33480 datasheet(13/39 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33480

DYNAMIC ELECTRICAL CHARACTERISTICS

I/O PLAUSIBILITY CHECK TIMING (CONTINUED)

High Overcurrent Threshold Time 1

for OUT1 and OUT5

for OUT2:4

tOUT1

tOUT2

High Overcurrent Threshold Time 2

for OUT1 and OUT5

for OUT2:4

tOUT1

tOUT2

52.5

105

150

97.5

195

Autorestart Period

for OUT1 and OUT5

for OUT2

tAUTORST-T1

tAUTORST-T2

52.5

105

150

97.5

195

Autorestart Overcurrent Shutdown Delay Time

for OUT1 and OUT5

for OUT2

tOCHIARS

3.5

7.0

5.0

10.0

6.5

13.0

Limp Home Input pin Deglicher Time

tLIMP

7.0

10.0

13.0

Cyclic Open Load Detection Timing with LED (37)

tOLLED

105

150

195

Flasher Toggle Timeout

tFLASHER

1.4

TBD

Ignition Toggle Timeout

tIGNITION

1.4

TBD

Clock Input Low Frequency Detection Range

fLCLK det

1.0

2.0

4.0

kHz

Clock Input High Frequency Detection Range

fHCLK det

100

200

400

kHz

Notes

35.

The PWM ratio is measured at Vout = 50% of VBAT in nominal range of PWM frequency (from 60Hz to 200Hz). It is possible to put the

device fully on (PWM duty cycle = 100%) and fully off (PWM duty cycle = 0%). Between 4%-96%, OCHI1,2, OCLO and open load are

available in ON state.See Figure 4, Input Timing Switching Characteristics

36.

Linear range is defined by output duty cycle to SPI duty cycle configuration +/-1 LSB. For values outside linear duty cycle range, a

calibration curve is available.

37.

IOLLEDn bit (where “n” corresponds to respective outputs 1 through 5) in SI data is set to logic [1]. Refer to Table 8, Serial Input Address

and Configuration Bit Map, page 28.

Table 4. Dynamic Electrical Characteristics

Characteristics noted under conditions 4.5 V

≤ VCC ≤ 5.5 V, 7.0 V ≤ VBAT ≤ 18 V, -40°C ≤ TA ≤ 125°C, GND = 0 V unless

otherwise noted. Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless

otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

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