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PDF STK621-041 Data sheet ( Hoja de datos )
| Número de pieza | STK621-041 | |
| Descripción | Air Conditioner Three-Phase Compressor Motor Driver IMST Inverter Power Hybrid IC | |
| Fabricantes | Sanyo | |
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Ordering number : EN*A0483
STK621-041,
STK621-041A-E
Thick-Film Hybrid IC
Air Conditioner Three-Phase
Compressor Motor Driver
IMST Inverter Power Hybrid IC
Overview
The STK621-041 and STK621-041A-E are STK621-000 series products that use a miniature SIP package. These three-
phase motor driver hybrid ICs integrate the power main circuit block and peripheral circuits needed for inverter control into
a single package. The upper-side control power supply can be provided by a bootstrap circuit, making it possible to
configure the control power supply with a single power supply (VD4 = 15V). This device also has a built-in high voltage-
level shifter circuit for upper-side device drive signal transmission, and six input signals can be input from the same voltage
potential (VSS) as the control circuit. This enables direct connection from a control circuit such as a microcontroller
without using a photo coupler or other insulating circuit.
A basic system configuration example is shown on page 2 (Figure: Inverter System Configuration Example).
Applications
• Air conditioner three-phase compressor motor driver.
Features
• Integrates the IGBT, FRD, pre-driver and protection circuits.
• Built-in thermal protection, overcurrent protection (bus line) and pre-driver supply under voltage protection.
• Allows CMOS-level input of control signals without an insulating circuit.
• Use of an upper-side power supply bootstrap circuit (externally set) enables single power supply drive.
• Built-in circuit for preventing short circuits when both upper and lower inputs are ON at the same time.
This prevents arm short circuits due to simultaneous upper and lower phase ON inputs.
(A dead time is needed to prevent short circuits due to switching delay.)
• Transfer full mold structure SIP. (Single Inline Package.)
• Integrates the three-phase power main circuit, pre-driver circuit, protection circuit and level shifter circuit needed for
the inverter control circuit.
• IGBT and FRD used for the power main circuit devices.
• Built-in device protection circuits include an overcurrent protection circuit that detects and protects against minus bus
line currents with an internal shunt resistor, an thermal protection circuit, and a control supply under voltage protection
circuit. These circuits cut off the gates inside the IC and output an error signal (FAULT) when an abnormality occurs.
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before usingany SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
N2206HKIM No. A0483-1/13
1 page  
STK621-041,621-041A-E
Test Circuit (Measured phase U+: upper U phase, U-: lower U phase)
1: ICE
Measured phase U+ V+ W+ U- V- W-
VD1=15V
M
10 10 10
2
5
8
N 2 5 8 12 12 12
VD2=15V
VD3=15V
VD4=15V
1
2
4
5
7
8
21
22
ICE
MA
VCE
N
2: VCE (SAT) (Pulse measurement)
Measured phase U+ V+ W+ U- V- W-
M
10 10 10
2
5
8
N 2 5 8 12 12 12
m 13 14 15 16 17 18
VD1=15V
VD2=15V
VD3=15V
VD4=15V
1N
2
4
5
V IO
7
8
VCE
(SAT)
21
mM
22
3: VF (Pulse measurement)
Measured phase U+ V+ W+ U- V- W-
M
10 10 10
2
5
8
N 2 5 8 12 12 12
M
V
VF
N
IO
4: ID
Measured phase VD1 VD2 VD3 VD4
m 1 4 7 21
n 2 5 8 22
ID
V
m
VD*
n
No. A0483-5/13
5 Page 
STK621-041,621-041A-E
Precautions
1. The control power supply can be driven by a single power supply by connecting a bootstrap diode: DB (use a high-
speed diode with a short trr and a withstand voltage of 600V or more) and a capacitor: CB (approximately 1 to 47µF).
In this case, CB is charged by setting the lower-side device to ON (Low output). Note that a large charging current
flows during startup and in other cases when the CB voltage is low, and may cause adverse effects such as noise. Be
sure to connect a limiting resistor: RB (approximately several Ω to several tens of Ω).
(When not using the bootstrap method, each upper-side control power supply should be externally supplied by an
independent power supply.)
In addition, the upper-side control voltage may be insufficient depending on the control signal input status, so this
should be checked.
2. Fluctuating spike voltage may be generated during switching operation due to the effects of the floating inductance of
the + and - pin power supply external wiring or other factors. Therefore, use a short wiring length (between CI and
each pin) to reduce the wiring inductance, and take measures to suppress surge voltage such as connecting a snubber
circuit (capacitor: CS, approximately 0.1 to 10µF) for absorbing voltage surges as close as possible between the +
and - pins.
3. The ISO pin (pin 20) is the current monitor pin. Note that overcurrent protection is disabled when the ISO pin and the
VSS pin are shorted.
4. The FAULT pin is an open drain output (FAULT operation when Low). When pulling up the FAULT pin, use 5.6kΩ
or more.
5. A 5V (5.0 to 5.4V) Zener diode is connected inside the signal input pins. When inputting voltage in excess of 5V,
connect a resistor between the power supply side and the signal input pin so that the input current to the signal input
pin is 0.5mA or less. This resistor is also effective for absorbing noise.
6. The overcurrent protection function is valid only when circuit control can be performed normally. Be sure to provide
a fuse in the VCC line or otherwise ensure safety in the set design.
7. The IC may become damaged or rupture if the motor connection pins (pins 2, 5 and 8) are open during motor rotation.
Take special care for the connections (soldered condition) of these pins.
No. A0483-11/13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet STK621-041.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| STK621-041 | IMST Inverter Power Hybrid IC | Sanyo |
| STK621-041 | Air Conditioner Three-Phase Compressor Motor Driver IMST Inverter Power Hybrid IC | Sanyo |
| STK621-041A-E | Air Conditioner Three-Phase Compressor Motor Driver IMST Inverter Power Hybrid IC | Sanyo |
| STK621-043A-E | Air Conditioner Three-Phase Compressor Motor Driver IMST Inverter Power Hybrid IC | Sanyo |
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