Texas Instruments Power Topologies - TI.com
Transcript of Texas Instruments Power Topologies - TI.com
Texas Instruments Power Topologies
ti.com/powertopologies
D =Vout + VfVin+ Vf
D =Vout
Vin
VQ1 = Vin + Vf
VD1 = Vin
VQ1 = Vin
VQ2 = Vin
D =Vout + Vf - Vin
Vout + Vf
VQ1 = Vout + Vf
VD1 = Vout
D =-Vout + Vf
-Vout + Vf + Vin
VQ1 = Vin + Vf - Vout
VD1 = Vin - Vout
D =Vout + Vf
Vout + Vf + Vin
VQ1 = Vin + Vout + Vf +VC1,ripple
2
VD1 = Vin + Vout + VC1,ripple
2
D =-Vout + Vf
-Vout + Vf + Vin
VQ1 = Vin - Vout + Vf +VC1,ripple
2
VD1 = Vin - Vout + VC1,ripple
2
D =Vout + Vf
Vout + Vf + Vin
VQ1 = Vin + Vout + Vf +VC1,ripple
2
VD1 = Vin + Vout +VC1,ripple
2
Buck Synchronous Buck Boost Inverting Buck - Boost Sepic Cuk Zeta
DutyCycle
Q1 FETVoltage
D1 DiodeVoltage
PWM
Q1 FET Voltage
Q1 FET Current
D1 Diode / Q2 FET Voltage
D1 Diode /Q2 FET Current
L1 InductorCurrent
L2 InductorCurrent
D = Vout_pri
Vin
VQ1 = Vin
VD1 = Vout_sec + (Vin-Vout_pri) N
s
Np
VD1 = Vout + Vin
VQ1 = Vin + (Vout + Vf)
Ns
Np
Np
Ns
Np
Ns
Np
Ns
D =
(Vout + Vf)
Vin + (Vout + Vf)
Np
Ns
Np
Ns
D =
(Vout + Vf)
Vin + (Vout + Vf)
VD1 = Vout + Vin
Ns
Np
Vin + (Vout + Vf) N
p
NsVQ1 =
2
Fly - Buck™ Flyback Two Switch Flyback
Duty Cycle
Q1 FETVoltage
D1 DiodeVoltage
PWM
Q1 FETVoltage
Q1 FETCurrent
D1 DiodeVoltage
D1 DiodeCurrent
Np PrimaryCurrent
Ns SecondaryCurrent
Q1
Np
D3
Q2D4 D1
Ns CoCi
Ns
Np
Ns
Np
D =(Vout + Vf)
Vin
Ns
Np
D = (Vout + Vf)
Vin
Ns
Np
D =(Vout + Vf)
Vin
VQ1 = VQ1 = 2 Vin + Vf VQ1 = Vin + Vf
VD1 = Vclamp - Vf
Ns
Nd
VD1 = (Vin + Vf) - Vf
Ns
Np
VD2 = Vin - Vf
Active Clamp Forward Single Switch Forward Two Switch Forward
D2 DiodeVoltage
D1 DiodeVoltage
Q1 FETVoltage
DutyCycle
(1-D)
Vin
Ns
Np
VD2 = Vin - Vf
Ns
Np
VD2 = Vin - Vf
Np
VD1 = (Vin + 2 Vf)N
s- Vf
Co
L1
D2
D1
Np Ns
Q1
Q2
D3
D4
Ci
Inductor L1Current
Ns Secondary
Current
NpPrimaryCurrent
FET Q1Current
FET Q1Voltage
PWM
VQ1 = 2 · Vin
Ns
Np
VD1 = 2 · Vin · - Vf
D =(Vout + Vf)
Ns
Np
Vin
1
2
Push-Pull
DutyCycle
Q1 FETVoltage
D1 DiodeVoltage
PWM
FET Q1Voltage
FET Q1Current
Np1 PrimaryCurrent
Ns2 Secondary
Current
Inductor L1Current
D =Vout + Vf
Ns
Np
Vin
1
2
Np
Ns
VQ1 = Vin + 2 (Vout + Vf)
VD1 = 2 (Vout + Vf)
Weinberg
DutyCycle
Q1 FETVoltage
D1 DiodeVoltage
PWM
FET Q1Voltage
FET Q1Current
Np Primary Current
Ns Secondary
Current
Np1 Primary Current
Ns1 Secondary
Current
Half - Bridge Full - Bridge Phase Shifted Full - Bridge
Duty Cycle
Q1 FETVoltage
D1 DiodeVoltage
PWM
Q1 FETVoltage
Q1 FETCurrent
Np PrimaryCurrent
Ns SecondaryCurrent & Diode D1 Current
Diode D1Voltage
Inductor L1Current
D =Vout + Vf
NsNp
Vin
VQ1 = Vin
NsNp
VD1 = Vin - Vf
12
D =Vout + Vf
NsNp
Vin
VQ1 = Vin
Ns
NpVD1 = 2 Vin
- Vf
D =
Vout + Vf
Lp + Lsh
NsNp
Vin Lp
VQ1 = Vin
(Transformer)
(Transformer)
Lp + Ls
Ns
NpVD1 =
2 Vin Lp- Vf
Co
L1Q2
Q1
Np
Ns1
Ns2
D2
D1Q3
Q4
Ci
Q1
D1
Np2 Ns2
Np1 Ns1D2
Q2
Np
D3
Ns
Ci
Co
L1
Co
D2
D1
Ci
Q2 Q1
Np2 Ns2
Np1 Ns1
SLUW001G
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