SPSB100 datasheet(69/213 Pages) STMICROELECTRONICS

69 / 213 page

Electrical characteristics

7.1

Supply monitoring

The voltages are referred to GND and currents are assumed positive, when the current flows into the pin.

3 V < VS < 29 V, 6 V ≤ VFBB ≤ 29 V, Tj = -40 °C to 150 °C, unless otherwise specified.

Table 22. Supply and supply monitoring

Symbol

Parameter

Condition

Min

Typ

Max Unit

VFBB_OK_R1

VFBB OK rising threshold If BUCK1 and BUCK2 voltage setting = 3.3 V

6.9

7.2

7.5

VFBB_OK_F1

VFBB OK falling threshold If BUCK1 and BUCK2 voltage setting = 3.3 V

6.4

6.7

7.0

VFBB_OK_R2

VFBB OK rising threshold

If BUCK1 or BUCK2 voltage setting are above 3.3 V

(5.0 or 6.5 V)

8.65

9.0

9.25

VFBB_OK_F2

VFBB OK falling threshold

If BUCK1 or BUCK2 voltage setting are above 3.3 V

(5.0 or 6.5 V)

8.15

8.5

8.75

VFBB_OK_LP_R1

Low power VFBB OK

rising threshold

If BUCK1 and BUCK2 voltage setting = 3.3 V

6.65

7.0

7.25

VFBB_OK_LP_F1

Low power VFBB OK

falling threshold

If BUCK1 and BUCK2 voltage setting = 3.3 V

6.15

6.5

6.75

VFBB_OK_LP_R2

Low power VFBB OK

rising threshold

If BUCK1 or BUCK2 voltage setting are above 3.3 V

(5.0 or 6.5 V)

8.4

8.75

9.0

VFBB_OK_LP_F2

Low power VFBB OK

falling threshold

If BUCK1 or BUCK2 voltage setting are above 3.3 V

(5.0 or 6.5 V)

7.9

8.25

8.5

VFBB_OK_HYS

VFBB OK hysteresis

0.4

0.5

0.6

TF_FBB_OK

Digital filter time on FBB

Covered by scan

µs

VFBB_OV

VFBB overvoltage

threshold

VFBB increasing/decreasing

VFBB_OV_HYS

VFBB overvoltage

hysteresis

0.1

0.15

0.25

TF_FBB_OV

digital filter time on FBB

overvoltage

Covered by scan

µs

VFBB_OV_EW

VFBB overvoltage early

warning threshold

FBB_OV_EW_TH = [0…3]

Step = 1 V

VFBB_UV_EW_TH

VFBB undervoltage early

warning range

FBB_UV_EW_TH = [0…3]

Step = 0.24 V

8.36

VVS_UV_EW_TH

VS undervoltage early

warning range

VS_UV_EW_TH = [0…4]

Step = 0.24 V

2.6

9.8

VVIO_UV_R

VIO undervoltage rising

VIO voltage

2.75

2.9

3.05

VVIO_UV_F

On a falling VIO voltage

2.7

2.85

3.0

VVIO_UV_HYS

Hysteresis VIO

monitoring

0.005 0.035 0.065

TF_VIO_UV

Digital filter time on

comparator output

Covered by scan

µs

IV(act)(1)

Current consumption in

active-full power mode

VS = 13.5 V

BUCK1, 2, 3 ON

LDO1, LDO2 ON

SPSB100

Electrical characteristics

DS14640 - Rev 2

page 69/213

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