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IR2238Q Datasheet

  • IR2238Q

  • 3-PHASE AC Motor Controller IC

  • 17頁

  • IRF

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Data Sheet No. PD60228
IR2238Q
Features
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Floating channel up to +1200V
鈥渟oft鈥?over-current shutdown turns off output
Integrated desaturation circuit
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
3-PHASE AC Motor Controller IC
Product Summary
VOFFSET
IO+/-
(min.)
VOUT
Brake (Io+/- min)
Deadtime (typ. with RDT=39k鈩?
DESAT Blanking time
(typ.)
DSH, DSL input voltage
threshold
(typ.)
Soft shutdown duration time
(typ.)
Voltage feedback matching
delay time
(max.)
1200V max.
220mA/460mA
12.5V - 20V
40mA/80mA
145nsec
1碌sec
3.0碌sec
8.0V
6.0碌sec
125nsec
Deadtime Asymmetry Skew
(max.)
Description
The IR2238Q is a 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. Soft shut-
down is predominantly initiated in the event of
overcurrent followed by turn-off of all six outputsf. A
shutdown input is provided for a customized shut-
down 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 volts *seconds
measurement.
Package
64-Lead MQFP
Block
Diagram
15V
3
3
VCC
LIN1,2,3
HIN1,2,3
FAULT
VB1,2,3
HOP1,2,3
HOQ1,2,3
HON1,2,3
DC
BUS
(Refer to Lead
Assignments for
correct pin
configuration).
This diagram
shows electrical
connections only.
uP,Control
VCC
W
V
VCC
BRIN
SD
IR2238Q
DSH1,2,3
VS1,2,3
LOP1,2,3
LOQ1,2,3
LON1,2,3
DSL1,2,3
Motor
VFH1,2,3
VFL1,2,3
DSB
BR
DT
U
COM
VSS
www.irf.com
1

IR2238Q 產(chǎn)品屬性

  • 66

  • 集成電路 (IC)

  • PMIC - 電機和風扇控制器，驅(qū)動器

  • -

  • AC 電機控制器，3 相

  • -

  • 1

  • 350mA

  • -

  • 12.5 V ~ 20 V

  • -20°C ~ 115°C

  • 表面貼裝

  • 64-MQFP，64-PQFP

  • 64-MQFP（20x14）

  • 托盤

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