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Pericom Semiconductor - Smart Iron Controller

Numéro de référence PT8A3519B
Description Smart Iron Controller
Fabricant Pericom Semiconductor 
Logo Pericom Semiconductor 





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PT8A3519B fiche technique
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PT8A3514/15/16/17/18/19(A/B)
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Smart Iron Controller
Features
Build in RC oscillator for sensor signal detection
On chip shunt regulated power supply
Using AC 60Hz/50Hz as timer clock can select by
Part No.
Accurate timer with error dropping in ±1%
Sensitive movement detection
Powerful immunity of sensor Vibration
30s time out for IRON in static horizontal position
8min/10min/15min time out for IRON in static
vertical position
LED to indicate operation status
Usable in both 120V and 240V voltage supply
system
Quick function test mode
Support buzzer
Few external components
System standby mode power dissipation less than
1W (Base on recommended application circuits)
DIP-8 and SOIC-8 package
Patent No: ZL 2005 2 0048330.4
Applications
Description
The PT8A3514/15/16/17/18/19(A/B) are high
performance low power and low cost CMOS chips
designed for intelligent electric IRON controller. Their
intelligence mainly results from their sensitive detection
to the movement and static position of electric iron by
using a special sensor. With the sensor, these chips can
detect the vertical/horizontal position and movement
status of IRON.
These chips are equipped with on-chip shunt
regulator, sensor signal processor, build-in oscillator,
timer, logic control, power on reset and output driving
block etc.
Pin Assignment
DISC/BUZ 1
RELAY 2
LED 3
GND 4
8 VCC
7 ACCLK
6 SW
5 TEST
Electric Iron Controller
Fig1 PT8A351x pin assigment
Pad Description
Pin No. Pin Name I/O
Description
Discharge the external electrolytic cap to stabilize and limit its voltage. Output 4KHz to
1 DISC/BUZ O
driver buzzer when timer is out. Active high.
2
RELAY
O Relay drive output, active high.
With open drain output, it can shut off external LED in parallel with this open-drain
3 LED O
transistor, active low.
4
GND
- Ground.
5
TEST
I Low for test mode*.
6 SW I Sensor signal input, input high will be considered horizontal.
7
ACCLK
I AC 60/50Hz signal for clock with Schmitt architecture, internal drop down.
8
VCC
- Power supply.
*Note: Teat mode comparison table:
Real timer
Test timer
30s 8m 10m
3s 9.6s 9.6s
15m
12s
12-07-0006
PT0259-3 07/06/12
1

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