Comchip Technology

Comchip Technology
Product strengths in different market
segments and Diodes Application notes
Peter Liu
2009
Product Strengths – Flat Chip
Switching/Schottky/Zener Diode
Target segments:
Portable Device,
Handheld Device, e.g.
MP3, Palm, Hearing
Aid, Hand held
scanner, or customer
looking for smaller
size package as a
replacement.
Application Notes – Flat Chip
Switching Diode
Application for Flat Chip
Switching Diode
Battery Circuit for SRAM
General Buzzer
Application Circuit
Products
Diode
Selection
Guide
Comchip P/N
PDA, PC, Modem,
TV, Telephone,
Walkie-Talkie, Notebook
1. Low IR
CDSU001A
CDSU4148
CDSF001A
CDSF4148
Cellular Phone, PDA,
Personal Portable Devices,
Servo Motor, Pager
Translator, Remote Alarm
1. High VR
2. High IFM
CDSU4148
CDSF4148
CDSN4148
CDSS4148
Application Notes – Flat Chip
Switching Diodes
Application
Power Protection for
Modem
LCD BIAS SUPPLY
Products
Diode
Selection
Guide
Comchip P/N
Networking equipment,
RE-232, USB, Mouse,
PDA, Wireless Modem,
Bluetooth Module
1. Low VF
2. High VR
CDSN4148
CDSF4148
CDSU4148
Cellular Phone, PDA,
Digital Camera, Notebook
GPS
1. High VR
CDSU4148
CDSS4148
Application Notes – Switching Diode
Application
Digitally Adjusted StepDown Controllers for
Notebook CPUs
Products
Notebook
Diode Selection
Guide
1. Low IR
Comchip P/N
CDSU001A
CDSU4148
CDSF4148
Product Strengths – Low VF
Target Market:
Portable devices to
save energy and
extend battery life.
Environmental
friendly Green
product.
Comchip has the
Lowest VF=0.31V
@1A in the industry.
Application Notes – Schottky Series
Application
Power Supply Circuit for
DC to DC
Power Protection for
LCD Module
Products
Diode
Selection
Guide
Telecom, Cellular Phone,
PDA, Pager
1. Low VF
2. High VR
2. Short TRR
Cellular Phone, PDA,
GPS System
1. Low IR
2. High VR
Comchip P/N
CDB Schottky diodes
CDBA120-G
CDBB240-G
CDBC540-G
Application Note – Schottky Diodes
Application
Products
Diode
Selection
Guide
Comchip P/N
USB and Keyboard
Power Source
PC Peripheral, USB,
Keyboard
1. Low IR
2. Low VF
2. Short TRR
CDBA120-G
PC RS-232 with the
Cell Phone Adapter
Cellular Phone, PDA,
PLC, Digital Camera
1. Low VF
CDBA120-G
CDBA130-G
CDBA140-G
Application Notes – Schottky Diode
Application
High-Voltage
Power-Supply Controller
LCD BIAS SUPPLY
Products
Diode
Selection
Guide
Comchip P/N
Modem, PLC, Telephone
1. Low VF
CDBA120-G
CDBA130-G
CDBA140-G
CDBB240-G
CDBC340-G
CDBC540-G
Cellular Phone, PDA,
Digital Camera, Notebook,
GPS
1. High VR
CDBS0140
Application Notes – Schottky Diode
Application
Products
Diode
Selection
Guide
Comchip P/N
Digitally Adjusted StepDown Controllers for
Notebook CPUs
Notebook
1. Low IR
CDBS0140
CDBU0140
NiCd/NiMH Battery
Fast-Charge Controllers
Notebook, PDA, Cell Phone
1. High Io
2. Low VF
CDBA340-G
Product Strengths – High Efficiency
Rectifier
Target segment:
Industrial sensors,
industrial control
board, Power supply,
GPS system, Cellular
phone.
In most of the
application, S1G or
Rectifier 4000 series
are popular
specification.
Application Note -- Rectifier
Application
General Buzzer
Application Circuit
Power Protection for
LCD Module
Products
Diode
Selection
Guide
Comchip P/N
Cellular Phone, PDA,
Personal Portable Devices,
Servo Motor, Pager
Translator, Remote Alarm
1. High VR
2. High IFM
CGRA4001-G
CGRA4004-G
CGRA4007-G
S1A-G
S1G-G
S1M-G
Cellular Phone, PDA,
GPS System
1. Low IR
2. High VR
CGRA4004-G
Product Strengths – Bridge Rectifier
Target Market Segment:
Power Supply, Industrial
Application, High Power
application. Go up to Io=50A
Product Strengths – ESD/TVS Diode
Target Market:
High speed digital circuitry
applications including
cellular handsets and
accessories, portable
products, audio and visual
equipment, protection for
I/O ports, networking
systems, high-speed data
lines and computer
components.
TVS Diodes Application Guide
TELECOM
Application
CATV Set-Top Box
Applicable Comchip PN
P6KE200
Cable Modem
SMBJ14CA
Cellular Phone
SMAJ20C
Commercial Telecom Multiplexer
DSS (Direct Satellite System)
SMCJ5.0A
SMBJ170CA
P6KE91A
SMBJ150A
DSS Receiver
1.5KE18CA
SMBJ170A
Digital ISDN Telecom Network
SMCJ5.0A
GSM Phone [1]
SMAJ5.0A
Military Radio Controller
P6KE18CA
SMBJ9.0A
Personal Handy-Phone System
(PHS) [3]
P6KE91
SMBJ78
Router
P6KE91
SMBJ75A
Satellite Antenna
SMCJ20A
Satellite Dish System
SMCJ20A
SMCJ24A
Satellite Receiver
1.5KE27A
SMCJ24A
Telecom Switching System
1.5KE62A
SMCJ58A
SMBJ16A
TVS Diodes Application Guide
CONSUMER
Application
Air Conditioner
Applicable Comchip PN
1.5KE220A
Audio Op-Amp Output
Protection Circuit
LCE26A
Color TV (21")
P4KE120
DVD (Digital Video Disk) Player
1.5KE180A
Emergency Lighting
P6KE440CA
Flight Simulator
SMCJ36CA
HDTV
1.5KE200A
Home Security System
MP3 Player
Security Camera System
Smoke Detector
SA5.0A
P6KE120
SMCJ170CA
SA11CA
SMBJ12A
SMBJ22A
LCE7.0
SAC7.0
P6KE20CA
SMBJ40CA
TGV ABS System
1.5KE160CA
Vending Machine
SMAJ15
Video Camera
LCE28A
P6KE180A
SMBJ43A
TVS Diodes Application Guide
COMPUTER
Application
Applicable Comchip PN
Desktop PC
P4KE6.8A
Disk Drive
SMBJ5.0A
SA5.0A
HDD (Hard Disk Drive)
P6KE22
SMBJ5.0A
Laser Printer
P4KE200
P4KE250
Local Area Network (LAN)
Board
SMBJ15C
Modem Card
P6KE120CA
Motherboard
P6KE400A
Printer
UPS
SMBJ110CA
SMAJ5.0
1.5KE300A
1.5KE6.8A
TVS Diodes Application Guide
INDUSTRIAL
Application
Aircraft Engine Controller
Aircraft Onboard Electronics
System
Aircraft Sensor TVS Protection
Circuitry
Applicable Comchip PN
SMCJ13
SMBJ33CA
SMCJ13A
SMCJ24A
SMCJ6.5CA
SMCJ40CA
Airplane Lightning Protection
Equipment
LCE7.5A
SAC5.0
Card Reader
SMBJ5.0
SMCJ15CA
Control Equipment
SMAJ15C
Elevator
1.5KE440A
Airplane "Black Box" Data
Recorder System
Fire Alarm System
Gas Alarm
SA14
SMAJ5.0
SMAJ170
SMBJ5.0A
SMBJ15A
Nuclear Test Box
SA45CA
SA51CA
Power MOSFET protection
(P6KE36A)
P6KE36A
Image Inspection System
Submarine
1.5KE350A
Voltage Regulator
1.5KE20A
5KP20A
SMCJ28A
SMCJ33CA
TVS Diodes Application Guide
AUTOMOTIVE
Application
Adjustable Pedal Module (APM)
Airbag
Airbag Crash Sensor Module
Applicable Comchip PN
SMBJ26A
5KP24A
SMBJ24CA
Alarm System
P6KE27A
Electronic Ignition Module
P4KE300A
Engine Control
1.5KE13A
5KP24
5KP43A
P6KE68A
Load Dump Circuit [8]
SMBJ24A
Mass Air Flow Regulator
SMAJ24C
Oxygen Sensor
SMAJ15A
Power Window Control Module
P6KE51A
SMBJ45A
Speed Control Module
1.5KA24A
SMCJ22A
Steering Controller
Truck Transmission Controller
5KP28A
SMAJ30C
SMCJ13A
TVS Diodes Application Guide
POWER SUPPLY
Application
Applicable Comchip PN
AC/DC Converter
SMBJ5.0A
3.3V SMPS Output
SMBJ20A
Bank ATM Machine Power
Supply
1.5KE51A
SMCJ45A
High Power SMPS
P6KE160
SMBJ130
Lightning Suppression
Board
5KP51
5KP51A
5KP78
5KP78
A
Switching power supply
P6KE200A
Transient Suppression
Circuit
1.5KE220CA
5KP5.0A
5KP12A
5KP15
A
5KP2
4A
TVS Diodes Application Guide
LIGHTING BALLAST
Application
Active Power Factor Correction Ballast
Control Circuitry
Electronic Ballast (EB)
Applicable Comchip PN
P6KE220A
P4KE440CA
P6KE400
Electronic Dimmer Ballast
P4KE440A
Electronic Lighting Ballast
1.5KE300A
Fluorescent Ballast
P6KE300