Electrical specifications

L5958

12/20

Doc ID 17716 Rev 1

3.4

Application diagram

Figure 3.

Application circuit

Recommended output filtering capacitors for all the regulators: C range = 5 µF to 100 µF,

ESR range = 50 m

Ω to 10 Ω (T= -40 °C to +85 °C)

The detection voltage thresholds (for both the battery warning 1 and 2) can be changed

lower with external resistors, as following:

VIN1

CAN_LOW_IN

AUDIO_LOW_IN

EN_SW

REG 3P3P

10k

EN_8P5_5

EN_3P3_1P8

EN_3P3SW_1P8SW

IGNIN

IGNOUT

BU1

BU2

CRES

1000µF

1000µF

1000µF

47nF

1000µF

0.1µF

10µF

10µF

10µF

10µF

10µF

10µF

0.1µF

R1

R2

R4

R3

13

12

22

10

5

9

19

25

27

23

21

4

26

3

17

15

14

8

11

16

18

6

2

24

20

15pF

10k

10k

10k

10k

10k

RES

CAN_PRETEMP

AUDIO_LOW_OUT

AUDIO_HIGH_OUT

SW

VDDCORE

REG2_5V

REG1_8P5

REG5_3P3P

REG6_1P8P

REG3_3P3SW

REG4_1P8SW

71

GND

TAB

VIN2

+

-

+

-

AC00567

1k

Ω