ZSSC4132KIT [RENESAS]
Automotive Resistive Sensor Signal Conditioner with LIN Interface;型号: | ZSSC4132KIT |
厂家: | RENESAS TECHNOLOGY CORP |
描述: | Automotive Resistive Sensor Signal Conditioner with LIN Interface |
文件: | 总3页 (文件大小:276K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Short-Form Datasheet
ZSSC4132
Automotive Resistive Sensor Signal Conditioner with LIN Interface
Description
Features
The ZSSC4132 is member of the Renesas’s family
of CMOS integrated circuits for highly accurate
amplification and sensor-specific correction of
differential bridge sensor signals. Featuring a
maximum analog pre-amplification in the range of
150 to 200, the ZSSC4132 is adjustable to nearly all
resistive bridges as well as voltage-source sensor
types.
Differential bridge sensor input and on-chip or
external temperature sensors, selectable for
conditioning of sensor input signal and/or
temperature output
Digital compensation of offset, gain, and higher
order nonlinearity as well as temperature
coefficients of measured bridge sensor input
signal
Operating temperature range -40°C to 150°C
Accuracy ±0.5% FS at -40°C to 150°C
Digital compensation of offset, sensitivity,
temperature drift, and nonlinearity is accomplished
by a 16-bit RISC microcontroller. Calibration
coefficients and configuration data are stored in the
ZSSC4132 non-volatile memory (NVM), which is
reliable in automotive applications.
NVM memory for configuration and calibration
data, and for configurable measurement and
conditioning functionality
LIN interface based on LIN Specification Package
2.2A
Measured values are provided via a LIN interface
according to the LIN Specification Package 2.2A.
The LIN interface enables transmission of sensor
data as well as transmission of supplementary data.
End-of-line calibration is also supported through this
output pin based on the LIN protocol. The
ZSSC4132 and the calibration equipment
Supports output of one or more sensor signals
and product identification via a single LIN
interface connection
Configurable for nearly all resistive bridge
sensors
One-pass end-of-line calibration algorithm
communicate digitally, so the noise sensitivity is
greatly reduced. Digital calibration helps keep
assembly costs low as no trimming by external
devices or lasers is needed.
minimizes production costs
No external trimming or components required
Supply voltage: 7V to 18V
Protection up to ± 40V (with external diode at
VBAT)
The ZSSC4132 is optimized for automotive
environments by overvoltage and reverse-polarity
protection circuitry, excellent electromagnetic
compatibility, and multiple diagnostic features.
Input span: 1 to 900 mV/V
Effective ADC resolution: 12 to 14 bit
Output resolution: defined by user LIN frame
specification
Typical Applications
Pressure and temperature sensing for automotive
up to signed 16-bit for raw data acquisition
applications
Package: 24-QFN (4 4 mm; wettable flanks)
Main application: HVAC for vehicular
ZSSC4132 Basic Circuit
environmental comfort
Bridge Sensor
with On-Chip
PN-Junction
Temperature
Sensor
LIN2
Available Support
24 23 22 21 20 19
RSHUNT
Evaluation Kit
18
1
2
3
4
5
6
BRP
BOT
BRN
TS1
TOP
TS2
Application Notes
Calculation Tools
LIN 17
LIN
16
CLIN
ZSSC4132
15
14
13
VSS
VB
GND
CVB
VBAT
RVB DVB
CVDDA
7
8
9
10 11 12
Jun.22.20
Page 1
ZSSC4132
Short-Form Datasheet
Block Diagram
VDDA2
VDDA1
SCL
SDA
ZSSC4132
Enable
TS1
I2C
External PN
Temperature
Sensor
VDDA
TOP
BRP
Input
Select
Gain
Select
ADC
Mode
NVM
RAM
Resistive
Bridge
Sensor
BRN
LIN2
SNPD/BSM
MUX
PGA
ADC
SCM
LIN
CMC
LIN
Interface
Temperature
Sensor
Analog
Front-End
ROM
VB
POWER
BOT
TS2
Digital Core
VSS
External
RTD / PT1000 / KTY
VSSA2
VSSA1
TSSUP
Analog
Digital
Interface
Power Management
ZSSC4132 Application Example: LIN Pressure and Temperature Sensor
Module powered directly by 12V board
Bridge Sensor
with On-Chip
PN-Junction
Temperature
net
LIN2
24 23 22 21 20 19
Sensor module with 3-pin connector
provides pressure and media
temperature signal within LIN frame
RSHUNT
Sensor
18
LIN 17
16
1
2
3
4
5
6
BRP
BOT
BRN
TS1
TOP
TS2
LIN
Media temperature signal derived from
external RTD
CLIN
ZSSC4132
15
14
13
VSS
GND
CVB
Temperature compensation via diode
on pressure chip
VBAT
VB
R1
RVB
DVB
End-of-line calibration using the one-
wire communication via LIN pin
CVDDA
7
8
9
10 11 12
PTC
Slave node position detection based
on
bus shunt method (using LIN2 pin)
Ordering Information
Note: Contact Renesas for additional options.
Part Number
Description and Package
MSL Rating
MSL1
Shipping Packaging
13” Reel
Temperature
-40°C to 150°C
ZSSC4132CE4R Single bridge input, LIN output, internal and/or
external temperature measurement, 4.0 4.0
mm 24-QFN with wettable flanks
ZSSC4132CE4W Single bridge input, LIN output, internal and/or
external temperature measurement, 4.0 4.0
mm 24-QFN with wettable flanks
MSL1
7” Reel
-40°C to 150°C
ZSSC4132KIT
ZSSC4132 SSC Evaluation Kit: Communication Board, SSC Board, Sensor Replacement Board, 5 Samples.
Jun.22.20
Page 2
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相关型号:
ZSSC4161
Automotive Sensor Signal Conditioner for a Single Resistive Bridge with SENT or I2C Output
RENESAS
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