STLC5445 datasheet(2/23 Pages) STMICROELECTRONICS

部件名	STLC5445

功能描述	QUAD LINE FEED CONTROLLER

PDF	23 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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2 / 23 page

STLC5445

2/23

BLOCK DIAGRAM

Relay driver 3B

Relay driver 3A

Relay driver 2B

Relay driver 2A

Relay driver 1B

VCC

WA0

CODC0

WB0

WBP0

Channel 3

Channel 2

Channel 1

V BAT

On / Off

line current

control

OLD

COD

Channel 0

COD & OLD

generation

Logic

interface

ILIM

PSC

PBIT

CKILC

RESETN

INTN

ALE

ES0 (A0)

ES1 (CSN)

ES2 (RDN)

ES3 (WRN)

NACK0 (D0)

NACK1 (D1)

NACK2 (D2)

NACK3 (D3)

Reference & biasing

generation

Thermal

monitoring

110°C

130°C

160°C

Voltage

and

current

biasing

Relay driver 1A

Relay driver 0B

Relay driver 0A

EREL0B

REL0A

REL0B

REL1A

REL1B

REL2A

REL2B

REL3A

REL3B

EREL0A

EREL1A

EREL1B

EREL2A

EREL2B

EREL3A

EREL3B

VCC

BGND

DGND

RGND

VBAT

Driving

output

clamping

I / O connections on channels 1, 2 and

3 are similar to those

shown for channel 0 but have been omitted for clarity

reasons.

Limiting

current

reference

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