L9961 datasheet(18/65 Pages) STMICROELECTRONICS

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Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

105 °C < TJ < 120 °C

VCELL_NOISE

Cell conversion noise

LSB rms

TCELL_FILTER1

Cell and VB acquisition filter time

0.8

TCELL_FILTER2

Cell and VB acquisition filter time

1.31

TCELL_FILTER3

Cell and VB acquisition filter time

4.38

TCELL_FILTER4

Cell and VB acquisition filter time

16.67

VCELL_OV_TH

Programmable cell OV fault threshold (8

bit)

VCELLOVTH=16VCELL_RES*CODE

NCELL_OV_CNT_TH

Programmable cell OV event counter

threshold (4 bit)

events

VCELL_SEVERE_OV

_DELTA_TH

Programmable cell severe OV threshold

(positive delta in respect to cell OV

threshold, 8 bit)

VCELLSEVEREOVTH=VCELLOVTH

+16VCELL_RES*CODE

In case of overflow, the

VCELLSEVEREOVTHissaturatedtothe

max. specified value

VCELL_UV_TH

Programmable cell UV fault threshold (8

bit)

VCELLUVTH=16VCELL_RES*CODE

NCELL_UV_CNT_TH

Programmable cell UV event counter

threshold (4 bit)

events

VCELL_SEVERE_UV

_DELTA_TH

Programmable cell severe OV threshold

(negative delta in respect to cell UV

threshold, 8 bit)

VCELLSEVEREUVTH=VCELLUVTH

−16VCELL_RES*CODE

In case of underflow, the

VCELLSEVEREUVTHissaturatedtothe

min. specified value

VCELL_BAL_UV_DE

LTA_TH

Programmable balancing UV threshold

(positive delta in respect to cell UV

threshold, 8 bit)

VCELLBALUVTH=VCELLUVTH

+16VCELL_RES*CODE

In case of overflow, the

VCELLSEVEREUVTHissaturatedtothe

max. specified value

NCELL_BAL_UV_CN

T_TH

Programmable balance UV event counter

threshold (4 bit)

events

L9961

Voltage conversion routine

DS14012 - Rev 3

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