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PDF SC2128C Data sheet ( Hoja de datos )
| Número de pieza | SC2128C | |
| Descripción | REMOTE FAN CONTROL IC | |
| Fabricantes | SL | |
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Silan
Semiconductors
SC2128C
REMOTE FAN CONTROL IC
www.DataSheet4U.com
DESCRIPTION
The SC2128C is a high performance electronic fan controller LSI,
Speed control, off-timer, rhythm wind, sleep mode, head swing
and/or light control are all built into a single chip. Indicator LED
output, buzzer output, key control input, as well as remote control
decoding circuitry are all provided to build a full function electronic
fan with remote control capability having the highest performance
with the least external components. Pin assignment and application
circuit are optimized for easy PCB layout and cost saving for
electronic fan application.
FEATURES
* High performance CMOS Technology
* Low power consumption
* Optional independent light control
* 90 seconds cycle/6 seconds per step(off step 3 seconds) rhythm
wind pattern
* Built-in remote control decoding circuitry with mask option
custom code
* Available in 16,18,20,22,24 pin package for none, one set or two
sets of swing head and/or light control
* Two sets of swing head and/or light control
* Three operation modes: ordinary, rhythm and rhythm sleep.
DIP-24-300-2.54
APPLICATIONS
* Optimized for fan application
* Suitable for heater fan, cooling fan,
and other home appliances with remote
control, timer and/or output level control
PIN CONFIGURATION
NC 1
24 SO2
REMOTE 2
23 LO
VSS 3
22 MI
OSCI 4
21 ST
OSCO 5
20 LED1
VDD 6
19 LED2
SC2128C
OFF/BUZZ 7
18 LED3
SPEED 8
17 COM
MODE 9
16 TIMER
SW1 10
15 SO1
LIGHT 11
14 LIT
NC 12
13 LORD
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.1
2001.09.26
1
1 page  
Silan
Semiconductors
SC2128C
www.DataSheet4U.com
2. SPEED KEY
SPEED key is used to (1) turn on the fan (2) change speed of the fan. SLEEP key my turn on the fan from remote
control handset. All the other key scan NOT turn on the fan. All the other keys, except LIGHT key, can NOT
operate until fan is turned on. The diagram shows the state transition of SC2128C for successive pressing of
SPEED key.
OFF
LO=Z
MI=Z
ST=Z
Middle wind start-up optioned
SPEED KEY
MI start
LO=Z
MI=L
ST=Z
2-3 sec, delay
SPEED KEY
MID
LO=Z
MI=L
ST=Z
LOW
LO=L
MI=Z
ST=Z
Z=high impedence
L=low voltage
STR
LO=Z
MI=Z
ST=L
3. TIMER KEY
TIMER key is used to set time schedule after which SC2128C will automatically restore off state(off-timer).
When the fan is on, pressing TIMER key sets up the off-timer. Each pressing of TIMER key increases the
timer by one step. Each time increment step is determined by various timer options. Either 0.5 or 1 hour
per step may be selected, and either 3 levels or 4 levels timer may be selected. Please see TIMER section
for details.
4. MODE KEY
MODE key is used to bring SC2128C around ORD
(ordinary wind) mode, RTM (rhythm wind ) mode and
RSL(rhythm sleep wind ) mode. In ORD mode, the wind
speed is set by SPEED key and does not change as
time passes. In RTM mode the wind speed cycles
through three rhythm wind, patterns as set by the
SPEED key. In RSL mode, however, the fan
automatically steps down one level (strong to middle,
middle to low) every 30 minutes and keeps in low wind
until off-timer times out. Four modes of operation are
described in details later.
SPEED KEY
OFF
ORD
RTM
RSL
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.1
2001.09.26
5
5 Page 
Silan
Semiconductors
SC2128C
16. VARIOUS OPTIONS
SC2128C accommodates many option possibilities. The options are summarized below:
www.DataSheet4U.com
* Package Option:
Either 16, 18, 20, 22, or 24 pin package.
* Bonding option:
ACC:
Accumulated or non-accumulated timer option.
T0.5:
Timer scale, 0.5/1/2/4 hour timer or 1/2/4/8 timer option.
3LT:
Timer level option, either 4 levels or 3 levels.
NM: Disable memory mode.
* Metal Option:
b3 ~ b6: Replaces default customer codes
NMS:
Disable middle wind start-up function
2SW:
Dependent/Independent swing head control option.
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.1
2001.09.26
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet SC2128C.PDF ] | |
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