MCZ33927EKR2 Freescale Semiconductor, MCZ33927EKR2 Datasheet - Page 36
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MCZ33927EKR2
Manufacturer Part Number
MCZ33927EKR2
Description
IC FET PRE-DRIVER 3PH 54-SOIC
Manufacturer
Freescale Semiconductor
Specifications of MCZ33927EKR2
Configuration
3 Phase Bridge
Input Type
Inverting and Non-Inverting
Delay Time
265ns
Current - Peak
600mA
Number Of Configurations
1
Number Of Outputs
3
High Side Voltage - Max (bootstrap)
75V
Voltage - Supply
8 V ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
54-SOIC (7.5mm Width) Exposed Pad, 54-eSOIC, 54-HSOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Table 18. 33927 Fault Protection
36
33927
FUNCTIONAL DEVICE OPERATION
PROTECTION AND DIAGNOSIS FEATURES
to disable all automatic shutdowns except for VLS undervoltage. Even when masked, faults will be registered by the status
registers.
1
2
3
4
5
6
No.
NOTE: Other protective actions should be taken at the system level by the controlling microcontroller or DSP. It is possible
Phase Output
Shorted to VBAT
(High-Side FET
Shorted)
Phase Output
Shorted to
Ground (R
Bypassed)
Low-Side FET
Shorted
High-Side FET
Opened
Low-Side FET
Opened
Phase Output
Opened (No
Load)
Fault
SENSE
Wire harness shorted to
battery
Drain-to-Source short on the
High-Side FET
Drain-to-Source short on the
Low-Side FET
Wire harness shorted to
Module board assembly
Module board assembly
Wire harness open
PROTECTION AND DIAGNOSIS FEATURES
Cause
battery
issue
issue
• Directly sensed by ADC as
• Overcurrent Comparator output
• Low-Side Phase Error
• Direct PHASEx output
• Desaturation Error
• High-Side Phase Error
• Direct PHASEx output
• Directly sensed by the ADC as
• Overcurrent Comparator output
• Desaturation Error
• High-Side Phase Error
• Direct PHASEx output
• Desaturation Error
• High-Side Phase Error
• Directly sensed by ADC as
• Low-Side Phase Error
• Directly sensed by ADC as
voltage across R
OC_OUT monitoring
(Overcurrent Error)
monitoring
monitoring
voltage across R
OC_OUT high (Overcurrent
error)
monitoring
voltage across R
voltage across R
Detection
SENSE
SENSE
SENSE
SENSE
Analog Integrated Circuit Device Data
• All external FETs turned off
• Fault bit set in Status Register
• INT pin set high
• OC_OUT pin set high
• All external FETs turned off
• Fault bit set in Status Register
• INT pin set high
• All external FETs turned off
• Fault bit set in Status Register
• INT pin set high
• OC_OUT pin set high
• All external FETs turned off
• Fault bit set in Status Register
• INT pin set high
• All external FETs turned off
• Fault bit set in Status Register
• INT pin set high
33927 Protective Action
Freescale Semiconductor