results www ti com This chapter provides typical performance waveforms for the TPS54160EVM 279 board Figure 2 Top Converter Efficiency Figure 3 Bottom Converter Efficiency Figure 4 Top Converter Transient Response 0 5A to 1 5A step Vin 42V 6 TPS54160EVM 230 SLVU270 September 2008 Submit Documentation Feedba...

Page 7: ... 200 mA div www ti com Test Results Figure 5 Bottom Converter Transient Response 0 5A to 1 5A step Vin 48V Figure 6 Top Converter Output Voltage Ripple Vin 42V Iout 1 5A Figure 7 Bottom Converter Output Voltage Ripple Vin 60 0V Iout 1 5A SLVU270 September 2008 TPS54160EVM 230 7 Submit Documentation Feedback ...

Page 8: ...Results www ti com Figure 8 Top Converter Input Voltage Ripple Vin 42 0V Iout 1 5A Figure 9 Bottom Converter Input Voltage Ripple Vin 48 0V Iout 1 5A Figure 10 Top Converter Start up relative to Vin Vin 42V Iout 1 5A 8 TPS54160EVM 230 SLVU270 September 2008 Submit Documentation Feedback ...

Page 9: ...com Test Results Figure 11 Top Converter UVLO relative to Vin Iout 1 5A Figure 12 Bottom Converter Start up relative to Vin Vin 60 0V Iout 1 5A Figure 13 Bottom Converter Start up relative to EN Vin 60 0V Iout 1 5A SLVU270 September 2008 TPS54160EVM 230 9 Submit Documentation Feedback ...

Page 10: ...0 Phase 60 60 Gain 180 Phase 180 Test Results www ti com Figure 14 Bottom Converter Loop Response Vin 36V Iout 1 0A Figure 15 Top Converter Loop Response Vin 42V Iout 1 0A TPS54160EVM 230 10 SLVU270 September 2008 Submit Documentation Feedback ...

Page 11: ...ave been routed on the bottom layer so that they are shielded by the large ground plane on the bottom layer The two inner layers do not have any traces routed on them but do provide additional heat sinking for the ICs Board layout is critical for all high frequency switch mode power supplies The nodes with high switching frequencies and currents are kept as short as possible to minimize trace indu...

Page 12: ...Board Layout www ti com Figure 16 Assembly Layer 12 TPS54160EVM 230 SLVU270 September 2008 Submit Documentation Feedback ...

Page 13: ...www ti com Board Layout Figure 17 Top Layer Routing SLVU270 September 2008 TPS54160EVM 230 13 Submit Documentation Feedback ...

Page 14: ...Board Layout www ti com Figure 18 Layer 2 Routing 14 TPS54160EVM 230 SLVU270 September 2008 Submit Documentation Feedback ...

Page 15: ...www ti com Board Layout Figure 19 Layer 3 Routing SLVU270 September 2008 TPS54160EVM 230 15 Submit Documentation Feedback ...

Page 16: ...Board Layout www ti com Figure 20 Bottom Layer Routing TPS54160EVM 230 16 SLVU270 September 2008 Submit Documentation Feedback ...

Page 17: ... 1 Schematic www ti com Schematic and Bill of Materials This chapter provides the TPS54160EVM 230 schematic and bill of materials Figure 21 TPS54160EVM 230 Schematic SLVU270 September 2008 TPS54160EVM 230 17 Submit Documentation Feedback ...

Page 18: ...esistor Chip 1 16W 1 0402 Std Std 1 R6 53 6 kΩ Resistor Chip 1 16W 1 0402 Std Std 1 U1 TPS54160DGQ IC DC DC Converter 60V 1 5A MSOP 10 TPS54160DGQ TI Table 4 TPS54160EVM 230 Bill of Materials Bottom Converter QTY RefDes Value Description Size Part Number MFR Capacitor Ceramic 6 3V X5R 1 C11 68 pF 0603 Std Std 20 Capacitor Ceramic 6 3V X5R 1 C12 5600 pF 0603 Std Std 20 Capacitor POSCAP 220uF 10V 1 ...

Page 19: ... Resistor Chip 1 16W 1 0603 Std Std R15 1 R13 162 kΩ Resistor Chip 1 16W 1 0603 Std Std 1 R14 31 6 kΩ Resistor Chip 1 16W 1 0603 Std Std 1 R16 49 9 Ω Resistor Chip 1 16W 1 0603 Std Std R8 R9 0 Open Resistor Chip 1 16W 1 0603 Std Std R17 1 U2 TPS54160DGQ IC DC DC Converter 60V 1 5A MSOP 10 TPS54160DGQ TI SLVU270 September 2008 TPS54160EVM 230 19 Submit Documentation Feedback ...

Page 20: ...temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used FCC Warning This evaluation b...

Page 21: ...usiness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all neces...

Page 22: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS54160EVM 230 ...

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