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ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 5. Dynamic Electrical Characteristics (continued)
Characteristics noted under conditions 4.5 V ? V CC ? 5.5 V, 7.0 V ? V BAT ? 20 V, -40 ?? C ? T A ? 125 ?? C, unless otherwise noted.
Typical values noted reflect the approximate parameter mean at T A = 25 ?? C under nominal conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
PWM MODULE
Nominal PWM Frequency Range (44)
Clock Input Frequency Range
Output PWM Duty Cycle maximum range for 11 V<V BAT <18 V (42), (44)
Output PWM Duty Cycle linear range for 11 V<V BAT <18 V (43), (44)
f PWM
f CLK
PWM_MAX
PWM_LIN
30
7.68
4.0
5.5
–
–
–
–
400
51.2
96
96
Hz
kHz
%
%
Output PWM Duty Cycle range for full diagnostic for 11 V<VBAT<18 V (45)
PWM_DIAG
%
200 Hz Output PWM frequency
400 Hz Output PWM frequency
5.5
11
–
–
96
90
WATCHDOG TIMING
Watchdog Timeout (SPI Failure)
t WDTO
50
75
100
ms
I /O PLAUSIBILITY CHECK TIMING
Fault Shutdown Delay Time (from Over-temperature or OCHI1 or OHCI2 or
OCLO Fault Detection to Output = 50% V BAT without round shaping feature
for turn off)
Under-voltage Deglitch Time (46)
High Over-current Threshold Time 1
High Over-current Threshold Time 2
Autorestart Period
Autorestart Over-current Shutdown Delay Time
Limp Home Input pin Deglicher Time
Cyclic Open Load Detection Timing with LED (47)
Flasher Toggle Timeout
Ignition Toggle Timeout
Stop Toggle Timeout
Clock Input Low Frequency Detection Range
Clock Input High Frequency Detection Range
t SD
? t UV
t 1
t 2
? t AUTORST
t OCSH_AUTO
t LIMP
t OLLED
t FLASHER
t IGNITION
t STOP
f LCLK DET
f HCLK DET
–
0.8
7.0
52.5
52.5
3.5
7.0
105
1.4
1.4
1.4
1.0
100
7.0
1.25
10
75
75
5.0
10.0
150
2.3
2.3
2.3
2.0
200
30
2.0
13.5
97.5
97.5
6.5
13.0
195
3.0
3.0
3.0
4.0
400
? s
? s
ms
ms
ms
ms
ms
ms
s
s
s
kHz
kHz
Notes
42. The PWM ratio is measured at V OUT = 50% of V BAT in nominal range of frequency. It is possible to put the device fully on (PWM duty
cycle = 100%) and fully off (PWN duty cycle = 0%). Between 4%-96%, OCLO 1,2 , OCLO and open load are available in ON state. See
Input Timing Switching Characteristics on page 18 .
43. Linear range is defined by output duty cycle to SPI duty cycle configuration +/- LSB. For values outside the linear duty cycle range, a
calibration curve is available.
44. Not production tested.
45. Full diagnostic corresponds to the availability of the following features: output current sensing, output status and openload detection.
Not production tested.
46. This time is measured from the V BAT(UV) level to the fault reporting. Parameter guaranteed in testmode.
47.
OLLEDn bit (where “n” corresponds to respective outputs 1 through 5) in SI data is set to logic [1]. Refer to Table 9, Serial Input Address
and Configuration Bit Map .
35XS3500
Analog Integrated Circuit Device Data ?
16
Freescale Semiconductor
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