TTP117 PDF даташит
Спецификация TTP117 изготовлена «TONTEK» и имеет функцию, называемую «TOUCH DIMMER». |
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Детали детали
Номер произв | TTP117 |
Описание | TOUCH DIMMER |
Производители | TONTEK |
логотип |
11 Pages
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Patent No.:
M 371298 (Taiwan)
ZL 2010 2 0300629.5 (CHINA)
TTP117
TOUCH DIMMER
FOR LED LIGHTING
GENERAL DESCRIPTION
The TTP117 is a touch detector IC for the LED lightings with NMOS application. The dimmer
function controls by PWM output. It has high frequency for PWM output.
FEATURES
Operating voltage typical 5.0V
Operating current @VDD=5.0V, 25 no load <500uA
Higher frequency 2.2KHz PWM output.
Support two option pin to select 4 type dimmer modes.
(1). 3 steps dimmer initial OFF. OPT2=0, OPT1=1
(2). 4 steps dimmer initial OFF. OPT2=1, OPT1=0
(3). 3 steps dimmer initial ON (6%). OPT2=0, OPT1=0
(4). Toggle ON / OFF initial OFF. OPT2=1, OPT1=1
TTP117 PWM output active high control NMOS.
Two input dimmer modes: touch plate and switch
The application circuit is simple and easy.
Can use wire to connect the IC to touch plate.
APPLICATION
LED LAMP
For PWM control input
12’/09/24
Page 1 of 11
Version: 1.0
Reference Only
No Preview Available ! |
Patent No.:
M 371298 (Taiwan)
ZL 2010 2 0300629.5 (CHINA)
BLOCK DIAGRAM
System
CK oscillator
TI
Sensor
CI
TTP117
Timing counter
PWM
circuit
Output
AT
OPT1
OPT2
TSSEL
MODE
Option
control
Touch decting
control
PAD DESCRIPTION
Pad No. Pad Name I/O Type
Pad Description
1
2
3
4
5
6
7
8
9
10
Pin Type
I
O
I-PH
I-PL
P
CK
VDD
MODE
TI
CI
OPT2
TSSEL
VSS
OPT1
AT
I
P
I-PL
I
I
I-PL
I-PH
P
I-PH
O
System clock input pin
Positive power supply
Mode item select
Touch input (switch mode I-PH)
Sensor control input
Mode select
Mode item select
Negative power supply, ground
Mode select
Output control NMOS(active high)
CMOS input only
CMOS output
CMOS input and pull-high resister
CMOS input and pull-low resister
Power / Ground
12’/09/24
Page 2 of 11
Version: 1.0
Reference Only
No Preview Available ! |
Patent No.:
M 371298 (Taiwan)
ZL 2010 2 0300629.5 (CHINA)
ELECTRICAL CHARACTERISTICS
‧Absolute Maximum Ratings
Parameter
Symbol
Operating Temperature
TOP
Storage Temperature
TSTG
Power Supply Voltage
VDD
Input Voltage
VIN
Note VSS symbolizes for system ground
Conditions
Ta=25°C
Ta=25°C
TTP117
Value
0 ~ +70
-50 ~ +125
VSS-0.3 ~ VSS+5.5
VSS-0.3 ~ VDD+0.3
Unit
V
V
‧DC/AC Characteristics (Test condition at room temperature=25 )
Parameter
Operating Voltage
System oscillator
Operating Current
Symbol
Test Condition
VDD
Fosc VDD=5.0V, R_CK=120K
IOP VDD=5.0V
No load
touch mode
R_CK=120K
Min. Typ. Max. Unit
3.6 5.0 6.8 V
- 1.2M -
- - Hz
-
250 500 uA
Input Ports
Input Ports
Output Port Sink Current
Output Port Source Current
VDD=5.0V
No load
Switch mode
220 400 uA
R_CK=150K
VIL Input Low Voltage
0.0 - 0.2 VDD
VIH Input High Voltage
0.8 - 1.0 VDD
IOL VDD=5.0V, VOL=0.5V
12 25 - mA
IOH VDD=5.0V, VOH=VDD-0.5V 4 8 - mA
Input Pin Pull-low Resistor RPL VDD=5.0V,
Pin: OPT2, MODE
Input Pin Pull-high Resistor RPH VDD=5.0V,
Pin : TI
VDD=5.0V,
Pin : OPT1,TSSEL
130K
300K
140K
Ohm
ohm
12’/09/24
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Version: 1.0
Reference Only
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