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Schematics

Figure 2. TPS40130EVM-001 Support Circuitry Schematic

12-V Input, 1.5-V Output, 40-A Two Phase Synchronous Buck Converter Using the TPS40130

SLUU208 – October 2004

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Содержание TPS40130EVM-001

Страница 1: ...Recommended Test Setup 9 4 TPS40130EVM 001 Efficiency V12V_IN 10 V to 14 V V1V5_OUT 1 5 V I1V5_OUT 4 A to 40 A 10 5 TPS40130EVM 001 Line Regulation I1V5_OUT 20 A 10 6 TPS40130EVM 001 Load Regulation...

Страница 2: ...lated High Current Point of Load and Low Voltage Bus Converters Video Graphic Adaptors Internet Servers Networking Equipment Telecommunications Equipment DC Power Distributed Systems 91 Peak and 89 Fu...

Страница 3: ...voltage regulation Line regulation 10 V VIN 14 V IOUT 20 A 1 Load regulation 0 A IOUT 40 A VIN 12 V 1 Output voltage ripple VIN 14 V IOUT 40 A 30 mVpp Output load current 0 40 A Output overcurrent Li...

Страница 4: ...www ti com 3 Schematics Schematics Figure 1 TPS40130EVM 001 Power Stage Control Schematic 12 V Input 1 5 V Output 40 A Two Phase Synchronous Buck Converter Using the TPS40130 4 SLUU208 October 2004...

Страница 5: ...www ti com Schematics Figure 2 TPS40130EVM 001 Support Circuitry Schematic 12 V Input 1 5 V Output 40 A Two Phase Synchronous Buck Converter Using the TPS40130 SLUU208 October 2004 5...

Страница 6: ...Initially set for 3 5 V to allow the user to adjust the output voltage from 1 2 V to 3 3 V the OVP set point can be adjusted to be closer to the output voltage by changing R1 The output overvoltage s...

Страница 7: ...hown in Figure 1 4 1 2 Meters A1 0 Adc to 10 Adc ammeter V1 V12V_IN 0 V to 15 V voltmeter V2 V1V5_OUT VOUT 0 V to 5 V voltmeter 4 1 3 Loads LOAD1 The output load LOAD1 should be an electronic constant...

Страница 8: ...ons should remain separate as shown in Figure 3 4 2 1 Procedure 1 Working at an ESD workstation make sure that any wrist straps bootstraps or mats are connected referencing the user to earth ground be...

Страница 9: ...12V to 1 5V 40A FAN V12V_IN 4 3 Startup Shutdown Procedure Test Setup 4 2 2 Diagram Figure 3 TPS40130EVM 001 Recommended Test Setup 1 Increase V12V_IN V1 from 0 Vdc to 10 Vdc 2 Vary LOAD1 from 0 Adc...

Страница 10: ...1 Shut down oscilloscope 2 Shut down LOAD1 3 Shut down V12V_IN 4 Shut down fan Figure 4 Figure 5 Figure 6 and Figure 7 present typical performance curves for the TPS40130EVM 001 Since actual performan...

Страница 11: ...PS40130EVM 001 Typical Performance Data and Characteristic Curves Figure 6 TPS40130EVM 001 Load Regulation 5 4 1 Positive Transient Figure 7 TPS40130EVM 001 5 A to 55 A Transient Response 5 A to 55 A...

Страница 12: ...01 printed circuit board The EVM has been designed using a 4 layer 2 oz copper clad circuit board 4 5 4 0 with all components on the top side to allow the user to easily view probe and evaluate the TP...

Страница 13: ...awings and Layout Figure 9 TPS40130EVM 001 Component Placement Top View Figure 10 TPS40130EVM 001 Silkscreen Top View 12 V Input 1 5 V Output 40 A Two Phase Synchronous Buck Converter Using the TPS401...

Страница 14: ...Drawings and Layout Figure 11 TPS40130EVM 001 Top Copper Top View Figure 12 TPS40130EVM 001 Layer 2 X Ray Top View 12 V Input 1 5 V Output 40 A Two Phase Synchronous Buck Converter Using the TPS40130...

Страница 15: ...gs and Layout Figure 13 TPS40130EVM 001 Layer 3 X Ray Top View Figure 14 TPS40130EVM 001 Bottom Copper X Ray Bottom View 12 V Input 1 5 V Output 40 A Two Phase Synchronous Buck Converter Using the TPS...

Страница 16: ...227 2 L1 L2 Inductor SMT 0 68 H 30 A 0 9 m 0 524 x 0 492 Wurth S0410124A 4 Q1 Q2 Q5 MOSFET N channel 30 V 55 A 2 5 m LFPAK Renesas HAT2165H Q6 2 Q3 Q4 MOSFET N channel 30 V 20 A 6 m LFPAK Renesas HAT2...

Страница 17: ...st point white 0 40 hole 0 050 loop 0 100 Keystone 5002 TP4 TP7 TP10 TP11 TP13 TP15 TP17 TP19 TP20 0 TP21 TP22 Test point white 0 40 hole 0 050 loop 0 100 Keystone 5002 3 TP2 TP9 Test point red thru h...

Страница 18: ...ute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual pro...

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