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PDF MSK4351 Data sheet ( Hoja de datos )
| Número de pieza | MSK4351 | |
| Descripción | IGBT PLUS DIODE FULLY ISOLATED SMART POWER 3-PHASE MOTOR DRIVE POWER HYBRID | |
| Fabricantes | MSK | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MSK4351 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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MIL-PRF-38534 AND 38535 CERTIFIED FACILITY
4351M.S.KENNEDY CORP.
50 AMP, 500 VOLT IGBT PLUS DIODE
FULLY ISOLATED
SMART POWER 3-PHASE MOTOR
DRIVE POWER HYBRID
FEATURES:
500V, 50 Amp Capability at 110°C
Fully Isolated Bridge
Ultra Low Thermal Resistance
Integral Free Wheeling Fast Recovery Epitaxial Diode (FRED)
Self-Contained, Smart Lowside/Highside Drive Circuitry and Isolated Supply
Adjustable Deadtime
Capable of Switching Frequencies to 20KHz
Isolated Case Allows Direct Heat Sinking; On Board Temp Sensor
Bolt-down Design Allows Superior Heat Dissipation
DESCRIPTION:
The MSK4351 is a 50 Amp, 3 Phase Isolated Bridge Smart Power Motor Drive Hybrid with a 500 volt rating. The output
switches are Insulated Gate Bipolar Transistors (IGBT's) tailored for high switching speeds. The free-wheeling diodes are Fast
Recovery Epitaxial Diodes (FRED's) to provide matched current capabilities with the IGBT's and are specified with excellent reverse
recovery times at high current ratings. The bridge is optically isolated from the control circuitry. This new smart power motor drive
hybrid is compatible with 5V CMOS logic levels. The internal circuitry prevents simultaneous turn-on of the in-line half bridge
transistors with adjustable deadtime to prevent shoot-through. Undervoltage lockout shuts down the bridge when the supply voltage
gets to a point of incomplete turn-on of the output switches. The isolated internal high-side power supply derived from the +15 volt
supply completely eliminates the need for 3 floating independent power supplies for the high-side drive.
EQUIVALENT SCHEMATIC
TYPICAL APPLICATIONS
3 PHASE SIX STEP DC BRUSHLESS MOTOR DRIVE
OR 3 PHASE SINUSOIDAL INDUCTION MOTOR DRIVE
PIN-OUT INFORMATION
1 +15V
2 GND
3 AHI
4 ALO
5 BHI
6 BLO
7 +15V
8 GND
9 CHI
10 CLO
11 +15V
12 GND
13 RESET
14 R/C
15 +15V
16 N/C
17 OSCOUT
18 GND
19 N/C
20 N/C
21 N/C
22 N/C
23 N/C
24 TEMP SENSE
25 RKELVIN+ 37 BV-
26 RKELVIN- 38 BV-
27 RSENSE- 39 BØ
28 RSENSE- 40 BØ
29 RSENSE+ 41 BV+
30 RSENSE+ 42 BV+
31 CV-
43 AV-
32 CV-
44 AV-
33 CØ
45 AØ
34 CØ
46 AØ
35 CV+
47 AV+
36 CV+
48 AV+
1 8548-75 Rev. R 6/14
1 page  
TYPICAL SYSTEM OPERATION
The MSK4351 is designed to be used with a +270 volt high voltage bus, +15 volt low power bus, and +5 volt logic signals.
Proper derating should be applied when designing the MSK4351 into a system. High frequency layout techniques with ground
planes on a printed circuit board is the only method that should be used for circuit construction. This will prevent pulse jitter caused
by excessive noise pickup on the current sense signal or the error amp signal.
Ground planes for the low power circuitry and high power circuitry should be kept separate. The two sections of the hybrid are
completely isolated, and can float relative to each other without referencing one to the other. An RC filter will filter out the current
spikes and keep the detected noise for that circuit down to a minimum.
The logic signals coming from the typical motor controller IC are set up for driving N channel low side and P channel high side
switches directly, and are usually 15 volt levels. Provision should be made for getting 5 volt logic signals to the MSK4351 of the
correct assertion levels. Typically, the low side signals out of the controller are high active and the high side are low active. Inverters
are shown in the system schematic for the high side controller output.
5 8548-75 Rev. R 6/14
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet MSK4351.PDF ] | |
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