SM8145 Просмотр технического описания (PDF) - Nippon Precision Circuits

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Компоненты Описание

производитель

SM8145

Dual EL Driver

Nippon Precision Circuits  

BLOCK DIAGRAM

VIC

VBOOST

SM8145A

EL 1

EL 2

VDD

LDR

CHV

OUT1

OUTCOM OUT2

High Voltage Switching Circuit

Divider

Oscillator

Control logic

Divider

Oscillator

OCL1 OCL2 OCL3

OCE

VSS

ROCL1

ROCL2

ROCL3 ENA1 ENA2

ROCE

PIN DESCRIPTION

Pin number Name

I/O

1

LDR

O

2

N.C.

–

3

VSS

–

4

N.C.

–

5

OCL1

I

6

OCL2

I

7

N.C.

–

8

OCL3

I

9

OCE

I

10

ENA2

Ip1

11

ENA1

Ip1

12

N.C.

–

13

VDD

–

14

N.C.

–

15

OUT2

O

16

OUTCOM

O

17

N.C.

–

18

OUT1

O

19

N.C.

–

20

CHV

I

1. Built-in pull-down resistor.

Function

Booster coil driver output

No connection (must be open)

Ground

No connection (must be open)

Coil driver oscillator 1 (oscillator frequency determined by external resistor)

Coil driver oscillator 2 (oscillator frequency determined by external resistor)

No connection (must be open)

Coil driver oscillator 3 (oscillator frequency determined by external resistor)

EL driver oscillator (oscillator frequency determined by external resistor)

Enable input 2 (HIGH: enable, LOW: disable)

Enable input 1 (HIGH: enable, LOW: disable)

No connection (must be open)

Supply

No connection (must be open)

Output 2

Output (common)

No connection (must be open)

Output 1

No connection (must be open)

High-voltage DC input

NIPPON PRECISION CIRCUITS—2

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