L9949 datasheet(16/22 Pages) STMICROELECTRONICS

16 / 22 page

Part number

Package

Transceiver

Voltage regulators

Driver stages

On-board features

Description

Transmission

rate

Transceiver

description

Outputs Accuracy

Drop voltage

DP (typ)

(mV)

Reset Watchdog Outputs Driver description

L99PM72PXP

PowerSSO‑36

20 kbaud

LIN and HS CAN

transceivers

5 V @

250 mA

± 2%

300 @ I

LOAD =

100 mA

•

HSD 1 Ω@ 120 mA

• Complete 3‑channel contact

monitoring interface with

programmable cyclic sense

functionality

• 4 internal PWM timers

Two operational amps with

rail‑to‑rail outputs (VS) and

low‑voltage inputs

• Programmable periodic

system wake‑up feature

Power management

IC with LIN and

high‑speed CAN

supporting selective

wake‑up functionality

according to

ISO 11898‑6

HSD 1 Ω@ 400 mA

5 V @

100 mA

±4 % (3%

@ 50 mA)

400 @ I

LOAD =

50 mA

Relay drivers (2 Ω)

L99PM80EP(*)

TQFP 48

20 kbaud

LIN and HS CAN

Transceivers

5 or 3.3

V @ 400

±2%

300 @ I

LOAD=

200 mA

•

HSD 7Ω @ 60 mA

• Integrated Boost controller

for sustaining low‑power

conditions

• Integrated Buck converter

for preregulated supply of

low drop voltage regulators

• Programmable periodic

system wake‑up feature

• Direct drive feature for HSD

Power management

IC with 4 LIN and

high‑speed CAN

according to

ISO 11898‑5

5 V

@ 50 mA

±2%

300 @ I

LOAD=

25 mA

Fail safe outputs

(7Ω, low side)

5 V

@ 80 mA

±2%

300 @ I

LOAD=

40 mA

(*) In development. Available in Q2/2014

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