Datasheet > MC34912G5AC

MC34912G5AC

更新时间： 2024-11-04 11:09:03

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		驱动器
页数	文件大小	规格书
94页	2615K
描述
LIN System Basis Chip with DC Motor Pre-driver and Current Sense

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MC34912G5AC 数据手册

MC33912G5AC / MC34912G5AC

Document Number: MC33912

Rev. 8.0, 3/2010

Freescale Semiconductor

Advance Information

LIN System Basis Chip with DC

Motor Pre-driver and Current

Sense

33912

The 33912G5/BAC 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 33912 has a 5.0 V, 50 mA/60 mA 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 and 2.1 compliant LIN transceiver has waveshaping circuitry that

can be disabled for higher data rates.

SYSTEM BASIS CHIP WITH LIN

2^NDGENERATION

Two 50 mA/60 mA high side switches and two 150 mA/160 mA low

side switches with output protection are available. All outputs can be

pulse-width modulated (PWM). Four 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 these

pins is divided by a selectable ratio and available via an analog

multiplexer.

AC SUFFIX (Pb-FREE)

98ASH70029A

32-PIN LQFP

The 33912 has three main operating modes: Normal (all functions

available), Sleep (V_DDoff, wake-up via LIN, wake-up inputs (L1-L4),

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).

ORDERING INFORMATION

Temperature

The 33912 is compatible with LIN Protocol Specification 2.0, 2.1, and

SAEJ2602-2.

Device

Package

Range (T )

MC33912G5AC/R2

MC34912G5AC/R2

MC33912BAC/R2

MC34912BAC/R2

-40°C to 125°C

-40°C to 85°C

-40°C to 125°C

-40°C to 85°C

Features

• Full-duplex SPI interface at frequencies up to 4.0 MHz

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

• Current sense module

32-LQFP

• Four high voltage analog/logic Inputs

• Configurable window watchdog

• Switched/protected 5.0 V output (used for Hall sensors)

* See Page 2 for Device Variations

• Two 50 mA high side and two 150 mA/160 mA low side protected switches

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

• Pb-free packaging designated by suffix code AC

33912

BAT

VSENSE

VS1

VS2

HS1

LIN INTERFACE

LIN

VDD

PWMIN

ADOUT0

ADOUT1

MOSI

MISO

SCLK

RXD

TXD

IRQ

LS1

LS2

ISENSEH

MCU

ISENSEL

HVDD

HS2

RST

WDCONF

Figure 1. 33912 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...94

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与MC34912G5AC相关器件

型号	品牌	获取价格	描述	数据表
MC34912G5ACR2	NXP	获取价格	System Basis Chip, LIN, 2x 5.0V/60&20mA LDOs, DC Motor Predriver, Isense, Enhanced EMC
MC34912G5R2	FREESCALE	获取价格	LIN System Basis Chip with DC Motor Pre-driver and Current Sense
MC34920	MOTOROLA	获取价格	2.8 з (Typ) Quad H-Bridge Motor Driver
MC34920EI	FREESCALE	获取价格	2.8 ohm (Typ) Quad H-Bridge Motor Driver
MC34920EIR2	FREESCALE	获取价格	2.8 ohm (Typ) Quad H-Bridge Motor Driver
MC34920FN	FREESCALE	获取价格	2.8 ohm (Typ) Quad H-Bridge Motor Driver
MC34920FNR2	FREESCALE	获取价格	2.8 ohm (Typ) Quad H-Bridge Motor Driver
MC34921	ETC	获取价格	Configurable Motor Driver IC with Power Supplies
MC34921AE	FREESCALE	获取价格	Configurable Motor Driver IC with Power Supplies
MC34921AER2	FREESCALE	获取价格	Configurable Motor Driver IC with Power Supplies

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