
1
2
3
4
5
6
7
8
D
POWER ON LED (+5V)
D5V
| R122 | P4 | 
| 330 | 
2
| A | LED1 | 
| K | GRN_LED | 
| 
 | 
 | 
 | 
 | 
 | RESET ON POWER UP | 
 | |||
| 5V, 3.0A DC INPUT | 
 | 
 | 
 | D3.3V | 
 | 
 | 
 | 
 | |
| 
 | 
 | D5V | 
 | 
 | R103 | 
 | 
 | 
 | 
 | 
| 
 | F1 | FUSE | 
 | L12 | 100k | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
 | 
 | 
 | 1 | U11 | 
 | 8 | 
| 
 | 
 | 
 | + C227 | C228 | 
 | CONTROL | VDD | ||
| 
 | H7 | 
 | 
 | 2 | 7 | ||||
| 
 | 
 | 
 | /RESIN | SENSE | |||||
| 1 | 
 | D1 | 47uF | 22uF | S1 | 3 | 6 | ||
| 3 | 3 | ZENER | 
 | 
 | PB | 4 | CT | RESET | 5 | 
| 2 | 
 | 
 | GND | /RESET | |||||
| 2 | 
 | 
 | 
 | 
 | 
 | 
 | |||
| 1 | SS26 | 
 | 
 | C190 | 
 | TLC7733IPWR | 
 | ||
| 
 | 
 | 
 | 
 | 
 | |||||
| 
 | HEADER 3 | 
 | 
 | 
 | 1uF | 
 | 
 | 
 | 
 | 
C1330.1uF
/RESET /RESET
D
1
C
1.8V_SUPPLY J1 JUMPER
| 2 | 1 | 
VOUT1 IS 3.3V 1A
VOUT2 IS 1.8V 2A
| 
 | 
 | R123 | 
 | 
 | 
 | 
 | R96 | 
 | 
 | 
 | 
| 
 | 
 | 249k | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | U12 | 
 | 
 | 
 | 0 | 
 | 
 | 
 | 
| D5V | 
 | 1 | GND | 
 | GND | 24 | R27 | 
 | 
 | 
 | 
| 
 | 
 | 2 | 
 | 23 | NO POP | 
 | 3.3V_SUPPLY | |||
| 
 | 
 | VIN1A | 
 | VOUT1A | 
 | |||||
| 
 | 
 | 3 | 
 | 22 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | VIN1B | 
 | VOUT1B | 
 | L13 | 
 | 
 | ||
| 
 | 
 | 4 | 
 | 21 | 
 | 
 | 
 | |||
| C229 | C136 | NC | VSENSE1/FB1 | 
 | C231 | C141 | ||||
| 5 | 20 | 
 | 
 | |||||||
| /MR | 
 | NC | R124249k | 
 | ||||||
| 22uF | 0.1uF | 6 | 
 | 19 | 
 | 22uF | 0.1uF | |||
| /EN1 | 
 | PG1 | 
 | 
 | ||||||
| 
 | 
 | 7 | 
 | 18 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | /EN2 | 
 | PG2 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 8 | 
 | 17 | R125249k | 
 | 
 | 
 | ||
| 
 | 
 | /RESET | 
 | NC | L14 | 1.8V_SUPPLY | ||||
| 
 | 
 | 9 | 
 | 16 | ||||||
| 
 | 
 | GND | VSENSE2/FB2 | 
 | ||||||
| 
 | 
 | 10 | 15 | 
 | 
 | 
 | 
 | |||
| 
 | 
 | VIN2A | 
 | VOUT2A | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 11 | 
 | 14 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | VIN2B | 
 | VOUT2B | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 12 | PP | 13 | 
 | 
 | 
 | 
 | ||
| C230 | C137 | GND | GND | R28 | 
 | C232 | C142 | |||
| 
 | 
 | 
 | ||||||||
| 22uF | 0.1uF | 
 | TPS70451PWP | 
 | 
 | 0 NO POP | 
 | 22uF | 0.1uF | |
| 
 | 
 | 
 | 
 | 25 | 
 | 
 | R97 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
FB1
FERRITE 
| Connect at pin 1 | 
 | Sets Voltage | |
| 3.3 sq in AGND, min thermal pad | 
 | ||
| 
 | R129 | 
 | |
| R126 | 3.74k 1% | ||
| R127 | C263 | ||
| EMI SUPPRESION. LOCATE NEAR EACH REGULATOR.C145 C256 | |||
| 71.5k 1% | 2k 1% | 8200pF | |
| 6 VIAS FROM PAD TO PLANE OR DIRECT TIE. | 
 | 
 | 
 | 
 | 
 | 
 | 
 | C260 | 
 | 
 | D3.3V | TP25 | |
| 0.1uF | 0.039uF | 
 | 
 | U13 | 
 | 
 | 470pF | 3300pF | 107 1% | 
 | TP | ||
| 
 | 
 | 
 | 21 | POWERPAD | 
 | 
 | 
 | C266 | R132 | R60 | TP | ||
| 
 | 
 | 
 | 
 | 
 | 20 | 
 | 1 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | RT | AGND | 
 | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
 | 
 | 19 | 2 | 
 | 
 | 
 | 10k | 1 | ||
| 
 | 
 | 
 | 
 | 
 | SYNC | VSENSE | 
 | 
 | 
 | ||||
| 
 | 
 | 
 | 
 | 
 | 18 | 3 | 
 | 10k 1% | R130 | 
 | 
 | ||
| 
 | 
 | L15 | 
 | 
 | SS/ENA | COMP | 
 | 
 | 
 | ||||
| 
 | 
 | 
 | 
 | 17 | 4 | 
 | 
 | 
 | 
 | 
 | |||
| D5V | 
 | 
 | 
 | VBIAS | PWRGD | C261 | 
 | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
 | 
 | 5 | 
 | 
 | 
 | 
 | ||||
| 
 | 
 | 
 | 
 | 
 | 
 | BOOT | 
 | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
 | 
 | 16 | VIN3 | 
 | L17 | 2.7uH | D3.3V | C272 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | ||||||
| 
 | 
 | 
 | 
 | 
 | 15 | 
 | 
 | 0.047uF | 
 | 
 | 
 | 
 | |
| 
 | C255 | BLM41P750SPT | C258 | 
 | VIN2 | 
 | 
 | 
 | 
 | NO POP | 
 | ||
| + | 
 | 14 | 
 | 6 | 
 | 
 | 
 | 
 | |||||
| 
 | VIN1 | PH1 | 
 | 
 | 
 | 
 | |||||||
| 
 | 47uF | C144 | + | C146 | 
 | 7 | 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | PH2 | 
 | 
 | 
 | 
 | 
 | |||||
C
B
J2 2
1 JUMPER
J4 2
1 JUMPER
J5 2
1 JUMPER
J6 2
1 JUMPER
3.3V_SUPPLY J10 JUMPER
H8
1
2
HEADER 2
H9
1
2
HEADER 2
H11
1
2
HEADER 2
H12
1
2
HEADER 2
H13
1
2
HEADER 2
| 
 | 
 | FB2 | 
 | CH1_AVDD | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | C134 | FERRITE | 
 | C191 | C138 | 
 | 
| C233 | 
 | C235 | 
 | |||
| 
 | 
 | 
 | 
 | 
 | ||
| 22uF | 0.1uF | 
 | 22uF | 1uF | 0.1uF | 
 | 
| 
 | 
 | 
 | 
 | 
 | 1.8V_SUPPLY J3 | 
 | 
| 
 | 
 | 
 | 
 | 
 | JUMPER | |
| 
 | 
 | 
 | 
 | 
 | 2 | 1 | 
| 
 | 
 | FB3 | 
 | CH2_AVDD | H10 | |
| 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | C135 | FERRITE | 
 | C192 | C139 | 1 | 
| C234 | 
 | C236 | 2 | |||
| 
 | 
 | 
 | 
 | |||
| 22uF | 0.1uF | 
 | 22uF | 1uF | 0.1uF | HEADER 2 | 
| 
 | 
 | 
 | 
 | 
 | J7 | 2 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 1 | 
| 
 | 
 | 
 | 
 | 
 | JUMPER | |
| 
 | 
 | FB5 | 
 | CH3_AVDD | H14 | |
| 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | C147 | FERRITE | 
 | C194 | C150 | 1 | 
| C239 | 
 | C242 | 2 | |||
| 
 | 
 | 
 | 
 | |||
| 22uF | 0.1uF | 
 | 22uF | 1uF | 0.1uF | HEADER 2 | 
| 
 | 
 | 
 | 
 | 
 | J8 | 2 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 1 | 
| 
 | 
 | 
 | 
 | 
 | JUMPER | |
| 
 | 
 | FB6 | 
 | CH4_AVDD | H15 | |
| 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | C148 | FERRITE | 
 | C195 | C151 | 1 | 
| C240 | 
 | C243 | 2 | |||
| 
 | 
 | 
 | 
 | |||
| 22uF | 0.1uF | 
 | 22uF | 1uF | 0.1uF | HEADER 2 | 
| 
 | 
 | 
 | 
 | 
 | J9 | 2 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 1 | 
| 
 | 
 | 
 | 
 | 
 | JUMPER | |
| 
 | 
 | FB7 | 
 | AVDD_REF | H16 | |
| 
 | 
 | 
 | 
 | 
 | 1 | |
| 
 | 
 | FERRITE | 
 | 
 | 
 | |
| 
 | C149 | 
 | C196 | C152 | 2 | |
| C241 | 
 | C244 | HEADER 2 | |||
| 0.1uF | 
 | 1uF | 0.1uF | |||
| 22uF | 
 | 22uF | 
 | |||
| 
 | 
 | FB4 | CH1_PLL_VDD | ||
| 
 | 
 | 
 | 
 | ||
| 
 | C140 | FERRITE | C193 | C143 | |
| C237 | C238 | ||||
| 
 | 
 | 
 | |||
| 22uF | 0.1uF | 22uF | 1uF | 0.1uF | |
| 
 | 
 | FB8 | CH2_PLL_VDD | ||
| 
 | 
 | 
 | 
 | ||
| 
 | C153 | FERRITE | C197 | C156 | |
| C245 | C248 | ||||
| 
 | 
 | 
 | |||
| 22uF | 0.1uF | 22uF | 1uF | 0.1uF | |
| 
 | 
 | FB9 | CH3_PLL_VDD | ||
| 
 | 
 | 
 | 
 | ||
| 
 | C154 | FERRITE | C198 | C157 | |
| C246 | C249 | ||||
| 
 | 
 | 
 | |||
| 22uF | 0.1uF | 22uF | 1uF | 0.1uF | |
| 
 | 
 | FB10 | CH4_PLL_VDD | ||
| 
 | 
 | 
 | 
 | ||
| 
 | C155 | FERRITE | C199 | C158 | |
| C247 | C250 | ||||
| 
 | 
 | 
 | |||
| 22uF | 0.1uF | 22uF | 1uF | 0.1uF | |
| 0.1uF | 
 | 0.1uF | 13 | PGND3 | PH3 | 8 | 
 | 
 | C268 | D13 | + C270 | 
| 
 | 10uF LESR | 
 | 12 | PGND2 | PH4 | 9 | 
 | 
 | 100 uF | ||
| 
 | 
 | 
 | 11 | 10 | 
 | C264 | 1000pF | 
 | 
 | ||
| 
 | 
 | 
 | PGND1 | PH5 | 
 | 
 | 
 | ||||
| 
 | 
 | 
 | 
 | 
 | 
 | 100uF | 
 | MURS120T3 | 
 | ||
| 
 | 
 | 
 | 
 | TPS54310PWP | 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 3.3V @1.5Amp Max | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | OPTIONAL CROSS COUPLE | D14 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 1.4V  | 
 | MURS120T3 | 
 | |
| 
 | 
 | Connect at pin 1 | 
 | 
 | 
 | 
 | 
 | ||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |||
| 
 | 3.3 sq in AGND, min thermal pad1.2V  | 
 | D15 | 
 | |||||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 1.1V  | 
 | MURS120T3 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | R128 | 
 | 
 | D16 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 17.4k 1% | 
 | 
 | ||
| 
 | 
 | R134 | 
 | 
 | 
 | 
 | R135 | C274 | 
 | MURS120T3 | 
 | 
| C160 | C257 | 71.5k 1% | 
 | 
 | 
 | 
 | 1.65k 1% | 0.01uF | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | C273 | 
 | R133 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | ||
| 0.1uF | 0.039uF | 
 | 
 | U14 | 
 | 
 | 560pF | 
 | 107 1% | 
 | 
 | 
| 
 | 
 | 
 | 21 | POWERPAD | 
 | 
 | 
 | 
 | C267 | D17 | 
 | 
| 
 | 
 | 
 | 20 | 
 | 1 | 
 | 
 | 3300pF | 
 | 
 | |
| 
 | 
 | 
 | RT | AGND | 
 | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 19 | 2 | 
 | 
 | 
 | MURS120T3 | 
 | ||
| 
 | 
 | 
 | SYNC | VSENSE | 
 | 
 | R131 | 
 | |||
| 
 | 
 | 
 | 18 | 3 | 
 | 
 | 
 | 
 | |||
| L16 | 
 | 
 | SS/ENA | COMP | 
 | 
 | 
 | 
 | |||
| 
 | 
 | 17 | 4 | 
 | 
 | 10k 1% | 
 | 
 | |||
| 
 | 
 | VBIAS | PWRGD | 
 | 
 | 
 | 
 | ||||
| 
 | 
 | 
 | 
 | 5 | C262 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | BOOT | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 16 | VIN3 | 
 | L18 | 2.7uH | 
 | 1.4V @1.5Amp Max | ||
| 
 | 
 | 
 | 15 | 
 | 
 | 0.047uF | 
 | 
 | DSP_CVDD | ||
| BLM41P750SPT | C259 | 
 | VIN2 | 
 | 
 | 
 | 
 | ||||
| 
 | 14 | 
 | 6 | 
 | 
 | 
 | 
 | 
 | |||
| 
 | VIN1 | PH1 | 
 | 
 | 
 | 
 | 
 | ||||
| C159 | + | C161 | 
 | 7 | 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | PH2 | 
 | 
 | 
 | 
 | 
 | ||||
| 0.1uF | 
 | 
 | 13 | 
 | 8 | 
 | 
 | 
 | 
 | C271 | |
| 10uF LESR | 0.1uF | PGND3 | PH3 | 
 | 
 | C269 | 
 | ||||
| 
 | 12 | 9 | 
 | 
 | 
 | + | |||||
| 
 | 
 | 
 | 11 | PGND2 | PH4 | 10 | 
 | C265 | 1000pF | 
 | 100 uF | 
| 
 | 
 | 
 | PGND1 | PH5 | 
 | 
 | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 100uF | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | TPS54310PWP | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
FB11
FERRITE 
POWER ESTIMATES BASED ON SPRU190 1.4V@600MHz 1.09 W 0.778A 3.3V@600MHz 0.52 W 0.157A ( no emif clk) MEASURED CURRENT ON C6416TEB, ~0.7A@5V
EACH REGULATOR CAN SUPPLY UP TO 3A OFCURRENT. HOWEVER COMPONENT VALUES HAVEBEEN SELECTED FOR 1.5A OPERATION.
VALUES CALCULATED WITH SWIFT DESIGN TOOL 2.0.
FOLLOW TPS54310 EVM LAYOUT
B
A
| 2 | 1 | 
1.8V_SUPPLY
J11 JUMPER
| 2 | 1 | 
1
H17
1
2
HEADER 2
H18
1
2
HEADER 2
| 
 | 
 | FB12 | 
 | IOVDD | |
| 
 | 
 | 
 | 
 | ||
| 
 | C162 | FERRITE | C200 | C164 | |
| C251 | C253 | ||||
| 
 | 
 | 
 | |||
| 22uF | 0.1uF | 22uF | 1uF | 0.1uF | |
| 
 | 
 | FB13 | 
 | DVDD | |
| 
 | 
 | 
 | 
 | ||
| 
 | C163 | FERRITE | C201 | C165 | |
| C252 | C254 | ||||
| 
 | 
 | 
 | |||
| 22uF | 0.1uF | 22uF | 1uF | 0.1uF | 
2
| FB14 | FB16 | FB18 | 
 | TP26 | 
| D3.3V | TP | |||
| FERRITE | FERRITE | FERRITE | 
 | TP | 
| 
 | 
 | |||
| 
 | 
 | 
 | 
 | 1 | 
| FB15 | FB17 | FB19 | 
 | TP27 | 
| FERRITE | FERRITE | FERRITE | D5V | TP | 
| 
 | TP | |||
| 
 | 
 | 
 | 
 | 1 | 
| 
 | 
 | 
 | 
 | TP28 | 
| 
 | 
 | 
 | DSP_CVDDTP | |
| 
 | 
 | 
 | 
 | TP | 
| 
 | 
 | 
 | 
 | 1 | 
3
| TP29 | TP32 | TP35 | TP38 | |||||
| TP | TP | TP | TP | |||||
| TP | 
 | TP | TP | TP | ||||
| 1 | 
 | 1 | 
 | 1 | 
 | 1 | 
 | |
| 
 | 
 | 
 | 
 | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| TP30 | TP33 | TP36 | TP39 | |||||
| TP | TP | TP | TP | |||||
| TP | 
 | TP | TP | TP | ||||
| 1 | 
 | 1 | 
 | 1 | 
 | 1 | 
 | |
| 
 | 
 | 
 | 
 | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| TP31 | TP34 | TP37 | TP40 | |||||
| TP | TP | TP | TP | |||||
| TP | 
 | TP | TP | TP | ||||
| 1 | 
 | 1 | 
 | 1 | 
 | 1 | 
 | |
| 
 | 
 | 
 | 
 | |||||
| 
 | 
 | 
 | 
 | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
4
| 
 | 
 | 
 | 
 | 
 | TEXAS INSTRUMENTS, INC. | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
 | 
 | 12500 TI BLVD | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
 | 
 | DALLAS, TEXAS 75243 | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
 | 
 | POWER | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
 | Size | 
 | FCSM No. | 
 | DWG No. | |||
| 
 | 
 | 
 | 
 | 
 | 
 | ||||||
| 
 | 
 | 
 | 
 | D | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | Scale | 
 | 
 | 
 | 
 | 
 | 
 | Sheet | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 7 of 17 | 
| 5 | 6 | 
 | 7 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 8 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
Rev 1
A
