L99DZ80EP datasheet(25/68 Pages) STMICROELECTRONICS

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L99DZ80EP

Electrical specifications

2.8

Electrochrome mirror driver

Table 18. Open-load monitoring

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VODSL

Low-side drain-source monitor low

off-threshold voltage

VSLx =0V; VS = 13.5 V

0.14 * VS 0.18 * VS 0.21 * VS

VODSH

Low-side drain-source monitor

high off-threshold voltage

VSLx =0V; VS = 13.5 V

0.75 * VS 0.85 * VS 0.95 * VS

VOLSHx

Output voltage of selected SHx in

open-load test mode

VSLx =0V; VS =13.5V

0.5*VS

RpdOL

Pull-down resistance of the non-

selected SHx pin in open-load

mode

VSLx =0V; VS =13.5V;

VSHX =4.5 V



TOL

Open-load filter time

Table 19. Electrochrome mirror driver

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VCTRLmax

Maximum EC-control voltage

Bit0 = 1 control reg. 2(1)

1.4

1.6

Bit0 = 0 control reg. 2(1)

1.12

1.28

DNLECV

(2)

Differential non linearity

-1

LSB(3)

IdVECVI

Voltage deviation between

target and ECV

dVECV =Vtarget

(4) - V

ECV;

IIECDRI<1µA

-5 % -

1LSB(3)

+5 % +

1LSB(3)

dVECVnr

Difference voltage

between target and

ECV sets flag if

VECV is

below it

dVECV =Vtarget

(4) - V

ECV;

toggle bitx = 1 status reg. x

120

dVECVhi

above it

-120

tFECVNR

ECVNR filter time

µs

tFECVHI

ECVHI filter time

µs

VECDRminHIGH

Output voltage range

IECDR = -10 µA

4.5

5.5

VECDRmaxLOW

IECDR =10µA

0.7

IECDR

Current into ECDR

Vtarget

(4) >V

ECV +500 mV;

VECDR =3.5 V

-100

-10

µA

Vtarget

(4) <V

ECV - 500 mV;

VECDR =1.0 V; Vtarget =0V;

VECV =0.5 V

100

µA

Recdrdis

Pull-down resistance at ECDR

in fast discharge mode and

while EC-mode is off

VECDR = 0.7 V; ECON = ‘1’;

EC<5:0>=0 or ECON =‘0’



DNLECFD

(2)

Differential Non Linearity

-1

LSB(3)

IdVECFDI

Voltage deviation between

target and ECFD

dVECFD =Vtarget

(4) -V

ECFD;

IECFD <TBD mA

-5 %-

1LSB(3)

+5 %+

1LSB(3)

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