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["Device: UCC278x4"]
["System","Component","Purpose","Component required","Typical Value","Reference Documents","Additional Considerations","Connections","Layout Recommendation","Check if Complete","Comments"]
["Bootstrap","Bootstrap Capacitor (Cboot)","Build charge to drive high side gate","Yes","Based on system specs.\nCboot ≥ 10 * Cg\ntypically 100nF","Bootstrap Circuitry Selection for Half-Bridge Configurations","50V , MLCC, X7R recommended","HS, HB","Place close to HS, HB pins","Open",null,true]
[null,"Bootstrap Resistor (Rboot)","limit Dboot current","No","2Ω - 5Ω  ","Bootstrap Circuitry Selection for Half-Bridge Configurations","If not included, placeholder recommended","VDD, Dboot","Minimize path length from supply to Cboot","Open",null,true]
[null,"Bootstrap Diode (Dboot)","Prevent back flow from HB to VDD","Yes",null,"Bootstrap Circuitry Selection for Half-Bridge Configurations","High Voltage (Voltage rating should be higher than the HB-VSS max voltage), fast recovery diode with a low forward drop voltage and low junction capacitance  ","Rboot, HB","Minimize path length from supply to Cboot","Open",null,true]
["Power Supply","Large Bypass Capacitor (CVDD)","reduce VDD drop at switch on","Yes","≥1μF or 10x bootstrap capacitor, whichever is larger",null,"50V , MLCC, X7R recommended","VDD, VSS","Place as close to VDD pin as possible, connect to large ground plane","Open",null,{"$f":"IF(#REF!, FALSE, TRUE)","v":{"$error":"#REF!"}}]
[null,"Small Bypass Capacitor (CVDD)","reduce noise on VDD pin","Yes",">100nF",null,"50V , MLCC, X7R recommended","VDD, VSS","Place close to VDD, connect to large ground plane","Open",null,{"$f":"IF(#REF!, FALSE, TRUE)","v":{"$error":"#REF!"}}]
[null,"Bias Resistor (Rbias)","Slow ramp up time","No","1Ω - 20Ω  ",null,null,"Bias Supply, VDD","Place close to bias supply","Open",null,true]
["Input filtering","HI Series Resistor (R_HI)","filter input noise","No","10Ω - 100Ω ",null,null,"HI, Input","Place close to HI pin","Open",null,{"$f":"IF(#REF!, FALSE, TRUE)","v":{"$error":"#REF!"}}]
[null,"HI Capacitor (C_HI)","filter input noise","No","10pF - 390pF",null,"25V , MLCC, X7R","HI, VSS","Place close to HI pin, to large ground plane","Open",null,{"$f":"IF(#REF!, FALSE, TRUE)","v":{"$error":"#REF!"}}]
[null,"LI Series Resistor (R_LI)","filter input noise","No","10Ω - 100Ω ",null,null,"LI, Input","Place close to LI pin","Open",null,{"$f":"IF(#REF!, FALSE, TRUE)","v":{"$error":"#REF!"}}]
[null,"LI Capacitor (C_LI)","filter input noise","No","10pF - 390pF",null,"25V , MLCC, X7R","LI, VSS","Place close to LI pin, to large ground plane","Open",null,{"$f":"IF(#REF!, FALSE, TRUE)","v":{"$error":"#REF!"}}]
["Outputs","HO On Resistor (Ron_HO)","reduce switching speed","No","1 - 33Ω",null,"If not included, placeholder recommended","HO, High Gate","Place as close to the gate as possible in order to minimize groud loop","Open",null,true]
[null,"LO On Resistor (Ron_LO)","reduce switching speed","No","1 - 33Ω",null,"If not included, placeholder recommended","LO, Low Gate","Place as close to the gate as possible in order to minimize groud loop","Open",null,true]
[null,"HO Off Resistor (Roff_HO)","control switch off speed","No","0 - 33Ω",null,"If not included, placeholder recommended","HO, Doff HO","Place as close to the gate as possible in order to minimize groud loop","Open",null,true]
[null,"LO Off Resistor (Roff LO)","control switch off speed","No","0 - 33Ω",null,"If not included, placeholder recommended","LO, Doff LO","Place as close to the gate as possible in order to minimize groud loop","Open",null,true]
[null,"Turn off Diode (Doff_HO)","increase switch off speed","No",null,null,"Use a Schottky diode with low Vf","High Gate, Roff HO","Place close to gate","Open",null,true]
[null,"Turn off Diode (Doff_LO)","increase switch off speed","No",null,null,"Use a Schottky diode with low Vf","Low Gate, Roff LO","Place close to gate","Open",null,true]
[null,"Pulldown Resistor (RgsHO)","hold MOSFET gate low during system startup / shutdown","No","5.1kΩ - 20kΩ ",null,null,"High Gate, HS","Place as close to the gate as possible","Open",null,true]
[null,"Pulldown Resistor (RgsLO)","hold MOSFET gate low during system startup / shutdown","No","5.1kΩ - 20kΩ ",null,null,"Low Gate, VSS","Place as close to the gate as possible","Open",null,true]
[null,"Clamping Diode (Dclamp HO)","reduce gate ripple","No","Schottky","[FAQ] What happens when output overshoot or undershoot occurs and how to address it?","Schottky","High Gate, HS","Place close to drive pin","Open",null,true]
[null,"Clamping Diode (Dclamp LO)","reduce gate ripple","No","Schottky","[FAQ] What happens when output overshoot or undershoot occurs and how to address it?","Schottky","Low Gate, VSS","Place close to drive pin","Open",null,true]