IR2238Q International Rectifier, IR2238Q Datasheet - Page 8

• Manufacturer Part Number: IR2238Q
• Description: IC CTRLR AC MOTOR 3PH HV 64MQFP
• Manufacturer: International Rectifier

Specifications of IR2238Q

• Applications: AC Motor Controller, 3 Phase
• Number Of Outputs: 1
• Current - Output: 350mA
• Voltage - Supply: 12.5 V ~ 20 V
• Operating Temperature: -20°C ~ 115°C
• Mounting Type: Surface Mount
• Package / Case: 64-MQFP, 64-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -

IR2238Q
8
Figure 2 Driver Output Circuit Block Diagram
Shutdown
Feedback
Voltage
Gate
VFH1
FAULT
HIN1
LIN1
BRIN
VSS
VCC
VFL1
LIN2
LIN3
PREVENTION
To Low Side Logic
THROUGH
One Shot
TRIGGER
SCHMITT
INPUT &
SHOOT
6usec
DETECT
UV Detect
UV
SHUTDOWN
HARD
Q
Q
CLEAR
LOGIC
deadtime
100nsec
SET
CLR
R
S
Figure 3 Fault Logic Diagram
Gate Drive Circuit
Block Diagram
Blanking
ONESHOT 6us
3usec
1usec
HOLD LATCH
filter
HOLD
Latch
Input
ONE SHOT
HARD SHUTDOWN
SHUTDOWN
SHUTDOWN
ONESHOT
SOFT
Soft Shutdown
SHIFTERS
Impedence =
LEVEL
HIN2 SHUTDOWN ONESHOT
HIN3 SHUTDOWN ONESHOT
500 ohms
LIN3 SHUTDOWN ONESHOT
LIN2 SHUTDOWN ONESHOT
8V
SHUTDOWN
HIN1
VFB
FAULT
LOGIC
SOFT SHUTDOWN
LOCAL DESAT
PROTECTION
DETECTION
FEEDBACK
VOLTAGE
FEEDBACK
VOLTAGE
DESAT
LOCAL DESAT
PROTECTION
SHUTDOWN
UV DETECT
FEEDBACK
VOLTAGE
LATCH
SOFT
HON
HOP
VS
HOQ
DSH
VB
HIN1
LIN1
DRIVER
BRAKE
di/dt control
DRIVER
DRIVER
di/dt control
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HOP1
HON1
HOQ1
DSH1
VS1
DSL1
BR
VB1
LOQ1
LOP1
LON1
COM
DSB