3

4

5

6

7

Rsense = Vctrl / (30*Imax) Rsense = 1.5/(30x5)

10mR 1% 0.5W R19 105K 1%

Q4

+

S

G

A

D10

22uF

Vin > 14V

R12 100K 1%

100nF

R10 47K

C13

100nF

Iout max = 5A

Switch Power / Emergency Stop

S

1

R13 261K 1%

C15

10nF

n.m

A

10R 1% R17

33nF 10R 1% R18

n.m

C16

+BATT

Vbatt

D

Output1: 12V / 5A (60W)

LTC3741: Ploss = Vin*Icc + (Vin-Vcc)*(Qg_low+Qg_high)*f Ploss = 30*2.5mA + (30-5)*(53nC+53nC)*250KHz = 0.8W D.T = 0.8W * 50°C/W = 40°C

f=246KHz

LTC4359 + D + Q : Ploss negligeables

C22

1

1uF

2

B J6

D3

CONN_2

Q1

G

D1

SMAJ40A

8.2nF

V1

1

TP3

IPB015N04L G

C14

1

C18

2

SMAJ40A

TP1

In1 V47ZA05P

J1

796644-2

B

2

J5

C21 R11 680K

D4

Input1: Vin: 14V-30V 15A max

C20 n.m

282805-2

n.m

220nF

R14 68K

U1

C17

20 19 18 17 16 15 14 13 12 11

Vccint LG GND CBOOT Vin SW EN HG Vref GND CTRL2 SYNC GND RT CTRL1 VC SS SENSEFB SENSE+

R15 174K 1%

R9 48.7K 1%

C10

1 2 3 4 5 6 7 8 9 10

GND

R8 383K 1%

1uF

3.3uF

2

LT3741EFE

B340

C9

R20 11.8K 1%

C12

2

8A

C8

21

C11

C7

560R R7

D D11

Q3

B340

n.m

G

1uF

1

C19

JP1

C6

JUMPER

C5

F1 2

1

BuckOut1

2

470uF 50V

L1

+

+12V

R16

L1-

1

L1+

D9

22uH

S

LED R

D

470uF 50V

CSD18532KCS

J3

2

796644-2

1

Measure Vbatt

Q6

+

R32 105K 1%

Q5

G

2

TP2

D

n.m

7mR 1% 0.5W

S

1uF

JP2

C25

1

C24

JUMPER

470uF 50V

+

C23

+5V

Q2

D6

1 2 3 4

LTC4359 U3 Gate Out Src NC NC Vss In /SHDN

C3

8 7 6 5

R26 237K 1%

n.m

C30

C32

C33

10nF

n.m

3.3uF

n.m

2

8A

1

Output2: 5V / 6A (30W)

220nF

C

10R 1% R29 C36 33nF

R27 68K

U4 C28

LTC4359 + D + Q : Ploss negligeables

DDZ9699-7 MMSZ5231B

Iout max = 7A

C35

20 19 18 17 16 15 14 13 12 11

10R 1% R30

n.m

47nF

C34

R28 174K 1%

100nF

+BATT

D

R24 680K

D7

C27 R25 100K 1%

100nF

IPB015N04L G

G

SMAJ40A

D5

S

V2

1

In2 V47ZA05P

J2

796644-2

2

C26 TP6

R23 47K

D8 SMAJ40A

TP4

R22 115K 1%

Vin > 7V

Input2: Vin: 14V-30V 15A max

LT3741EFE Vccint LG GND CBOOT Vin SW EN HG Vref GND CTRL2 SYNC GND RT CTRL1 VC SS SENSEFB SENSE+ GND

C

1 2 3 4 5 6 7 8 9 10

C39

2

22uF

C38

R33 33.2K 1%

1uF

C37

21

C31 B340

R21 383K 1%

N.M R2

D12 C29

F2 2

1

BuckOut2

J7

R31

L2-

D14

L2+

L2

1K R3

0R R1

shutdown for later use (MCU control or automatic shutdown with hysteresis)

S

150R R34

D

n.m 10nF

Rsense = Vctrl / (30*Imax) Rsense = 1.5/(30x7)

22uH

1

CSD18532KCS

C2

796644-2

/!\ the important R value of the inductance may introduce important loss and damage the component for Iout > 6.5A during long time

LED J

CHANGER EMPREINTE, PAS + gros

47nF

470uF 50V

C1

8 7 6 5

D13

Gate Out Src NC NC Vss In /SHDN

B340

LTC4359 U2

G

1 2 3 4

D2

MMSZ5231B

DDZ9699-7

LTC3741: Ploss = Vin*Icc + (Vin-Vcc)*(Qg_low+Qg_high)*f Ploss = 30*2.5mA + (30-5)*(53nC+53nC)*250KHz = 0.8W D.T = 0.8W * 50°C/W = 40°C

f=246KHz

8.2nF C4

D 1

TracoOut

+

C40

C41

C42

1uF

n.m

+Vin +Vin

1 14 16

+Vout -Vout

+

C43

56R R35

23 22

C44

Output3: 3.3V / 1.8A (6W)

C45 3.3uF

100nF 1

JUMPER

TracoIn

2 3

-Vin -Vin

9 11

NoPin NC

2

2

2

2A

U5 100uF 16V

1

TEN62410WIN 470uF 50V

N.M R5

JP3

J8

TP5

796644-2

+3.3V

F3 2

D15

shutdown for later use (MCU control or automatic shutdown with hysteresis)

LED V

D

1K R6

0R R4

n.m 10nF

2 C46

V6

V7

C47 3.3uF

trou M3 V3

E

Sample: LT: LT3741EFE#PBF LT: LTC4359HMS8#PBF TI: CSD18532KCS Tyco: 796642-2 + 282805-2

trou M3

trou M3

trou M3

Reb'UT - Simon Chaudeurge File: CarteAlim2014.sch Sheet: / Title: Carte Alim 2014 Size: A3 Date: 16 dec 2013 KiCad E.D.A.

V4 trou M3 V5

2

Output4: Vbat (24V nom.)

100nF

V8

trou M3 1

1

J4

Vbatt

796644-2

Vin: 9V - 36V Vnom = 24V Vout= 3.3V / 6W Over and short Current protection Efficiency = 70%

3

4

5

6

Rev: A Id: 1/1 7

E