Power Electronics

Understand power electronics, from basic converters to “digital-power” PMICs. Analyze design margins for saturation, stability and thermals. Collaborate with other experts on batteries, solar panels, LEDs, motors, etc. for successful integrated system design.

Application Area Featured Designs

Step-Down (Buck) DC to DC Converter - Switching

Power Electronics
VDVoltageV+V-V+V-c14333nr182kr6150kc73.0nr192kr710kc825.0E-12r1150kr15100r2010kr2110kc18110uop45op46vcc_halfvcc_halfv_errorv_setpointd_gate_drvv_sensevccvccvccrloadv_gatev_sw_diodeXAL6060_223_122.0e-6v_outVDv_rampv_dutyr860kv_line_in

Step-Down (Buck) DC to DC Converter - Switching

This design is a detailed circuit implementation of the more abstract "state-average" buck converter model shown in the companion...

Mike Donnelly
VDVoltageV+V-V+V-c14333nr182kr6150kc73.0nr192kr710kc825.0E-12r1150kr15100r2010kr2110kc18110uop45op46vcc_halfvcc_halfv_errorv_setpointd_gate_drvv_sensevccvccvccrloadv_gatev_sw_diodeXAL6060_223_122.0e-6v_outVDv_rampv_dutyr860kv_line_in
Buck Converter component stress Op-Amp Lead-Lag Compensator Switching Converter PEG127KA3110Q Electrolytic Capacitor MC33272A OP-AMP XAL6060-223 Inductor MBRA130LT3G Diode MCH6337 Power MOSFET
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Points +3
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NCV8876 - Automotive Start-Stop Boost Controller

Power Electronics
d1Voltagevgen1r_i_sense0.011c233nr23.0kr_load3d2c6470uc7220uc8330uc94.7uc10470pNVD3055r910kr1033kNCV8876u1c11XAL4030_3323.3e-6r1115kv_battv_swv_boost_outv_compv_pcbv5vv_status

NCV8876 - Automotive Start-Stop Boost Controller

This example shows the performance of an ON Semiconductor NCV8876 Automotive Grade Start-Stop Boost Controller:

http://www.onsemi...

Mike Donnelly
d1Voltagevgen1r_i_sense0.011c233nr23.0kr_load3d2c6470uc7220uc8330uc94.7uc10470pNVD3055r910kr1033kNCV8876u1c11XAL4030_3323.3e-6r1115kv_battv_swv_boost_outv_compv_pcbv5vv_status
Start-Stop boost Soft Saturation NCV8876
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Points -16
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AC-DC Power Adapter

Darrell's Workspace
vsrc1c1100uqsrc1p_out(Linear)p_inp_gndVoltageRegload_resistanced1d2d3vreg25.0c247ur_loadd4xfmr1

AC-DC Power Adapter

This is a circuit design for a typical wall-plug power adapter.

The sinusoidal source represents a typical US 60 Hz, 120V AC wall...

Darrell
vsrc1c1100uqsrc1p_out(Linear)p_inp_gndVoltageRegload_resistanced1d2d3vreg25.0c247ur_loadd4xfmr1
Power Voltage Regulator AC-DC Converter transformer power supply
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Points +23
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NCV78703 Typical Boost Application Test Circuit

Power Electronics
dividerresistor-Aon_bbSPI_InjectorNCV78703All Integeron_bbSPI_InjectorNCV78703All IntegerfunctiongeneratorintegerNCV78703vgate1vgate2vgate3ibstsense1+ibstsense1-ibstsense2+ibstsense2-ibstsense3+ibstsense3-vboostdivgndgndpcompvbbvdrivevddenable1enable3bstsync/tst/tst1fso/enable2SPIfunctiongeneratorintegerSPIrsense10.01c5100nr110.0kc42.2nd1c8capacitance_value=22uu32rsense20.01d2L2L_nominal=10.0e-6DCR=3.5e-3Isat_L_30pct=20.0rlimresistance_value=1c33capacitance_value=4.4ubattery1v_open_circuit=12.6r_vdd_load100c39470nr29100c401usw2rsense30.01d3L3L_nominal=10.0e-6DCR=3.5e-3Isat_L_30pct=20.0sw333r36100kimon1u162initial_value=96Pulse_value=102u164boost_slpctrl=3boost_setpoint=96boost1_en=1boost2_en=1boost3_en=1p_distribution1=0p_distribution2=0p_distribution3=0u167u168vsrc12u1r22p20_compp8_ibstsense1_pvsw2p10_ibstsense2_pSPI_in[1:25]p22_vddp23_vdrivep3_vgate2vsw3p4_vgate3p17_bstsync_tst_tst1p2_vgate1v_battSPI_in_fixed[1:25]int_boost_setpointSPI_mid[1:25]int_boost3_enp18_enable1p1_enable3p12_fso_enable2r_loadqgen1constant_level=66p5_ibstsense3_pvsw1sw1v_outL1L_nominal=10.0e-6DCR=3.5e-3Isat_L_30pct=20.0p19_vboostdivp24_vbb

NCV78703 Typical Boost Application Test Circuit

This test circuit shows how the programmable features of the NCV78703 can be changed dynamically during the simulation run:

Test 1...

Mike Donnelly
dividerresistor-Aon_bbSPI_InjectorNCV78703All Integeron_bbSPI_InjectorNCV78703All IntegerfunctiongeneratorintegerNCV78703vgate1vgate2vgate3ibstsense1+ibstsense1-ibstsense2+ibstsense2-ibstsense3+ibstsense3-vboostdivgndgndpcompvbbvdrivevddenable1enable3bstsync/tst/tst1fso/enable2SPIfunctiongeneratorintegerSPI