L9733CN datasheet(9/34 Pages) STMICROELECTRONICS

Part #	L9733CN

Description	Octal self configuring low/high side driver

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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L9733

Operating conditions

Doc ID 11319 Rev 11

9/34

2.1.3

Operation at low battery condition

3.5 V

 V

bat  4.5 V (-40 °C  Tj  150 °C);

All outputs are able to keep the status in according to the commands on the SPI bus or the

PWM inputs. Switching commands entered via the SPI bus might not be executed by the

L9733 at low-battery condition. The SPI bus and the inputs are functional during the Low-

Battery condition.

2.1.4

Operation at load dump condition

27 V

 V

bat  40 V (-40 °C  Tj  150 °C)

There is not an internal circuit that switches OFF the drivers during load dump condition.

The over-temperature shutdown and over current protection of the device is not guaranteed

to stay functional during load dump condition.

2.1.5

Loss of protection against short to battery

When the battery supply voltage, Vbat (pin 14) is switched off during a short-to-battery

condition at a output in high-side configuration, the protection circuits are no longer

functional, and the L9733 may fail with EOS.

2.2

Absolute maximum ratings

This part may be irreparably damaged if taken outside the specified absolute maximum

ratings. Operation outside the absolute maximum ratings may also cause a decrease in

reliability.

Table 4.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

VDD

Supply voltage

-0.3 to 7

V

Vbat

Supply voltage

-0.3 to 40

V

CS,DI,DO,SCLK,EN,IN6,IN7,IN8,VDO

-0.3 to 7.0

V

SRCx pin

min. -24

VDC

Max. value of VSRCx = Minimum of {Vbat +1V ||| VDRNx+0,3 V ||| +40 V}

DRN1-8(1)

1.

For the DRNx the MAX ASB value is the Max Clamp Voltage (see Table 6 on page 13 - DRNx Clamp

voltage).

-0.3 to 60

VDC

IOL

Current limit of output 1-8 (-40 °C)

2.5

A

IOP

Over current protection at output 1-8 (-40 °C)

3

A

Maximum clamping energy

20

mj

ESD

Human body model - All pins

±2 (2)

2.

Device is only protected vs. GND.

kV

Human body model - Driver outputs

±4 (2)

kV

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