L9966 datasheet(9/122 Pages) STMICROELECTRONICS

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Device operation

The L9966 can enter several operating ranges according to the UBSW voltage, RST pin level, channel state (for

polling) and internal fault conditions.

5.1

Absolute maximum rating

The component withstands all the following stimuli without any damage or latch-up. Exceeding any of these

values for extended period may lead to component damage.

All voltages are related to GND.

Table 3. Absolute maximum rating

Pin Name

Pin Class

Pin Direction

Min Voltage

Max Voltage

Max Pin Current

IO_1 … IO_12

-3 V(1)

58 V

30 mA

IO_13 … IO_15

-3 V

58 V

30 mA

UBSW

-0.3 V

58 V

400 mA

VDD5

-0.3 V

5.5 V

100 mA

VDD5REF

-0.3 V

5.5 V

1 mA

VI5V

-0.3 V

5.5 V

1 mA

VIX

-0.3 V

36 V

1 mA

VT5V

-0.3 V

5.5 V

1 mA

VTX

-0.3 V

36 V

1 mA

RR1 … RR3

-0.3 V

5.5 V

25 mA

CS, SCLK, MOSI, MISO

-0.3 V

5.5 V

5 mA

CTRL_CFG

-0.3 V

5.5 V

1 mA

INT

-0.3 V

5.5 V

1 mA

WAKE

-0.3 V

58 V

20 mA

RST

-0.3 V

5.5 V

1 mA

SYNC

-0.3 V

5.5 V

5 mA

AOX

-0.3 V

5.5 V

1 mA

GND

1 A

R_GND

-0.3 V

0.3 V

1 mA

VRSP, VRSN

-0.3 V

3.6 V

20 mA

VRSout

-0.3 V

5.5 V

1 mA

SENT1-4

-0.3 V

5.5 V

1 mA

1. IO[4:1] allows down to -30 V transient in case UBSW no greater than 24 V max.

5.2

Latch-up trials

Latch-up tests performed according to JEDEC 78 class 2 Level A.

L9966

Device operation

DS12459 - Rev 10

page 9/122

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