L9678PTR datasheet(64/215 Pages) STMICROELECTRONICS

Teilenummer	L9678PTR

Bauteilbeschribung	Automotive user configurable airbag and battery cut-off IC

PDF	215 Pages

Scroll/Zoom	100%

Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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64 / 215 page

SPI interface

L9678P, L9678P-S

64/216

DS11626 Rev 9

Set based on voltage, cleared on SPI read

0 VDD3V3 > VDD3V3_UV

1 VDD3V3 < VDD3V3_UV

VDD3V3_OV

- VDD3V3 bad pin status

Set based on voltage, cleared on SPI read

0 VDD3V3 < VDD3V3_OV

1 VDD3V3 > VDD3V3_OV

ER_BST_NOK

- ERBOOST pin status

Set and cleared based on voltage

1 V_ERBOOST < ERBOOST_OK

0 V_ERBOOST > ERBOOST_OK

VDD5_UV

- VDD5_UV status

Set based on voltage, cleared on SPI read

0 VDD5 > VDD5_UV

1 VDD5 < VDD5_UV

VDD5_OV

- VDD5_OV status

Set based on voltage, cleared on SPI read

0 VDD5 < VDD5_OV

1 VDD5 > VDD5_OV

VSUP_NOK

- VSUP status

Set and cleared based on voltage

0 VSUP > VSUP_OK

1 VSUP < VSUP_OK

ER_BST_ON

- ERBOOST_ON state

Updated according to ER_BOOST Control Behavior diagram

0 RBOOST_OFF or ERBOOST_OT state or ER_BST_STBY state (boost

not running)

1 ERBOOST_ON state (boost running)

ER_CHRG_ON

0 ERCHARGE_ON state

Updated according to ER_CHARGE Power Mode Control diagram

0 ERCHARGE_ON = 0

1 ERCHARGE_ON = 1

L9678PTR Datenblatt(PDF) 64 Page - STMicroelectronics

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