DC Brushless Motor Driver IC
PT301EA, PT301ED
PWM Speed Controller
Applications
Single coil DC brushless motor.
Traditional double coil DC Brushless motor
DC 1.5V~6.5V.
FG(Divide 1) for Four
Poles fan
FG(Divide 2) for Eight
Poles fan
Package: SOT-28
D
O2
GND
1
8
FG
PWM
VDD
HIN
EAYWW
2
3
4
7
6
5
SOT-28
GND
O1
HE
E
Features
PWM speed control
Motor lock protection
Built-in protection circuit for transient output
Frequency Generation output
Low power dissipation and high driving efficiency
Ultra-low start voltage
E:PT-301E
A:Divide 1
D:Divide 2
A
A2
A1
b
e
Y: Year
WW: Week
Unit: mm
SYMBOLS
DIMENSIONS IN MILLIMETERS
MIN
0.70
0.00
1.00
0.25
0.10
2.80
1.60
2.60
-
0.10
NOM
0.80
-
1.10
0.30
0.15
2.90
1.80
2.80
0.65
-
MAX
0.90
0.15
1.30
0.40
0.20
3.00
2.00
3.00
-
0.60
Pin Description
Name
V
CC
Gnd
O1
O2
Hin
PWM
FG
Pin
6
2/3
4
1
5
7
8
Description
DC power supply
DC ground
First output pin
Second output pin
Hall IC signal input
PWM control input
Tacho meter output(Frequency
Generation)
Pin Description
P: Power, G: Ground, O: Output, I: Input
C
L
Type
P
G
O
O
I
I
O
Input Devices
Hall IC
A2
A1
A
b
C
D
E
HE
Specifications
e
L
Absolute Maximum Ratings (Ta = 25 C)
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Output current
Symbol
V
CC
max
Pd
Ta
Ts
I
0ut
max
Conditions
Ratings
6.5
350
Unit
V
mW
O
*1
-30 ~ +100
-55 ~ +150
C
O
C
*2
400
mA
*
1:Reduced by 3.4mW for each increase in Ta of 1 over 45
When mounted on a 50mm x 50mm x 1.6mm glass epoxy board.
*
2:Should not exceed Pd.
Any and all PROLIFIC products described or contained herein do not have specifications that can handle applications that
require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications
whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your
PROLIFIC representative nearest you before using any PROLIFIC products described or contained herein in such
applications.
PROLIFIC assumes no responsibility for equipment failures that result from using products at values that exceed, even
momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products
specifications of any and all PROLIFIC products described or contained herein.
PROLIFIC TECHNOLOGY INC.
7F, No.48, Sec.3, Nan Kang Rd., Nan Kang, Taipei, 115, Taiwan
Ver. 1.2E
-1-
Date:Sept. 2002
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