L9918 datasheet(68/109 Pages) STMICROELECTRONICS

номер детали	L9918

подробное описание детали	Alternator voltage regulator with LIN interface for 12 V applications

PDF	109 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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68 / 109 page

NVM register name

Definition

Notes

Description

#Bits Code

KLV_AC_ADAP_MIN_N

0x2

Lower saturation value for PH adaptive

thresholdUsage of this parameter depends on

ACADAPMIN_MODE

0.4 V

0x3

0.5 V

0x4

0.6 V

0x5

0.7 V

0x6

0.8 V

0x7

0.9 V

KLV_USSW

0x0

6.0 V

High threshold for the phase regulation adopted

while device is into Wake Up state.

0x1

6.2 V

0x2

6.4 V

0x3

6.6 V

0x4

6.8 V

0x5

7.0 V

0x6

7.2 V

0x7

7.4 V

0x8

7.6 V

0x9

7.8 V

0xA

8.0 V

0xB

8.2 V

0xC

8.4 V

0xD

8.6 V

0xE

8.8 V

0xF

9.0 V

KLV_LOWSW

0x0

1.8 V

Low phase regulation threshold

0x1

2.0 V

OV_LIM_EN

0x0

disable

Enables EXC shut down in case B+> VB+_lim

0x1

enable

LD_NR_DIS

0x0

phase regulation active

Disabling of OV (B+>U_FELD_AUS) function when

device is in phase regulation

0x1

phase regulation off

DC_PHREG

0x0

DC calculated by voltage

regulation loop

Setting of the DC value answered by LIN during

phase regulation.

0x1

25% (Pre-exc DC)

0x2

0x3

Phase regulation DC (real

DC on EXC)

PWM_NRMAX

0x0

TV = 5.5%

EXC duty cycle limitation at B+ > B+_lim during

phase regulation

0x1

TV = 12.0%

0x2

TV = 18.0%

0x3

TV = 24.0%

0x4

TV = 31.0%

0x5

TV = 37.0%

L9918

NVM parameters table

DS13000 - Rev 2

page 68/109

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