Technical solution

1. Capacitive Touch Sensors

2. Transducer

3. LED Lighting

4. Smoke Detector

5. Amplifier

6. DAB (Digital Audio Broadcasting)

 

Capacitive Touch Sensors

Advanced Sensor Integrations (ASI): 


*  Be located in Santa Clara, California.
*  Be Analog, Sensor and Mixed-mode design experts 
*  Having an extensive design knowledge base in areas such as electrical sensors, MEMS sensors
*  To provide standard products and IPs for consumer electronics, computer and medical industries

AS1080 - 8 Channels Capacitive Touch Sensor IC 


Features:
*   Analog and Digital - Mixed Mode IC
*  Support Capacitive Touch Screen Applications
*  Support Capacitive Touch Key Applications
*  Support Capacitive Proximity Sensing Applications

Typical Applications: 

 
* Audio/Video
*  Home appliance
*  Gaming machine/console
*  Instruments panels
*  Remote controls
*  Lighting controls

Transducer
A transducer is a device that converts a signal in one form of energy to another form of energy. Energy types include (but are not limited to) electrical, mechanical, electromagnetic (including light), chemical, acoustic or thermal energy. While the term transducer commonly implies the use of a sensor/detector, any device which converts energy can be considered a transducer. Transducers are widely used in measuring instruments.
There are 2 types transducers: Current transducer and Voltage transducer.
Application
VSD and servo motor devices
Electric battery supply
UPS
SMPS
Bonding machine supply
LEM transducers
Voltage Transducer
10V to 6.4kV
Current Transducer
0.1A to 20kA
5 Year Warranty on LEM Transducers

 

Current Transducer

 
Technologies
Open Loop Hall Effect (O/L)
Closed Loop Hall Effect(C/L)
Eta technology
C-type Close Loop
PriME
IT-type Closed Loop
Considerations
Supply voltagesingle terminal +5V supply
AccuracyO/L series:Less than 2% error at 25'C
C/L series:Less than 1% error at 25'C
Frequency responsecontinuously change of electrical phase current
Installationbolt, PCB,bridge, horizontal and vertical
Temperature Range-40'C - +105'C
Output signalC/L :current output directly proportional to primary signal
O/L,Eta,C-type and PriME:amplified voltage signal output directly proportional to primary current

 

Voltage Transducer

 
Technologies
Closed Loop Hall Effect(C/L)
Isolation Amplifier(AV 100)
Considerations
ConnectionStandard secondary connection:

M2,M5 and UNC Unified Screw Threads
Rapid swap
Cable connection
Molex terminal

Special connection:

LEMO,Sub-D connection
AMP,Burndy,JST
Other industry standard connection

Accuracy

LED Lighting

A light-emitting diode (LED) is a two-lead semiconductor light source. It resembles a basic pn-junction diode, which emits light when activated. IK2804 is an instant On/Off LED driver for high power LED applications and exploits to enhance its output characteristics. At IK2804 output stage, four regulated current ports are designed to provide uniform and constant current sinks for driving LEDs within a large range of VF variations.

Function:

IK2804 provides users 4-channel constant current ports. Users may adjust the output current from 40mA up to 240mA controlling the light intensity of LEDs. In addition, user can precisely adjust LED brightness from 0% to 100% via output enable with Pulse Width Modulation.

Application: 


 
	1.)  High-flux LED Lighting
	2.)  Automotive interior Lighting
	3.)  Refrigerator Lighting
	4.)  Air-conditioner

 

Smoke detector

Photoelectric smoke detectors main processor, IK7001 remove the noise of output signal detect the signal level and transfer the alarm signal to power amp if the signal level found as fire. And main processor check the battery and transfer voice signal to power amp if replacement necessary.

Features 


1.)Low Voltage Operation (1.8V~3.6V)
2.)Built-in voice
3.)Low voltage alarm (voice) output
4.)Low power consumption
5.)Chamber sensitivity test feature
6.)Built-in digital noise filters
7.)Lithium Battery can be used for 10 years
8.)The Smoke Detector solution should be consisted together with IK7001A and IK7002

Amplifier

It is a electronic amplifier which, in contrast to the active resistance used in linear mode AB-class amplifiers, uses switching mode of transistor to regulate power delivery. The amplifier being the high power efficiency (low energy losses),it additionally results in lower weight by eliminating the bulky heat sinks. Additionally, if voltage conversion is necessary, the on-the-way high switching frequency allows the bulky audio transformers to be replaced by small inductors. Low pass LC-filtering smoothes the pulses out and restores the signal shape on the load.

DAB(Digital Audio Broadcasting)
It also known as Eureka 147, is a digital radio technology for broadcasting radio stations which used in several countries, particularly in Europe. As of 2006, approximately 1,000 stations worldwide broadcast in the DAB format

 

DAB Functions
DAB receiver for Band III
Auto and Manual scan for service
Station information
Program Type
Ensemble Name
Current Time and Date
DLS
Frequency
Signal Error Rate
Signal Strength

 

 

Other Functions
In-Circuit-Upgrade (ICU) via the ICU interface
Preset equalization
Ex. Bass (optional)
Bass / Treble control (optional) 
Electronic Volume Up/Down control 
Mute On / Off control
Power On / Off control 
Sleep Timer setting 
Character Type Dot Matrix LCD display
Optical output (optional)

 

Main Parts (ICs):
MCU: Master (TMP86FS49AUG)
KET DAB Module GW05TDBM-TB04
WM8761
AT27C64

 

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