FS9952_LP1

Rev. 2.0

19/31

15.2 Components List of Common Use Circuitry

No.

Spec.

No.

Spec.

No.

Spec.

No.

Spec.

No.

Spec.

R1

1MΩ

R13

22kΩ

R25

100kΩ

C7

27nF

D2

1N914

R2

82kΩ

R14

10kΩ

R26

0.01Ω

C8

10μF

VR1

2kΩ

R3

51Ω

R15

1kΩ

R27

0.99Ω

C9

0.47μF

VR2

10kΩ

R4

20kΩ

R16

100kΩ

R28

99Ω

C10

0.47μF

VR3

10kΩ

R5

10kΩ

R17

900kΩ

R29

100kΩ

C11

27nF

F1

Fuse 20A

R6

100kΩ

R18

100kΩ

PTC

1.5kΩ

C12

27nF

F2

Fuse 0.5A

R7

40kΩ

R19

1kΩ

C1

10μF

C13

27nF

LCD

LCD

R8

90kΩ

R20

10kΩ

C2

10μF

C14

0.1μF

XTAL

4MHz

R9

10kΩ

R21

101.01kΩ

C3

10μF

C15

0.1μF

IC

FS9952_LP1

R10

180Ω

R22

1.111MΩ

C4

10μF

Q1

9014

Battery

1.5V×2

R11

22kΩ

R23

10MΩ

C5

10nF

Q2

9013

BP

Buzzer

R12

28.5kΩ

R24

100kΩ

C6

4.7μF

D1

1N914

Note: The accuracy, power, pressure-proof and so on technical indications do not list in the Common Use

Circuitry and components table, it depends on the actual demand for users themselves in products

design.

15.3Power System

R7

40k

R4

20k

R2

82k

VR2

10k

C4

10μF

C3

10μF

C1

10μF

C8

10μF

C2

10μF

C14

0.1μF

3V

BT1

57

REFI

58

REFO

39

VDDA

33

VB

38

VGG

36

CA

37

CB

31

VDD

30

AGND

29

VSS

FS9952

Diagram 7

Power System

The voltages of IC pins in the power system are shown as Diagram 8.

2*VDD

3.9V

1.2V

1.5V

FS9952

0.4V

1.5V

38 VGG

39 VDDA

58 REFO

57 REFI

31 VDD

29 VSS

30 AGND