L9300 datasheet(10/182 Pages) STMICROELECTRONICS

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Battery voltage range

Table 4. Battery voltage range

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

VBATP operative

Normal Operative Voltage Range(1)

Ta = -40 °C

5.5

VBATP

Ta = 27 °C

5.55

Ta = 135 °C

5.6

VBATP double

Full Operating Voltage Range(2)

Ta ≤ 50 °C

VBATP

VBATP high

High Voltage Range(3)

Ta ≤ 50 °C

VBATP

VBATP low

Low Voltage Range(4)

Ta = -40 °C

-0.3

5.5

VBATP

Ta = 27 °C

-0.3

5.55

Ta = 135 °C

-0,3

5.6

1. The device shall be capable of full functional operation; min value of VBATP pin is considering the drop voltage of its

reverse protection diode.

2. The device shall be capable of full functional operation at Ta ≤ 50 °C There shall be no damage to flexible, no false

operation and input pins shall withstand voltage and current defined in Absolute ratings regardless of battery voltage range.

Also, linear regulators output shall not exceed the Transient Load Response defined in the related section and output

voltage of other output signals (i.e., CPU control signal, CAN-RXD, etc) shall not exceed the voltage at normal operation.

Full functional operation shall resume without any operator intervention when battery voltage returns to Normal Operating

Voltage Range at Ta ≤ 50 °C

3. There shall be no damage to the device, Solenoid channels will be disabled, together with Fail Safe and Pump pre-drivers,

to limit power dissipation; input pins shall withstand voltage and current defined in Absolute ratings regardless of battery

voltage range. Regulator outputs shall not exceed the Transient Load Response defined in related section and output

voltage of other output signals (i.e., CPU control signal, CAN-RXD, etc.) shall not exceed the voltage at normal operation.

Switching regulators may violate Transient Load Response accuracy depending on target regulated voltage, however no

reset should be triggered. Full functional operation shall resume without any operator intervention when battery voltage

returns to Normal Operating Voltage Range.

4. Depending on VBATP input level the device may be in reset condition or operating mode with degraded parameters. Details

of VBATP voltage range are described in Functional table, degraded parameters are specified in Electrical Characteristic

tables.

L9300

Battery voltage range

DS12258 - Rev 4

page 10/182

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