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PDF IR21381Q Data sheet ( Hoja de datos )
| Número de pieza | IR21381Q | |
| Descripción | 3-PHASE AC MOTOR CONTROLLER IC | |
| Fabricantes | International Rectifier | |
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Data Sheet PD60232 revC
IR22381QPBF/IR21381Q(PbF)
3-PHASE AC MOTOR CONTROLLER IC
Features
• Floating channel up to +600V or +1200V
• “soft” over-current shutdown turns off desaturated output
• Integrated desaturation circuit
• Active biasing on sensing desaturation input
• Two stage turn on output for di/dt control
• Integrated brake IGBT driver with protection
• Voltage feedback sensing function
• Separate pull-up/pull-down output drive pins
• Matched delay outputs
• Under voltage lockout with hysteresis band
• Programmable deadtime
• Hard shutdown function
Description
The IR22381Q and IR21381Q are high voltage, 3-phase IGBT
driver best suited for AC motor drive applications. Integrated
desaturation logic provides all mode of overcurrent protection,
including ground fault protection. The sensing desaturation input is
provided by active bias stage to reject noise. Soft shutdown is
predominantly initiated in the event of overcurrent followed by turn-
off of all six outputs. A shutdown input is provided for a customized
shutdown function. The DT pin allows external resistor to program
the deadtime. Output drivers have separate turn on/off pins with
two stage turn-on output to achieve the desired di/dt switching level
of IGBT. Voltage feedback provides accurate volt x second
measurement.
Typical Connection
Product Summary
VOFFSET (max)
IO +/- (min.)
VOUT
Brake (IO +/- min.)
Deadtime Asymmetry
Skew (max.)
Deadtime (typ. with
RDT=39KΩ)
DESAT Blanking time (typ.)
DESAT filter time (typ.)
Active bias on Desat input
pin
DSH, DSL input voltage
threshold (typ.)
Soft shutdown duration
time (typ.)
Voltage feedback matching
delay time (max.)
Package
600V or 1200V
220mA / 460mA
12.5V-20V
40mA/80mA
125nsec
1µsec
4.5µsec
3.0µsec
90Ω
8.0V
6.0µsec
400nsec
64-Lead MQFP w/o 13 leads
(Refer to Lead
Assignments for
correct pin
configuration. This
diagram shows
electrical
connections only)
15V
3
3
VCC
LIN1,2,3
HIN1,2,3
FAULT
BRIN
SD
VFH1,2,3
VFL1,2,3
DSB
BR
DT
VSS
VB1,2,3
DSH1,2,3
HOP1,2,3
HOQ1,2,3
HON1,2,3
VS1,2,3
DSL1,2,3
LOP1,2,3
LOQ1,2,3
LON1,2,3
COM
U
V
W
1
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IR22381QPBF/IR21381Q(PbF)
Pin: HOP, LOP, HOQ, LOQ
The VO and IO parameters are referenced to COM and VS1,2,3 and are applicable to the respective output leads:
HO1,2,3 and LO1,2,3.
Symbol
Definition
Min Typ Max Units Test Conditions
VOH High level output voltage, VBIAS – VO (normal
switching). HOP=HOQ, LOP=LOQ.
--2V
IO = -20mA
IO1+ Output high first stage short circuit pulsed current. 200 350 -
HOP=HOQ, LOP=LOQ
IO2+ Output high second stage short circuit pulsed current. 100 200 -
HOP=HOQ, LOP=LOQ
Note 1: for HOx Æ HINx/N = 0V, for LOx Æ LIN = 5V
V O=0V, VIN=1
(Note 1) PW≤ton1
mA Figure 16
VO=0V, VIN=1
(Note 1)
PW≤10µs
Figure 5: HOP/HOQ and LOP/LOQ diagram
Pin: HON, LON, SSDH, SSDL
The VO and IO parameters are referenced to COM and VS1,2,3 and are applicable to the respective output leads:
HO1,2,3 and LO1,2,3 .
Symbol
Definition
Min Typ Max Units Test Conditions
VOL Low level output voltage, VO (normal switching)
HON, LON
-- 2V
IO = 20mA
RON,SS
IO-
Soft shutdown on resistance (see Note 2)
Output low short circuit pulsed current
- 500 -
250 540 -
Ω PW ≤ tSS
mA VO=15V, VIN=0
(Note 3)
PW≤10µs
Note 2: SSD operation only
Note 3: for HOx Æ HINx/N = 5V, for LOx Æ LIN = 0V
Figure 6: HON, LON diagram
5
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IR22381QPBF/IR21381Q(PbF)
HIN
LIN
HO
DTLoff
(HOP=HOQ=HON)
50%
10%
DT
DTHoff
90%
50%
DT
90%
50%
LO
(LOP=LOQ=LON)
10%
50%
Figure 12: Internal Dead-Time Timing
VB1,2,3
DSH1,2,3
VS1,2,3
VB1,2,3
DSL1,2,3
VS1,2,3
VCC
VFH1,2,3
VSS
VCC
VFL1,2,3
VSS
VDESAT-
VDESAT+
VDESAT+
tVFHL1,2,3
90%
tVFLH1,2,3
10%
VDESAT-
tVFHH1,2,3
10%
tVFLL1,2,3
90%
Figure 13: Voltage Feedback Timing
11
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet IR21381Q.PDF ] | |
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