IC-SP-06027 R1
5-10. External components
(1) Standard external components
Table 5-8. External components
Applicable models
Common
C0
Rs
CTR
RTR
C1, C2
Hall IC
1800 pF +/-5%
22 kΩ +/-5%
1.0
μF
+/-20%
Parts
Typical value
0.22
μF
+/-20%
Usage
Filters the internal
power supply (VB)
Sets Over-Current limit
Sets PWM frequency
Sets PWM frequency
Pull-up
For charge pump
Stress voltage is Vcc
For reference
Note3
Note4
Remarks
Stress voltage is VB (=8.2V)
Please refer to the 4-1 (2)
Note1
Stress voltage is VB (=8.2V) Note2
Stress voltage is VB (=8.2V) Note2
RU, RV, RW 5.6 kΩ +/-5%
Asahi Kasei EMD For detecting the rotor
EW-632 or
position
equivalent
Hitachi DFG1C6 For charge pump
(Glass mold type)
DFM1F6 (Resin
mold type) or
equivalent
Hitachi DFG1C4 For charge pump
(Glass mold type)
DFM1F4 (Resin
mold type) or
equivalent
ECN30204, ECN30206, D1, D2
ECN30207, ECN30601,
ECN30603, ECN30604
600V, 1A, trr
≤
100ns
Note3
ECN30102, ECN30105 D1, D2
ECN30107, ECN30611
400V, 1A,
t
rr
≤
100ns
Note3
RU
VCC(15V)
C0
CB
VCC
VB
RV
RW
D2
C2
+ -
HU
HV
HW
C+
C-
D1
+
C1
-
CL
VS1
VS2
VS
VB supply
VCC
Clock
VB
Charge Pump
FG
FG
DM
Motor Rotating
Direction
Filter Circuit
MicroController
Top Arm
Driver
3-Phase
Distributor
All off
+
CMP
Bottom
arm off
Hall ICs
MU
MV
MW
VSP
PWM Comparator
+
CMP
Bottom Arm
Driver
Over Current Sense
Motor
SAW wave
Generator
VCC
Clock
LVSD
GL
+
Vref
GH1
GH2
CR
VTR
RTR
CTR
RS
Note : Inside of bold line
shows ECN30206
RS
Fig.5-18. Block diagram of ECN30206
Table 5-8 and Fig. 5-18 are only for reference, select external components based on your system.
Note 1: Please shorten the wiring between the resistor Rs and the Rs pin, and the wiring between the
resistor Rs and the GH1/GH2 pins as much as possible.
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