L9662 datasheet(11/80 Pages) STMICROELECTRONICS

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L9662

Electrical specifications

2.2

Absolute maximum degraded operating ratings

Under the following deviations to the ratings indicated in Section 2.3 the device performance

will be degraded and not meet the electrical characteristics outlined in Section 2.4. At

minimum the SPI and diagnostics will function but not meet specified electrical parameters.

Note:

The above is provided for informational purposes only and will result in degraded operation.

Under the above conditions the SPI will be functional as well as diagnostics, though the

electrical performance may not conform to the parameters outlined in Section 2.4. Firing

requirements as indicated in Section 2.4 may not be met with the conditions above.

AGND

Analog output reference

-0.3 to 6.0

GND

Ground (GND, GND0, GND1, GND2, GND3, GND4, GND5,

GND6, GND7)

-0.3 to 6.0

Maximum steady-state junction temperature

150

°C

Tamb

Ambient temperature

-40 to 95

°C

Tstg

Storage temperature

-65 to 150

°C

Rth j amb

Thermal resistance junction-to-ambient

°C/W

Table 3. Absolute maximum ratings

Symbol

Parameter

Value

Unit

Table 4. Absolute maximum degraded operating ratings

Symbol

Parameter

Value

Unit

VDD

Supply voltage

4.5 to 5.5

VSDIAG

Supply voltage for squib diagnostics

7 to 40

VSATS

Satellite supply voltage

7 to 14

VSYNC

Sync supply voltage

(VSATS+ 5.5 V) to 40

VRES

VRES voltage (VRES0, VRES1, VRES2, VRES3, VRES4,

VRES5, VRES6, VRES7)

7 to 40

Discrete input voltage (RESETB, DEPEN, CS_D, CS_S,

SCLK, SCLK_S, MOSI, MOSI_S, MISO, MISO_S, FEN1,

FEN2, FEN3, FEN4, INITSYNC)

- 0.3 to (VDD +0.3)

Junction temperature

-40 to 150

°C

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