L9679P datasheet(77/279 Pages) STMICROELECTRONICS

No de pièce	L9679P

Description	Automotive advanced airbag for mid/high end applications and cut-off battery IC

PDF	279 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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77 / 279 page

DS11627 Rev 7

77/279

L9679P

SPI interfaces

278

Set based on voltage, cleared on SPI read

1 V_SYNCBOOST < SYNCBOOST_OK

0 V_SYNCBOOST > SYNCBOOST_OK

SATBUCK_NOK

- SATBUCK bad pin status

Set based on voltage, cleared on SPI read

1 V_SATBUCK < SATBUCK_OK

0 V_SATBUCK > SATBUCK_OK

ER_BST_NOK

- ERBOOST pin status

Set and cleared based on voltage

1 V_ERBOOST < ERBOOST_OK

0 V_ERBOOST > ERBOOST_OK

VCC_UV

- VCC_UV status

Set based on voltage, cleared on SPI read

0 VCC > VCC_UV

1 VCC < VCC_UV

VCC_OV

- VCC_OV status

Set based on voltage, cleared on SPI read

0 VCC < VCC_OV

1 VCC > VCC_OV

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

ER_LCDIS_ON

- ER Low Current Discharge State

Updated according to ER Low current discharge state diagram

0 ER_LCDIS_OFF

1 ER_LCDIS_ON

L9679P Fiches technique(PDF) 77 Page - STMicroelectronics

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