IC-SP-06027 R1
Table 4-3. List of pins and their functions (pin different according to model)
No.
Pin
Item
VSP Speed
instruction
input pin
Applicable
models
ECN30102
ECN30105
ECN30107
ECN30204
ECN30206
ECN30207
Functions and Precautions
Input a speed instruction signal to generate
a PWM signal.
Entering an all-off operating voltage of the
VSP terminal (typ. 1.23V) turns off all
IGBTs.
If a noise is detected, install a resistor
and/or capacitor.
Related items
5-3. Power supply sequence
5-5. Operation of the output
IGBT of the VSP input type
8-1. Electrical static destruction of
VSP pin caused by external
surge
Data Sheet
4.2 Input terminals
typ. 300Ω
ECN30102
ECN30107
ECN30206
ECN30207
typ. 150Ω
ECN30105
ECN30204
Input resistor
(note 1)
VSP
typ. 200kΩ
VB
Comparator
note 1)
Input resistor value
-
+
From CR pin
Equivalent Circuit
2
HU
HV
HW
Hall signal
input pin
ECN30102
ECN30105
ECN30107
ECN30204
ECN30206
ECN30207
HU
HV
HW
VB
typ.
200kΩ
Input a hall IC signal. Based on that signal, Data Sheet
the system controls the phase switchover
3.1. Truth table
of the output IGBT.
4.2. Input Pins
If a noise is detected, install a capacitor.
The maximum input voltage is VB+0.5V.
The output voltage of hall IC must not
exceed the maximum input voltage.
note 1)
Input resistor value
typ. 300Ω
ECN30102
ECN30107
ECN30206
ECN30207
typ. 150Ω
ECN30105
ECN30204
Input
resistor
(note 1)
Equivalent Circuit
3
FG
Motor
rotation
speed
monitoring
pin
ECN30102
ECN30105
ECN30107
ECN30204
ECN30206
ECN30207
Output pulses according to the input
8-2. Electrical static destruction of
signals of the HU, HV and HW.
FG pin caused by external
Motor rotation speed can be monitored by
surge
measuring the frequency of output pulse.
Output pulses according to the input Data Sheet
3.2 Time chart
signals of the HU, HV and HW.
Motor rotation speed can be monitored by
measuring the frequency of output pulse.
Connect an external circuit such as a
pull-up resistor of around 5kΩ to 10kΩ to
VCC or CB pin.
CMOS output type
VB
Applicable models
ECN30102
ECN30105
ECN30107
Open drain output type
VCC
Applicable models
ECN30204
ECN30206
ECN30207
FG
FG
Equivalent Circuit
Equivalent Circuit
-
11
-
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