KIT33887EKEVBE Freescale Semiconductor, KIT33887EKEVBE Datasheet - Page 13
![BOARD EVALUATION FOR MC33887](/photos/37/57/375700/kit33887ekevbe_bd_sml.jpg)
KIT33887EKEVBE
Manufacturer Part Number
KIT33887EKEVBE
Description
BOARD EVALUATION FOR MC33887
Manufacturer
Freescale Semiconductor
Type
Charge Pumpsr
Specifications of KIT33887EKEVBE
Main Purpose
Power Management, H Bridge Driver (Internal FET)
Embedded
No
Utilized Ic / Part
MC33887
Primary Attributes
5A, 5 ~ 28V, PWM to 20kHz, Active Current Limit
Secondary Attributes
Fault Status, Sleep Mode, Proportional Current Mirror Output
Input Voltage
8 V to 20 V
Board Size
50.8 mm x 50.8 mm
Maximum Operating Temperature
+ 85 C
Product
Power Management Modules
Dimensions
50.8 mm x 50.8 mm
Silicon Manufacturer
Freescale
Silicon Core Number
MC33887
Kit Application Type
Power Management - Motor Control
Application Sub Type
DC Brushed Motor
Kit Contents
Board, CD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
MC33887
Analog Integrated Circuit Device Data
Freescale Semiconductor
>8A
6.5
[1]
[0]
[1]
[0]
[1]
[0]
[1]
[0]
0
Tri-Stated
Outputs
IN1 IN2
0.0
Figure 11. Example Short Circuit Detection Detail on Low-Side MOSFET
8.0
6.5
8.0
5.0
Hard short occurs.
(per Input Control Condition)
t
IN1 or IN2
IN2 or IN1
Outputs Operation
on Low-Side
on
MOSFET
Limiting
Current
Active
Time
Figure 10. Operating States
t
t
a
a
High Current Load Being Regulated via Constant-OFF-Time PWM
TIME
IN1 or IN2
IN2 or IN1
Tri-Stated
Outputs
Hard Short
Hard Short
Hard Output
Short Latch-OFF
Hard short is detected during t
and output is latched-off.
t
t
b
b
Overcurrent Minimum Threshold
I
Short Circuit Detect Threshold
SCL
Short Circuit Detection Threshold
Typical Current Limit Threshold
t
t
t
t
a
b
a
Short Circuit Detection Threshold
b
= Tristate Output OFF Time
= Current Limit Blank Time
= Output Constant-OFF Time
= Output Blanking Time
Detection
Detection
I
LIM
Blanking Time
Typical PWM Load
Current Limiting
Waveform
Typical Current
Limiting Waveform
Moderate Current Load
and Latch-OFF
ELECTRICAL CHARACTERISTICS
b
TIMING DIAGRAMS
33887
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