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STMicroelectronics - PSI5 Transceiver IC

Numéro de référence L9663
Description PSI5 Transceiver IC
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L9663 fiche technique
L9663
PSI5 Transceiver IC
Datasheet - production data
*$3*36
VFQFPN28
*$3*36
TQFP32
(Exposed pad down)
Features
2-channel PSI5 transceiver compatible with
rev. 1.3 and rev. 2.1
Manchester coded digital data transmission
High data transmission speed of 125 kbps
(optional 83.3 kbps and 189 kbps)
High EMC robustness and low emission
Bootstrap circuits for sync pulses
Current limitation and voltage clamp on
interface pins
Integrated charge pump stage for pre-
regulation with spread spectrum approach
Integrated FLL module for high accuracy timing
control
Reverse voltage protection structure
Short to ground tolerant with ±1.5 V ground
shift
32-bit SPI interface with address multiplexing
Operating voltage: VB = 4.8 V (5.2 V for sync
pulses with 3.5 V step) to 35 V
Ambient temperature range: -40°C to 140 °C
Package: VFQFPN28 or TQFP32EP
Description
The Peripheral Sensor Interface (PSI5) is an
interface for automotive sensor applications. PSI5
is an open standard based on existing sensor
interfaces for peripheral sensors and offers a
universal and flexible solution for multiple sensor
applications.
The PSI5 interface allows asynchronous or
synchronous operations and different bus modes.
The device is compatible with both v1.3 and v2.1
PSI5 revisions (limitations are specified inside this
document). It operates with a wide range of
sensor supply current and variable data word
length (8 to 28 bit).
The sensors are connected to the ECU using the
same line for power supply and data
transmission. The transceiver IC provides a pre-
regulated voltage to the sensors and reads in the
transmitted sensor data.
The PSI5 interface allows either point to point
connection or bussed mode.
Order code
L9663
L9663-TR
L9663-1
L9663-TR-1
Table 1. Device summary
Package
TQFP32 (Exposed pad)
VFQFPN28
Packing
Tray
Tape & Reel
Tray
Tape & Reel
January 2016
This is information on a product in full production.
DocID028693 Rev 1
1/104
www.st.com

PagesPages 30
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