Datasheet > L9369

L9369

更新时间： 2023-12-20 18:45:58

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电子驱动驱动器
页数	文件大小	规格书
13页	287K
描述
用于电子驻车制动的电子双路H桥预驱动器

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L9369 数据手册

L9369

Automotive IC for a specific application of electric parking braking

Data brief

 2 Motor Speed Sensors (MSS) interfaces to

acquire speed information feedbacks via

external Hall sensors.

 System wake-up in Sleep Mode

 Watchdog (configurable via SPI)

'!0'03ꢀꢀꢁꢂꢁ

LQFP64 (10x10x1.4mm)

Description

The L9369 targets the specific application of

electric parking braking, suitable for system

configuration in cable-puller or Motor Gear Unit

Features

(MGU).

 AEC-Q100 qualified

The cores are two H-bridge driver stages to drive

8 external FETs for the rear wheels brakes

actuators. The stages are fully driven and

configurable via SPI, also in PWM control mode

 Functional safety concept for ISO26262

compliance

 4 High-side and Low-side gate pre-drivers for 8

external power NFETs

and protected against overcurrent, with drain-

 Overcurrent protection with programmable

source and gate-source voltages monitoring.

thresholds

A synchronized motor voltages and currents

acquisition, is performed via full differential

amplifiers with programmable and precise gain

and low offset and 10 ADC sigma-delta

modulators.

 Programmable and NFET independent

thresholds for VDS monitoring

 10 integrated Fully differential amplifiers with

low offset, very precise gain, and self-test

 10 separate ADC channels for digital

processing of motor current and voltage

measurement

Two configurable HS/LS stages are present with

programmable output voltage to drive LED arrays,

with feedforward regulation.

 32-bits - 10 MHz SPI with CRC for internal

2 Motor Speed Sensor interfaces (MSS) are

available to acquire position feedback from brake

actuators (shared with Lamp driver stage and

GPIO).

setting, self-test and diagnostics

 Full drive of external power NFETs down to

5.5 V battery input voltage

 Monitoring on Main power supply and

The set of the interfaces is completed by 4 GPIO

(General Purpose I/O) pins and a button interface

allows to manage specific customer requirements

from Electronic parking braking (EPB) button

console both in Normal and Sleep Mode.

continuous BIST for internal regulators

 Double Bandgap reference

 4 General Purpose I/O stages (GPIO)

 Button Interface (9 configurable I/O pins) for

monitoring and diagnostics in Normal and

Sleep Mode.

Table 1. Device summary

Order code

Package

Packing

L9369-TR

LQFP64

Tape & Reel

January 2019

DB3819 Rev 1

1/13

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4 5 6 7...13

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