L9965T datasheet(11/62 Pages) STMICROELECTRONICS

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Current consumption

L9965T/TS are supplied by VBx pins, which are used to generate all the regulated supplies of related transceiver

die.

When used in BEV/PHEV systems, the IC is usually placed in the LV battery junction box, where it is usually

supplied by the 12 V battery supply.

Current consumption is reported in different operating modes. Refer to Section 5.1 for functional state definitions.

Table 6. Current consumption for each die

Symbol

Parameter

Test condition

Min Typ Max Unit Pin

IVB(DEEPSLEEP)

Supply Current

DEEPSLEEP

-40°C ≤ Tamb ≤ +85°C

µA

IVB(DEEPSLEEP)

Supply Current

DEEPSLEEP

+85°C ≤ Tamb ≤+125°C

µA

IVB(CYCLIC)

Consumption from VB pin

when wakeup timer is

active

CYCLIC_COUNT Mode -40°C ≤ Tamb ≤

+85°C

µA

IVB(CYCLIC)

CYCLIC_COUNT Mode +85°C ≤ Tamb

≤+125°C

µA

IVB(NORMAL)

Supply Current

NORMAL no current on WKP pin

1.6

IVIO(DEEPSLEEP,

CYCLIC_COUNT)

VIO Supply Current

DEEPSLEEP

CYCLIC_COUNT

µA

VIO

IVIO(NORMAL)

VIO Supply Current

NORMAL state, BNE and FLT pins idle

490 600

µA

VIO

L9965T/L9965TS

Current consumption

DS14987 - Rev 1

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