STK581U3C2D-E
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4
Module Pin-Out Description
Pin Name Description
1
VB1
High Side Floating Supply Voltage 1
2
U, VS1
Output 1 - High Side Floating Supply Offset Voltage
3
Without Pin
4
VB2
High Side Floating Supply voltage 2
5
V,VS2
Output 2 - High Side Floating Supply Offset Voltage
6
Without Pin
7
VB3
High Side Floating Supply voltage 1
8
W,VS3
Output 1 - High Side Floating Supply Offset Voltage
9
Without Pin
10
P
Positive Bus Input Voltage
11
Without Pin
12
N
Positive Bus Input Voltage
13
Without Pin
14
HIN1
Logic Input High Side Gate Driver - Phase U
15
HIN2
Logic Input High Side Gate Driver - Phase V
16
HIN3
Logic Input High Side Gate Driver - Phase W
17
LIN1
Logic Input Low Side Gate Driver - Phase U
18
LIN2
Logic Input Low Side Gate Driver - Phase V
19
LIN3
Logic Input Low Side Gate Driver - Phase W
20
ISO
Current monitor output
21
VDD
+15V Main Supply
22
VSS
Negative Main Supply
STK581U3C2D-E
www.onsemi.com
5
Equivalent Block Diagram
VB3(7)
W,VS3(8)
V, VS2(5)
VB2(4)
VB1(1)
U, VS1(2)
P(13)
HIN1(13)
HIN2(14)
HIN3(15)
LIN1(16)
LIN2(17)
LIN3(18)
FAULT(19)
ISO(20)
VDD(21)
VSS(22)
Shunt Resistor
Level
Shifter
Logic
Logic Logic
Shut down
V
DD
-Under Voltage
Thermistor
Shifter
Shifter
Level
Level
U.V. U.V.
U.V.
BD
BD BD
N(12)
Latch time About 30ms
(Automatic reset)
(Protection)
STK581U3C2D-E
www.onsemi.com
6
Test Circuit
(The tested phase : U+ shows the upper side of the U phase and U shows the lower side of the U phase.)
ICE / IR(BD)
U+ V+ W+
U V W
M 10 10 10 2 5 8
N 2 5 8 12 12 12
U(BD) V(BD) W(BD)
M 1 4 7
N 22 22 22
V
CE
(SAT) (Test by pulse)
U+ V+ W+
U V W
M
10 10 10 2 6 8
N 2 5 8 12 12 12
m 13 14 15 16 17 18
V
F (Test by pulse)
U+ V+ W+
U V W
M 10 10 10 2 5 8
N 2 5 8 12 12 12
ID
VD1 VD2 VD3 VD4
M 1 4 7 21
N 2 5 8 22
Fig. 4
Fig. 3
Fig. 2
Fig. 1

STK581U3C2D-E

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Motor / Motion / Ignition Controllers & Drivers 3PHASE INVERTER HIC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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