33394

33

MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

Figure 20. 33394 Application Circuit Schematic Diagram

VBAT

+Battery

JP1

1

2

VDDH

SW1

DIP–2

VPP_EN

IGN

VIGN

R14

4.7k

R3

4.7k

C28

10nF

C29

1.0uF/50V

C3

1.0uF/50V

D2

MURS320T3

L2

6.8uH

Q3

12

+

C4

100uF/35V

Vbat

1.0uF/50V

C26

+

VKAM

C23

10nF

C24

22uF

R4

22k

R6

20k

VREF1

C8

10nF

C9

1.0uF

R19

2.0R

VPP

+

C12

10nF

C13

10uF

+3.3V

+

C21

10nF

C22

10uF

R9 4.7k

R10 4.7k

R11 4.7k

R12 4.7k

37

36

35

34

DO

SCLK

DI

CS

VKAM

U1

D1

20BQ030

L1

47uH

12

R1

Q1

MMSF3300R2

D3

SS25

C1

100nF

R13

18R

430R

+

C5

3.3nF

C2

100uF/16V

C6

100pF

C7

1.0nF

VBAT

VBAT

VBAT

VBAT

KA_VBAT

N/C

VIGN

VKAM

VKAM_FB

VSEN

REGON

WAKEUP

VREF1

VPP_EN

VPP

VDD3_3

VDD3_3FB

VDDL_X

VDDL_B

VDDL_FB

N/C

/PRERESET

/HRESET

/PORESET

CANRXD

CANTXD

SW1

SW1

SW1

SW1

SW1

N/C

BOOT

SW2G

GND

INV

VCOMP

VPRE

VPRE_S

VDDH

VREF2

VREF3

N/C

DO

SCLK

DI

CS

N/C

/SLEEP

HRT

CANH

CANL

GND

VSEN

REGON

WAKEUP

VPP_EN

VDDL_X

VDDL_B

VDDL_FB

CANRXD

CANTXD

R16

10k

R17

10k

R18

10k

C25 *

R8

120R

R15

47k

C18

1.0uF

C16

1.0uF

VDDH

VREF3

R20

2.0R

R21

2.0R

C17

10nF

C14

1.0uF

C15

10nF

VREF2

C10

47uF

C11

10nF

VDDH

+

VPRE

R22

100k

VPRE_S

/SLEEP

1

54

2

53

3

52

4

51

5

50

6

49

7

48

8

47

9

46

10

45

11

44

12

43

13

42

14

41

15

40

16

39

17

38

18

37

19

36

20

35

21

34

22

33

23

32

24

31

25

30

26

29

27

28

34

35

36

37

VPRE

+

VDDL_B

VDDL_X

VDDL

VDDL_FB

VDDL = 2.6V

R5

110R

C20

47uF

C15

10nF

Q3

Q3

MJD31C

Q2

MJD31C

R7

100R

CON/34

J1

*Notes: 1. D2 is a protection diode against reverse battery fault condition. In those applications, which do not require this type of protection, diode D2 can be ommitted.

*

C27 *

C30

10nF

Table 3. 33394 Evaluation Board Performance

Parameter

Value

(TA = 25_C, Vin = 14V)

Line Regulation

(Vin = 5.2V to 26.5V)

Load Regulation

(Vin = 14 V)

V

[mV]

Load

[mA]

DV

[mV]

Load

[mA]

DV

[mV]

Load

[mA]

VDDH

5.028

400

10

400

18

0 to 400

VPP

5.026

150

10

150

5

0 to 150

VREF1

5.023

100

8

100

8

0 to 100

VREF2

5.022

100

8

100

10

0 to 100

VREF3

5.021

100

6

100

11

0 to 100

VDD3_3

3.307

120

5

120

7

0 to 120

VDDL

2.667

400

5

400

10

0 to 400

VKAM

2.638

60

2

60

14

0 to 60

Freescale Semiconductor, Inc.

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