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SS30 Datasheet(PDF) 5 Page - Sanyo Semicon Device

Part No. SS30
Description  For Notebook PC Fan Motor Driver
Download  7 Pages
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Maker  SANYO [Sanyo Semicon Device]
Homepage  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

SS30 Datasheet(HTML) 5 Page - Sanyo Semicon Device

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SS30
No.A1878-5/7
Continued from preceding page.
Pin No.
Pin name
Function
Equivalent circuit
6
OSC
Motor startup frequency setting. A capacitor must
be connected between this pin and ground. The
startup frequency is adjusted by controlling the
charge/discharge current (
±2.5μA) and the
capacitance of the capacitor.
VCC
6
VCC
7
SGND
Ground for IC. It is short-circuited and uses it with
pin SUBGND (pin 19).
8
F/R
Motor rotation direction switching. A high-level input
causes current to flow into the motor in the order of
U, V, and W and a low-level input in the order of U,
W, and V. Changing the order of current application
turns the motor in the opposite direction.
VCC
8
Reverse signal
Forward signal
Forward/reverse
switching signal
9
1/2FG
FG pulse output. This pin outputs 1/2 Hall sensor
system equivalent pulse signal.
10
FG
FG pulse output. This pin outputs a Hall sensor
system equivalent pulse signal.
11
RD
Motor lock detection output pin.
When the motor is locked, "H" is output.
10
9
11
12
PWM
PWM signal input. A high-level input turns on the
output transistors. A low-level input turns off the
output transistors and motor stops. The motor
speed is set by controlling the duty cycle of the input
PWM signal. The motor runs at full speed when this
pin is held open.
VCC
12
13
VG
Charge pump step-up output. A capacitor must be
connected between this pin and ground.
14
CP
Charge pump step-up pulse output pin. A capacitor
must be connected between this pin and the CPC
pin (pin 15).
15
CPC
Charge pump step-up pin. A capacitor must be
connected between this pin and the CP pin (pin 14).
VCC
14
15
13
19
SUBGND
SUBGND pin for IC. It is short-circuited and uses it
with pin SGND (pin 7).


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