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L9663 Datasheet(PDF) 12 Page - STMicroelectronics

Part # L9663
Description  PSI5 Transceiver IC
PDF  104 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9663 Datasheet(HTML) 12 Page - STMicroelectronics

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Overall description
L9663
12/104
DocID028693 Rev 1
10
GND1
Ground return for PSI5 interface (analog
ground and substrate ground)
supply
local
11
PSI1
PSI5 Interface 1
I/O
global
12
VAS
PSI5 Interface pre-regulated voltage supply
supply
local
13
NC(2)
--
-
14
PSI2
PSI5 Interface 2
I/O
global
15
GND2
Ground return for PSI5 interface (analog
ground and substrate ground)
supply
local
16
BL2
Bootstrap capacitor pin 2, transceiver 2
I/O
local
17
BH2
Bootstrap capacitor pin 1 or SYNC voltage
supply (from ECU), transceiver 2
I/O
local
18
NC(1)
--
-
19
VB
Input voltage supply
supply
global
20
VASSUP
VAS pre-regulator and charge pump voltage
supply
supply
global
21
VGS
Gate driver for VAS pre-regulator
I/O
local
22
NC2
--
-
23
MOSI
SPI input
I
local
24
SCLK
SPI Clock
I
local
25
CS
SPI Chip Select
I
local
26
RESETN
Reset
I
local
27
TM
Test-mode pin(3)
I
local
28
NC(2)
--
-
29
VINTD
Internal digital supply voltage
supply
local
30
DGND
Digital ground
supply
local
31
VDD
Digital I/O supply
supply
local
32
MISO
SPI output
O
local
1. Not connected internally, must be left open.
2. Not connected internally, it can be left open or connected to GND externally.
3. It must be connected to GND, for safety reasons.
Table 3. TQFP32 pin-out (continued)
Pin
Name
Description
Pin type



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