ZSSC4132KIT [RENESAS]

Automotive Resistive Sensor Signal Conditioner with LIN Interface;
ZSSC4132KIT
型号: ZSSC4132KIT
厂家: RENESAS TECHNOLOGY CORP    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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