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U6813B Datasheet(PDF) 3 Page - ATMEL Corporation

Part No. U6813B
Description  Fail-safe IC with High-side and Relay Driver
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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U6813B Datasheet(HTML) 3 Page - ATMEL Corporation

 
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3
4543B–AUTO–10/05
U6813B
2.
Pin Configuration
Figure 2-1.
Pinning SO16
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RELO
GND
P-RES
N-RES
P-EN
N-EN
V
S
CAPI
3.3V
SGND
V
CC
RELI
FETI
WDI
WDC
FETO
Table 2-1.
Pin Description
Pin
Symbol
Description
Function
Type
1
RELO
Open-collector output driver
Fail-safe relay driver
Driver on: L
2
GND
Supply
General ground
3
P-RES
Digital output
Positive reset signal
Reset: H
4
N-RES
Digital output
Negative reset signal
Reset: L
5
P-EN
Digital output
Positive enable signal
Enable: H
6
N-EN
Digital output
Negative enable signal
Enable: L
7V
S
Battery supply
Voltage for charge pump
8
CAPI
Analog input
Input bootstrap capacitor
9
FETO
Power FET output
High voltage for N-channel FET
10
WDC
Analog input
External RC for watchdog timer
11
WDI
Digital input
Watchdog trigger signal
Pulse sequence
12
FETI
Digital input
Activation of power FET
FET on: H
13
RELI
Digital input
Activation of relay driver
Driver on: H
14
V
CC
Supply
5-V supply
15
SGND
Supply
Sense ground, reference for V
CC and 3.3 V
16
3.3V
Analog input
3.3-V supply


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