L9679P datasheet(277/279 Pages) STMICROELECTRONICS

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DS11627 Rev 7

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L9679P

Revision history

278

Revision history

Table 77. Document revision history

Date

Revision

Changes

03-May-2016

Initial release.

08-Oct-2018

– Updated Figure 2: Device function block diagram on page 23;

– Modified description of the bullet SSM_RESET on page 50;

– Corrected in Section 7.3.28 register “RES_MEAS_CHSEL[3:0]” for

“0100” from “unused” to “ER cap ESR measure”;

– Fixed condition of parameter ΔILIM_OC_PSI5;

– Updated Section 18.21: General purpose output drivers and

Table 66: GPO interface DC specifications;

– Changed min value of VOH_RESET parameter;

– Fixed description in Section 8.1.2: Deploy command expiration timer;

– Added ISRC_DELTA parameter;

– Fixed description in Section 6.12: Reset control added min and max

values of oscillator Frequency Detection Threshold parameters;

– Fixed description for ERSWITCH_LIM_SEL bit in SYS_CTL spi

– Fixed min value of IPD_VSF_TOT parameter;

– Improved ESR ER CAP diagnostic description in Section 6.5.2: ER

CAP ESR measurement;

– Added delta VBgood2 – VBbad2 parameter;

– Removed VMEAS_ACC parameter;

– Added VSR_CLAMP parameter;

– Updated Figure 10: IC operating state diagram;

– Changed description in Section 9.1.1: Functional description to

specify better when data registers are updated; added in parameters

section TWRITE_EN_DELAY_LF and TWRITE_EN_DELAY_HF;

– Replaced 6 bits with 2 bits for deploy expiration timer configuration in

Section 8.1.2: Deploy command expiration timer;

– Updated “CSx[2:0] 100 in Section 7.3.55: Safing control x registers

(SAF_CONTROL_x);

– Added parameters to specify soft start of erboost and syncboost in

Table 36: ERBoost regulator AC specifications and Table 45:

SYNCBOOST converter AC specifications;

– Added block diagram of ADC Mux in Section 15: System voltage

diagnostics;

– Added total Voltage Measurement Accuracy in Table 71: Voltage

diagnostics (Analog MUX);

– Fixed description in Section 5.2: Deployment drivers;

– Improved the power supply sequences;

– Changed AMR of SR pin from 40 V to 35 V;

– Added some additional test conditions in electrical tables;

– Improved description of PSI5 time slot control.

– Table 73: Errata sheet on page 272.

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