DC Brushless Motor Driver IC
DC Brushless Motor Driver IC
PT301EA, PT301ED
PWM Speed Controller
Applications
Single coil DC brushless motor. Traditi...
Description
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
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
Input Devices
Hall IC
Specifications
Absolute Maximum Ratings (Ta = 25 C)
Parameter
Symbol
Maximum supply voltage
VCC max
Allowable power dissipation
Pd
Operating temperature
Ta
Storage temperature
Ts
Output current
I0ut max
Package: SOT-28
D
SOT-28
EAYWW
HE E
O2 GND GND
O1
1 2 3 4
8 FG 7 PWM 6 VDD 5 HIN
E:PT-301E A:Divide 1 D:Divide 2
Y: Year WW: Week
C A2
A A1
be
SYMBOLS
A2 A1 A b C D E HE e L
Unit: mm
DIMENSIONS IN MILLIMETERS
MIN
NOM
MAX
0.70 0.80 0.90
0.00 - 0.15
1.00 1.10 1.30
0.25 0.30 0.40
0.10 0.15 0.20
2.80 2.90 3.00
1.60 1.80 2.00
2.60 2.80 3.00
- 0.65 -
0.10 - 0.60
L
Pin Description
Name Pin
Description
Type
VCC 6 DC power supply Gnd 2/3 DC ground
P G
O1 4 First output pin
O
O2 1 Second output pin
O
Hin 5 Hall IC signal input
I
PWM 7 PWM control input
I
FG 8 Tacho meter output(Frequency O Generation)
Pin Description P: Power, G: Ground, O: Output, I: Input
Conditions
Ratings Unit
6.5 350*1
V mW
-30 ~ +100 OC
-55 ~ +150 OC
400*2 mA
*1:Reduced by 3.4mW for each increase in Ta ...
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