Continental Automotive DHSHMCNFCDN8 User Manual
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Requirements Specification
ID:
Type:
Project:
Document as of:
Document State:
314849
Requirements Document
/Sensors/DHS_HMC_DN8_NFC
NOVEMBER 8, 2018, 10:44:28
In Work
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
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SAP ID
Document version as of
November 8, 2018
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Document content:
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
314849
SAP ID
Document version as of
November 8, 2018
Pages
3 of 31
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Offenders will be held liable for payment of damages. All rights created by patent grant or registration of a utility model or design patent are reserved.
Table of Contents:
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HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
314849
SAP ID
Document version as of
November 8, 2018
Pages
4 of 31
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited.
Offenders will be held liable for payment of damages. All rights created by patent grant or registration of a utility model or design patent are reserved.
1 General
1.1 Glossary
DN8: HMC platform name
DH: Door Handle (means Outside Door Handle)
DHS: Door Handle Sensor Module (Unlock and Lock capacitive sensors)
LF: Low Frequency (125kHz signal for communication from ECU to Keyfob)
RF: Radio-Frequency (433 MHz signal for communication from Keyfob to ECU)
ECU: Electronic Control Unit
BCM: Body Controller Module
IAU: HMC ECU name
NFC : Near Field Communication
PCD : Proximity Coupling Device (the Reader)
PICC : Proximity Integrated Circuit Card (the Smartcard/the Smartphone)
SE: System Engineering
ME: Mechanical Engineering
EE: Electrical Engineering
HW: Hardware
SW: Software
HSI: Hardware Software Interface
ICT: In Circuit Tester
EOL: End of Line (Tester)
RT: Room Temperature
DV: Design Validation
PV: Product Validation
EMC: Electro Magnetic Compatibility
DGL: Design GuideLines
1.2 Items ID and Type
This document is generated automatically from the System Requirements Specification stored in
the Requirement Management tool IMS.
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
314849
SAP ID
Document version as of
November 8, 2018
Pages
5 of 31
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited.
Offenders will be held liable for payment of damages. All rights created by patent grant or registration of a utility model or design patent are reserved.
All Items will appear with :
ID: IMS Item Identifier, for traceability and change management purpose
Type: Requirement or Comment, Definition or Characterization Only
State: (for Requirement type only) : In work, Submitted (ready for review) or Released
1.3 Type of Sensor
This sensor is a DHS.
The DHS is a standalone module with double capacitive sensor, NFC and pocket lighting.
This module is integrated into a DH, and used in Keyless Entry System, enabling 'key-free'
Vehicle Unlocking and Locking.
1.4 Sensor Functions
The DHS has 4main functions :
- Unlock Function : Capacitive detection
- Lock Function : Capacitive detection
- Pocket lighting : Illumination of the pocket of the door
handle.
1.5 Capacitive Sensing - Physical Principle
The sensing principle is based on the measurement on an Electrode Capacitance (Cp)
A human body approaching this Electrode creates an additional Capacitance (Cf) by coupling
effect.
The equivalent capacitance (Cp+ Cf) is then larger than Cp.
The SW periodically measures the Electrode Capacitance with a defined technology.
The SW can then process this information and decide to trigger or not a "DETECTION", based on
the capacitance variation.
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
314849
SAP ID
Document version as of
November 8, 2018
Pages
6 of 31
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited.
Offenders will be held liable for payment of damages. All rights created by patent grant or registration of a utility model or design patent are reserved.
2 ME Requirements
2.1 Construction Requirements
2.1.1 Components
2.1.1.1 Components
ID: 315224
State: Released
The DHS module shall be composed of:
-a packaging:
- plastic housing
- plastic cover
- a PMMA lightguide
- potting material
- foam pad on Lock Area (the function is to keep the water out of the zone)
- foam pad on housing (in order to maintain DHS in Door handle
-1 connection modules:
- Pressfit
- connector
-an electronic detection module:
- PCB with electronic circuit (for detection technology)
- Unlock Electrode (sensitive element) metal-stamping soldered on the PCB
- Lock Electrode (sensitive element) and NFC antenna on Flex-PCB soldered on the PCB
- LED
2.1.2 Materials
2.1.2.1 Storage Temperature Range
ID: 315229
State: Released
The Mechanical Design shall guarantee the sensor robustness over Temperature storage range:
-40°C to +85°C.
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
314849
SAP ID
Document version as of
November 8, 2018
Pages
7 of 31
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited.
Offenders will be held liable for payment of damages. All rights created by patent grant or registration of a utility model or design patent are reserved.
2.1.2.2 Operating Temperature Range
ID: 315223
State: Released
The Mechanical Design shall guarantee the sensor robustness over Temperature operating
range: -40°C to +75°C.
2.1.2.3 Housing / Cover Materials
ID: 315254
State: Released
The Housing and Cover materials shall be PBT-BASF Ultradur.
2.1.2.4 Lightguide material
ID: 314901
State: Released
The Lightguide material shall be PMMA, compatible with lighting function
2.1.3 Assembly / Sealing
2.1.3.1 Module Sealing
ID: 315255
State: Released
The DHS shall be sealed with PolyUrethane (PU) resin.
The sealing process shall ensure absolute water tightness.
2.2 Right/Left Variants
ID: 315143
State: Released
There shall be 2 mechanicals variants, left and right versions.
2.3 Connector Requirements
ID: 315116
State: Released
DHS shall integrate a 6 pin connector with a 4 channel seal.
Connector Designation: KET connector Seal (6pins)
Part Number: MG614130-4
Part Number (Conti): A2C53309067
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
314849
SAP ID
Document version as of
November 8, 2018
Pages
8 of 31
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited.
Offenders will be held liable for payment of damages. All rights created by patent grant or registration of a utility model or design patent are reserved.
CANH and CANLwires must be twisted together between connector and DHS module. There
shall be at least one twist (360°) per inch.
3 EE Requirements
3.1 Electronics Structure and Interface
3.1.1 Electronics Block Diagram
ID: 314963
State: Released
The Electronics shall be compliant with the following Block Diagram. (LF antenna is no longer
required)
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
314849
SAP ID
Document version as of
November 8, 2018
Pages
9 of 31
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited.
Offenders will be held liable for payment of damages. All rights created by patent grant or registration of a utility model or design patent are reserved.
3.1.2 Operating Temperature Range
ID: 314970
State: Released
The Electronic Design shall guaranty all electrical parameters over operating Temperature range
-40°C to +85°C, unless otherwise stated.
Components that are subjet to heat dissipation (regulator, LED, resistances...) shall withstand
higher temperatures according to power it shall dissipate.
3.1.3 Operating Voltage Range
ID: 315038
State: Released
The Electronic Design shall guaranty all electrical parameters over operating Voltage range UDH
= 6V to 18V, unless otherwise stated.
3.1.4 Peak Power Consumption
ID: 314976
State: Released
The Electronic Design shall guarantee the following peak power consumption:
Parameter
Description
Min
Typ
Max
U.
Comments
HMC- DN8 NFC - RG3 NFC - DL3 NFC - MQ4 NFC - SE
Requirement Specifications
Date
Department
Designed by
Released by
Designation
IMS ID
314849
SAP ID
Document version as of
November 8, 2018
Pages
10 of 31
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited.
Offenders will be held liable for payment of damages. All rights created by patent grant or registration of a utility model or design patent are reserved.
IqpkOFF
Peak Quiescent Current
200
400
mA
µController Awake,
NFC polling
CAN On
Lighting ON
3.2 IAU Interface Module
3.2.1 CAN Communication
ID: 314972
State: Released
The Electronics shall embed a IAU interface module, to handle CAN High-Speed Communication
(500kbits/s).
3.2.2 CAN wake-up capability
ID: 314979
State: Released
The Electronics shall be able to detect a CAN wake-up message on the Bus, in order to wake-up
the microcontroller in this case.
3.3 Lighting Module
3.3.1 Lighting Voltage range
ID: 314922
State: Released
Lighting operating voltage range is UDH = 9V to 16V in continuous operation.
Lighting module shall withstand to all disturbances coming from DHS power supply.
3.3.2 Lighting control
ID: 314892
State: Released
The electronic shall allow to enable and disable lighting module with the µController. The
activation and desactivation of lighting shall be described in HSI.
3.4 EE Performance
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