U6813B 데이터 시트보기 (PDF) - Atmel Corporation

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U6813B

Fail-safe IC with High-side and Relay Driver

Atmel Corporation 

2. Pin Configuration

Figure 2-1. Pinning SO16

RELO 1

GND 2

P-RES 3

N-RES 4

P-EN 5

N-EN 6

VS

7

CAPI 8

16 3.3V

15 SGND

14 VCC

13 RELI

12 FETI

11 WDI

10 WDC

9 FETO

U6813B

Table 2-1. Pin Description

Pin Symbol

Description

1

RELO

Open-collector output driver

2

GND

Supply

3

P-RES

Digital output

4

N-RES

Digital output

5

P-EN

Digital output

6

N-EN

Digital output

7

VS

8

CAPI

Battery supply

Analog input

9

FETO

Power FET output

10 WDC

Analog input

11 WDI

Digital input

12 FETI

Digital input

13 RELI

Digital input

14

VCC

15 SGND

Supply

Supply

16 3.3V

Analog input

Function

Fail-safe relay driver

General ground

Positive reset signal

Negative reset signal

Positive enable signal

Negative enable signal

Voltage for charge pump

Input bootstrap capacitor

High voltage for N-channel FET

External RC for watchdog timer

Watchdog trigger signal

Activation of power FET

Activation of relay driver

5-V supply

Sense ground, reference for VCC and 3.3 V

3.3-V supply

Type

Driver on: L

Reset: H

Reset: L

Enable: H

Enable: L

Pulse sequence

FET on: H

Driver on: H

3

4543B–AUTO–10/05

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