mobile and wearable solutions - littelfuse.com
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Mobile and Wearable Solutions November 2018
2Littelfuse, Inc. © 2018 2
Mobile and wearable market analysis
Longer Battery Life
Faster Charging
Smaller
Connected
Video
Wireless Charging
User behaviors are driving product enhancements that require enhanced reliability
User behavior trends
§ Increasing types of use such as mobile payments
§ Capturing life's moments with photo and video
§ Video calls and social media posting
§ Primary navigation tool
§ Fitness tracking
§ Immersive video game experience
§ Working on-the-go
User Expectations
3Littelfuse, Inc. © 2018 3
Notebook computersTouch screen display: �
l TVS Diode Array for ESD and surge protectionl EMI filtering
DC input: �
l Fuse for overcurrent protectionl TVS Diode for surge protection
Li-ion battery: �
l Mini-breakers for over-temperature protection
Wired & wireless communications: �
l Polymer ESD Suppressorl SIDACtor surge protection for ethernet ports
� Protect � Control � Sense
Power control module: ��
l Power Inductor for noise filteringl NTC for temperature sensing
Storage: �
l Fuse for overcurrent protectionl TVS diode overvoltage protection
High speed data ports: �
l TVS Diode Array for ESD and surge protectionl EMI Filterl SMD PPTC for overcurrent protection
Low speed data inputs: �
l SMD Multilayer Varistors for surge protectionl EMI Filter
4Littelfuse, Inc. © 2018 4
Notebook computers block diagram – 1 of 2Technology Product Series
1TVS Diode Array SP1003
Fuse 435
2NTC RA
Power Inductor LPWI
3 Battery Mini-Breakers MHP-TA
4Fuse 435
TVS Diode SMAJ or SMF
5TVS Diode Array SP3522-01UTG
EMI Filter LCFE
Low speed data inputs
CPU
DC input
Lithium ion battery
Storage (SSD)
WiFi & Bluetooth
Light sensor Camera USB HDMI
Touch-screen display
Power control module
KeyboardMouse track pad
7
10
9
1 4
8
2 3
5
Note:Other Littelfuse solutions may be suitable depending on design specific requirements.
RJ-45 Ethernet
6
5Littelfuse, Inc. © 2018 5
Notebook computers block diagram – 2 of 2Technology Product Series
6 SIDACtor® Protection Thyristor P4500SxL
7 Polymer ESD Suppressor XGD
8TVS Diode Array SP1004U-ULC-04UTG
EMI Filter LCFE
9
Resettable PTC nanoSMD
TVS Diode Array SP11xx
EMI Filter LCFE
10Multilayer Varisor MHS
EMI Filter LCFE
Note:Other Littelfuse solutions may be suitable depending on design specific requirements.
Low speed data inputs
CPU
DC input
Lithium ion battery
Storage (SSD)
WiFi & Bluetooth
Light sensor Camera USB HDMI
Touch-screen display
Power control module
KeyboardMouse track pad
7
10
9
1 4
8
2 3
5RJ-45
Ethernet
6
6Littelfuse, Inc. © 2018 6
Smartphones
Charge & sync input: �
l TVS Diode Array for ESD and surge protection
l EMI Filter
Camera: �
l EMI Filterl TVS Diode Array for ESD
protection
� Protect � Control � Sense
Power control module: ��l Resettable PPTC for over-
temperature protectionl Power Inductor for noise filteringl Mini-breakers for over-temperature protection
Touch-screen display: �
l TVS Diode Array for ESD and surge protection
l EMI Filter
Wi-Fi and Bluetooth: �
l Polymer ESD suppressor
Cellular antenna: �
l Polymer ESD suppressor
7Littelfuse, Inc. © 2018 7
Smartphones block diagramTechnology Product Series
1TVS Diode Array SP1006-01UTG
EMI Filter LCFE
2
Resettable PTC nanoSMD
Power Inductor LPWI
Battery Mini-breakers MHP-TAC
3TVS Diode Array SPHV
EMI Filter LCFE
4 Polymer ESD Suppressor XGD
5EMI Filter LCFE
TVS Diode Array SP3422-04UTG
6 Polymer ESD Suppressor PESD
CPU
Charge & sync input
Lithium ion battery
Storage (SSD)
WiFi & Bluetooth
Cellular antenna
Touch-screen display
Power control module
4
6
1
2
3
Camera
5
Wireless charging
input
Note:Other Littelfuse solutions may be suitable depending on design specific requirements
8Littelfuse, Inc. © 2018 8
Wearable devices
� Protect � Control � Sense
Charge & sync input: �
l TVS Diode Array for ESD and surge protection
l Resettable PPTC for over-temperature protection
Touch-screen display: �
l TVS Diode Array for ESD and surge protection
l EMI Filterl Fuse for overcurrent protection
Wi-Fi and Bluetooth: �
l Polymer ESD suppressor
Camera: �
l EMI Filter
Cellular antenna: �
l Polymer ESD Suppressor
Power control module: �
l Power Inductor for noise filtering
9Littelfuse, Inc. © 2018 9
Wearable devices block diagramTechnology Product Series
1TVS Diode Array SP1004U-ULC-04UTG
Resettable PTC LoRho
2 Power Inductor LPWI
3
TVS Diode Array SP3522-01UTG
EMI Filter LCFE
Fuse 435
4 Polymer ESD Suppressor XGD
5 EMI Filter LCFE
6 Polymer ESD Suppressor PESD
CPU
Charge & sync input
Lithium ion battery
Storage (SSD)
WiFi & Bluetooth
Cellular antenna
Touch-screen display
Power control module
4
6
1 3
Camera
5
Wireless charging
input
Note:Other Littelfuse solutions may be suitable depending on design specific requirements
2
10Littelfuse, Inc. © 2018 10
Compliance and standards for mobile & wearable§ USB-IF Compliance§ HDMI§ Thunderbolt § IEC 60950-1 Information Technology Equipment Safety§ IEC 62368-1 Audio/video, information and communication technology equipment –
Part 1: Safety requirements§ Electrostatic discharges to IEC 61000-4-2§ Fast Transient Burst Test to IEC 61000-4-4§ Fast Transient Surge Test to IEC 61000-4-5§ MIL-STD-883E, Method 3015.7 – ESD “Human Body Model”
11Littelfuse, Inc. © 2018 11
Mobile & wearable devices – Center of our digital lives
Notebook
Drone
Medical Equipment
Headphone
Smart Phone
2-Way Radio
Battery PackSmart Watch
Tablet
Virtual Reality
Emergency Responder Radio
12Littelfuse, Inc. © 2018 12
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