TPS54160 www.tij.co.jp Ω µ µ VIN PWRGD µ µ TPS54160 90 EN BOOT 85 SS/TR RT/CLK COMP PH VSENSE GND Efficiency - % 80 75 70 65 60 V I = 12V, 55 V O = 3.3V, f sw = 1200kHz 50 0 0.25 0.50 0.75 1 1.25 1.50 1.75 2 Load Current - A
± µ µ µ µ µ 2
µ µ µ µ ± µ µ µ Ω µ µ µ 3
Ω µ µ µ µ Ω 4
5 1 2 3 4 5 6 7 9 8 10 Thermal Pad (11) BOOT VIN EN PH GND COMP VSENSE PWRGD SS/TR RT/CLK MSOP10 (TOP VIEW)
6 ERROR AMPLIFIER Boot Charge Boot UVLO UVLO Current Sense Oscillator with PLL Frequency Shift Logic And PWM Latch Slope Compensation PWM Comparator Minimum Clamp Pulse Skip Maximum Clamp Voltage Reference Overload Recovery VSENSE SS/TR COMP RT/CLK PH BOOT VIN Thermal Shutdown EN Enable Comparator Shutdown Logic Shutdown Enable Threshold TPS54160 Block Diagram Logic Shutdown PWRGD Shutdown OV GND POWERPAD 7 4 8 5 9 10 1 2 3 6 UO 11
RDSON - Static Drain-Source On-State Resistance - mω 500 V I = 12V 375 BOOT-PH = 3V 250 BOOT-PH = 6V 125 0 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - V ref - Voltage Reference - V 0.816 V I = 12V 0.808 0.800 0.792 0.784 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - 3.5 V I = 12V 610 600 V I = 12V, RT = 200kΩ Switch Current - A 3 2.5 f s - Switching Frequency - khz 590 580 570 560 2 50 25 0 25 50 75 100 125 150 550 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - T J - Junction Temperature - f s - Switching Frequency - khz 2500 2000 1500 1000 500 V I = 12 V, T J = 25 f s - Switching Frequency - khz 1000 800 600 400 200 V I = 12 V, T J = 25 0 0 25 50 75 100 125 150 175 200 RT/CLK - Resistance - kω 0 100 200 300 400 500 600 700 800 900 1000 RT/CLK - Resistance - kω 7
40 V I = 12V 150 130 V= 12 V I 30 gm - µa/v 20 gm - µa/v 110 90 70 10 50 25 0 25 50 75 100 125 150 50 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - T J - Junction Temperature - 1.40 3.25 V I = 12V V I = 12V, V I(EN) = Threshold +50mV 3.5 EN - Threshold - V 1.30 1.20 I (EN) - µa 3.75 4 1.10 50 25 0 25 50 75 100 125 150 4.25 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - T J - Junction Temperature - 0.8 0.85 V I = 12V, V I(EN) = Threshold 50mV 1 V I = 12V 1.5 I (EN) - µa 0.9 I (SS/TR) - µa 2 0.95 2.5 1 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - 3 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - 8
120 115 V I = 12V 100 80 V I = 12V, T J = 25 I I(SS/TR) - µa 110 % of Nominal f sw 60 40 105 20 100 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - 0 0 0.2 0.4 0.6 0.8 V SENSE - V 2 2 V I = 12V T J = 25 1.5 1.5 I (VIN) - µa 1 I (VIN) - µa 1 0.5 0.5 0 50 25 0 25 50 75 100 125 150 0 0 10 20 30 40 50 60 T J - Junction Temperature - V I - Input Voltage - V 140 130 V I = 12 V, V I(VSENSE) = 0.83V 140 130 T J = 25, V I(VSENSE) = 0.83V I (VIN) - µa 120 110 I (VIN) - µa 120 110 100 100 90 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - 90 0 20 40 60 V I - Input Voltage - V 9
RDSON - Ω 100 V I = 12V 80 60 40 20 PWRGD Threshold - % of V ref 115 V I = 12V 110 VSENSE Rising 105 VSENSE Falling 100 VSENSE Rising 95 90 VSENSE Falling 0 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - 85 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - 2.5 3 2.3 2.75 V I(BOOT-PH) - V 2 V I(VIN) - V 2.50 1.8 2.25 1.5 50 25 0 25 50 75 100 125 150 2 50 25 0 25 50 75 100 125 150 T J - Junction Temperature - T J - Junction Temperature - 500 400 V I = 12V, T J = 25 60 55 V (SS/TR) = 0.2V V I = 12V 50 Offset - mv 300 200 Offset - mv 45 40 100 35 0 0 100 200 300 400 500 600 700 800 30 50 25 0 25 50 75 100 125 150 VSENSE - mv T J - Junction Temperature - 10
11 µ µ Ω
µ µ 12 VOUT (ac) I L PH
4 V O = 3.3V 3.8 µ µ ± Ω V I - Input Voltage - V 3.6 3.4 3.2 3 Start Stop 0 0.05 0.10 0.15 0.20 I O - Output Current - A V I - Input Voltage - V 5.6 5.4 5.2 5 4.8 Start Stop V O = 5V µ µ 4.6 0 0.05 0.10 0.15 0.20 I O - Output Current - A 13
TPS54160 R1 VIN I1 0.9µA Ihys 2.9µA µ µµ + R2 EN 1.25V µ TPS54160 R1 VIN I1 0.9µA Ihys 2.9µA EN + SS/TR R2 EN 1.25V V SENSE R3 VOUT VOUT µ 14
3 4 6 3 TPS54160 EN SS/TR PWRGD TPS54160 EN TPS54160 4 SS/TR EN PWRGD EN 6 PWRGD SS/TR SS/TR PWRGD EN1, EN2 EN1 VOUT1 PWRGD1 VOUT2 VOUT1 VOUT2 15
TPS54160 EN VOUT1 SS/TR PWRGD EN TPS54160 VOUT2 R1 SS/TR R2 PWRGD R4 R3 16
EN EN VOUT1 VOUT1 VOUT2 VOUT2 EN VOUT1 VOUT2 ƒ 17
f s - Switching Frequency - khz f s - Switching Frequency - khz 2500 2000 1500 1000 500 1000 800 600 400 200 V I = 12V, T J = 25 0 0 25 50 75 100 125 150 175 200 RT/CLK - Clock Resistance - kω 0 100 200 300 400 500 600 700 800 900 1000 RT/CLK - Clock Resistance - kω V I = 12V, T J = 25 Ω Ω 18
2500 V O = 3.3 V f s - Switching Frequency - khz 2000 1500 1000 500 Skip Shift 0 10 20 30 40 50 60 V I - Input Voltage - V Ω Ω EXT Clock Source 10pF 50Ω 4kΩ R fset RT/CLK TPS54160 PLL 19
EXT EXT IL IL PH PH EXT PH VOUT IL Ω 20
µ Power Stage gm ps 6A/V PH a V O b R1 R ESR COMP R L C2 c R3 C1 CO RO gm ea 97µA/V 0.8V VSENSE R2 C OUT 21
V O VC Adc R ESR fp R L gm ps C OUT fz π π π π V O R1 VSENSE gm ea COMP Type 2A Type 2B Type 1 R2 Vref R O C O R3 C2 R3 C2 C1 C1 22
Aol A0 P1 A1 Z1 P2 BW π π π π π π π π π 23
ΩΩ C1 0.1 µ F L1 10µH 3.3 V at 1.5A 8-18 V C2 C3 C4 R3 2.2µF 2.2µF 0.1µF 332kΩ R4 61.9kΩ CSS 0.01µF RT U1 TPS54160DGQ BOOT VIN EN SS/TR RT/CLK 90.9kΩ PwPd PH GND COMP VSNS PWRGD CF 6.8 pf D1 B220A + RC 76.8kΩ CC 2700pF C OUT 47µF/6.3V R1 31.6kΩ R2 10kΩ 24
µ µ ƒ ƒ µ 25
µ µ Ω µ Ωµ ƒ ƒ ƒ ƒ ƒ ƒ ƒ 26
27 µ µ µƒ µ µ µ ƒ
28 µ ΩΩ Ω Ω Ω µ Ω Ω ƒ π ƒ π
ƒ πƒ ƒ ƒ π 𠃃 πƒ ƒ πƒ Ω Ω VO IO 29
VIN VOUT VOUT VIN EN IL IL VOUT VOUT IL IL PH PH VOUT VIN IL IL PH PH 30
VIN VIN IL IL PH PH 95 90 V I = 8V V O = 3.3V, f sw = 1200kHz 60 150 85 40 Phase 100 Efficiency - % 80 75 70 65 V I = 12V V I = 16V Gain - db 20 0 Gain 50 0 50 Phase - 60 55 50 0 0.25 0.50 0.75 1 1.25 1.5 1.75 2 I L - Load Current - A 20 40 100 1-10 3 100 150 1-10 4 1-10 5 1-10 6 f - Frequency - Hz 1.015 1.015 1.010 V I = 12V 1.010 I O = 0.5A Regulation (%) 1.005 1.000 0.995 Regulation (%) 1.005 1.000 0.995 0.990 0.990 0.985 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 Load Current - A 0.985 5 10 15 20 V I - Input Voltage - V 31
ƒ ƒ Ω 32
Vout Topside Ground Area Output Capacitor Route Boot Capacitor Trace on another layer to provide wide path for topside ground Catch Diode Output Inductor Vin Input Bypass Capacitor BOOT PH VIN GND EN COMP UVLO Adjust Resistors SS/TR RT/CLK VSENSE PWRGD Compensation Network Resistor Divider Slow Start Capacitor Frequency Set Resistor Thermal VIA Signal VIA 33
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Orderable Device Status (1) Package Type TPS54160DGQ ACTIVE MSOP- Power PAD TPS54160DGQG4 ACTIVE MSOP- Power PAD TPS54160DGQR ACTIVE MSOP- Power PAD TPS54160DGQRG4 ACTIVE MSOP- Power PAD Package Drawing Pins Package Qty DGQ 10 80 Green (RoHS & no Sb/Br) DGQ 10 80 Green (RoHS & no Sb/Br) DGQ 10 2500 Green (RoHS & no Sb/Br) DGQ 10 2500 Green (RoHS & no Sb/Br) Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3) CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM 35
REEL DIMENSIONS TAPE DIMENSIONS K0 P1 B0 W Reel Diameter Cavity A0 A0 B0 K0 W P1 Dimension designed to accommodate the component width Dimension designed to accommodate the component length Dimension designed to accommodate the component thickness Overall width of the carrier tape Pitch between successive cavity centers Reel Width (W1) QUADRANT ASSIGNMENTS FOR PIN 1 ORIENTATION IN TAPE Sprocket Holes Q1 Q2 Q1 Q2 Q3 Q4 Q3 Q4 User Direction of Feed Pocket Quadrants *All dimensions are nominal Device TPS54160DGQR Package Type MSOP- Power PAD Package Drawing Pins SPQ Reel Diameter (mm) Reel Width W1 (mm) A0(mm) B0 (mm) K0 (mm) P1 (mm) W (mm) Pin1 Quadrant DGQ 10 2500 330.0 12.4 5.3 3.3 1.3 8.0 12.0 Q1 36
*All dimensions are nominal Device PackageType TPS54160DGQR MSOP-PowerPAD Package Drawing Pins SPQ Length(mm) Width (mm) Height (mm) DGQ 10 2500 370.0 355.0 55.0 37
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DGQ (R-PDSO-G10) PowerPAD (SLVS795B) 40
IMPORTANT NOTICE 2001.11