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DC Brushless Motor Hall Driver IC
PT3907 High output current Fan IC
Applications
5V/12V double coils DC brushless motor Revolution counting Speed Measurement DC 2.7V~18V Operation Voltage
Features
Soft switching output driver Built-in hall sensor Motor locked protection and automatic restart Built-in power reverse protection Built-in hysteresis comparator Built-in protection zener diode High sensitivity and low thermal drift magnetic sensing High driving capability
Specifications
Package: TO-92-4pin
X=2.10mm Sensor location
Y=1.25mm
3907NA
xxxx
1234
B
Z=0.43mm Marking side
D
C
E
A
Part Number: 3907NA Date Code: xx(Year) xx
H
G
F
1. VDD/DC power supply 2. O1/First optput pin 3. O2/Second output pin 4. GND/DC ground
DIMENSIONS IN MILLIMETERS(mm)
SYMBOLS
MIN
NOM
MAX
A
5.