點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
ST1114E/ST1114K/ST1114P
Pin Assignment
O1
VDD
O2
GND
FGR
HIN
Pin NO.
Pin Name
VDD
Description
1
2
3
Power supply pin
Output sinking pin
O2
HIN
Input pin from Hall Latch IC
Output pin of fan tachometer
(open-drained with an pull-up resistor about 100KΩ)
FG : ST1114E
(The frequency is same with the HIN frequency. )
FG/2 : ST1114K
4
FGR
(The frequency is the half HIN frequency.)
RD : ST1114P
(Rotation detection output)
Ground pin
5
6
GND
O1
Output sinking pin
Features and Benefits
z
z
z
z
Optimized for double coil Brushless DC Motor applications
Wide operation range (1.8V ~ 16V )
Lock detection and automatic self-restart
Tachometer output or Rotation Detector Output
FG output for ST1114E, FG/2 output for ST1114K, RD output for ST1114P
Support for 3V/5V/12V supply voltage
z
z
z
High output sinking capability
Thin, small, highly reliable package (SOT-26)
Absolute Maximum Ratings ( Unless otherwise noted, TA= 25℃ )
Parameter
Symbol
VDD
VIN
Rating
1.8 ~ 16
-0.4 ~ VDD+0.4
800*
Unit
V
Supply Voltage
Input Voltage
V
Maximum Output Current
Power Dissipation
IOUT
PD
mA
W
0.35
Operating Temperature Range
Storage Temperature Range
TA
-40 ~ 125
-65 ~ 150
°C
°C
TS
* Power dissipation and operating temperature must be concerned for lager current application.
SP-ST1114EKP-A.011
Version：A.011
Page：2
SITI [ SILICON TOUCH TECHNOLOGY INC. ]
