MC33580BAPNA Freescale, MC33580BAPNA Datasheet - Page 29

• Manufacturer Part Number: MC33580BAPNA
• Manufacturer: Freescale

Specifications of MC33580BAPNA

• Switch Type: High Side
• Power Switch Family: MC33580
• Input Voltage: 6 to 27V
• Power Switch On Resistance: 30mOhm
• Number Of Outputs: 4
• Mounting: Surface Mount
• Supply Current: 20mA
• Package Type: Power QFN
• Operating Temperature (min): -40C
• Operating Temperature Classification: Automotive
• Pin Count: 24
• Lead Free Status / RoHS Status: Compliant

standalone capability.
CONFIGURATION WITHOUT MCU
desire to plug the device and then immediately “play” with it,
without having to connect it to a microcontroller. It also
provides an easy way to evaluate the main electrical features.
parameters and get full diagnosis via the SPI, the MC33580
runs with all parameters set to default.
ground. Fail safe mode and watchdog timeout must be
disabled by connecting the FSI to GND.
communication. Nevertheless, any configuration is possible
Table 19. Default SPI-Configurable Parameters
Table 18. Available Functions
Analog Integrated Circuit Device Data
Freescale Semiconductor
Wake/Sleep mode
Output ON/OFF control
Over temperature protection
Over voltage protection
Under voltage protection
Over current protection
Open load, battery disconnect, reverse
battery, ground disconnect protections
Fault diagnosis
Current sense
Watchdog timeout
Configurable slew rate
Analog temperature feedback
This section consists of evaluating the MC33580
The standalone mode is intended for customers who
Without the Microcontroller to select programmable
The input SPI pin pins and VDD must be connected to
All protection functions are available without SPI
Over current detect blanking time
Function
Configulable Parameter
Under voltage protection
Over voltage protection
Over current protection
Watchdog time timeout
Over current high level
Over current low level
Slew rate mode
Current sense
Available
Via SPI or IN pin
Available, can be unlatched
Available, can be disabled
Available, can be disabled
Available, configurable (with 8 low levels and
2 high levels), can be disabled
Available
Full diagnosis with report by SPI and fault
status pin (/FS)
Available, 2 configurable ratios
Available, 4 configurable timings
2 slew rate modes
Available
STANDALONE MODE
With SPI
without an MCU to communicate by SPI. Some functions still
enable, but diagnosis is reduced. Available functions and
default parameters are detailed next.
FUNCTIONING WITHOUT MCU
safe mode and watchdog timeout are not useful functions
without an MCU, but still enable. Wake/Sleep mode is used
to minimize current consumption during sleep mode. IN pins
control the corresponding outputs and FS output is active (at
0 V) when a default occurs.
default parameters.
applying supply voltage to the MC33580. Levels and timings
are typical values.
Without an MCU, SPI communication is not possible. Fail
Table 18
Table 19
illustrates the available functions without SPI and
illustrates default parameters after resetting or
Default Typical Value
Available
Only with IN pin
Available
Available, always enable
Available, always enable
Available, always enable with default values
Available
Limited fault diagnosis with Fault status pin
only
Not available
Available, default value
Default slew rate mode
Available
Slow mode
OCLO0
Disable
T
Enable
Enable
Enable
OCHI0
t
OCLO0
WDTO0
Without SPI
TYPICAL APPLICATIONS
STANDALONE MODE
33580
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