Datasheet > 33911

33911

更新时间： 2022-12-14 19:14:06

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		驱动器
页数	文件大小	规格书
45页	567K
描述
LIN System Basis Chip with DC Motor Pre-driver

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33911 数据手册

Document Number: MC33911

Rev. 4.0, 2/2008

Freescale Semiconductor

Advance Information

LIN System Basis Chip with DC

Motor Pre-driver

33911

The 33911 is a Serial Peripheral Interface (SPI)-controlled System

Basis Chip (SBC) combining many frequently used functions in an

MCU-based system, plus a Local Interconnect Network (LIN)

transceiver. The 33911 has a 5.0V - 60mA low dropout regulator with

full protection and reporting features. The device provides full SPI-

readable diagnostics and a selectable timing watchdog for detecting

errant operation. The LIN Protocol Specification 2.0 compliant LIN

transceiver, has waveshaping circuitry that can be disabled for higher

data rates.

SYSTEM BASIS CHIP WITH LIN

2^NDGENERATION

One 60mA high side switch and two 160mA low side switches with

output protection are available for driving resistive and inductive loads.

All outputs can be pulse-width modulated (PWM). Two high-voltage

inputs are available for use in contact monitoring, or as external wake-

up inputs. These inputs can be used as high-voltage analog Inputs.

The voltage on theses pins is divided by a selectable ratio and

available via an analog multiplexer.

AC SUFFIX (Pb-FREE)

98ASH70029A

The 33911 has three main operating modes: Normal (all functions

available), Sleep (V_DDoff, wake-up via LIN, wake-up inputs (L1,L2),

cyclic sense, and forced wake-up), and Stop (V_DDon with limited

current capability, wake-up via CS, LIN bus, wake-up inputs, cyclic

sense, forced wake-up, and external reset).

32-PIN LQFP

ORDERING INFORMATION

Temperature

The 33911 is compatible with LIN Protocol Specification 2.0.

Device

Package

Range (T )

Features

• One 60mA high side switch and two 160mA low side switches

• Two high-voltage analog/logic inputs

MC33911BAC/R2

MC34911BAC/R2

-40°C to 125°C

-40°C to 85°C

32-LQFP

• Full-duplex SPI Interface at frequencies up to 4MHz

• LIN transceiver capable of up to 100kbps with wave shaping

• Configurable window watchdog

• 5.0V low drop regulator with fault detection and low-voltage reset (LVR) circuitry

• Pb-free packaging designated by suffix code AC

33911

V_BAT

VSENSE

VS1

VS2

HS1

VDD

PWMIN

ADOUT0

LS1

LS2

MOSI

MCU

MISO

SCLK

WDCONF

LIN

RXD

TXD

IRQ

LIN INTERFACE

RST

Figure 1. 33911 Simplified Application Diagram

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

12 3 4 5 6 7...45

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