Datasheet > 33879

33879

更新时间： 2024-11-12 02:58:31

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		开关
页数	文件大小	规格书
24页	497K
描述
Configurable Octal Serial Switch with Open Load Detect Current Disable

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33879 数据手册

Document Number: MC33879

Rev 6.0, 6/2007

Freescale Semiconductor

Advance Information

Configurable Octal Serial Switch

with Open Load Detect Current

Disable

33879

33879A

The 33879 device is an 8-output hardware-configurable, high-side/

low-side switch with 16-bit serial input control. Two of the outputs may

be controlled directly via microprocessor for PWM applications. The

33879 incorporates SMARTMOS technology, with CMOS logic,

bipolar/MOS analog circuitry, and DMOS power MOSFETs. The 33879

controls various inductive, incandescent, or LED loads by directly

interfacing with a microcontroller. The circuit’s innovative monitoring

and protection features include very low standby currents, cascade

fault reporting, internal +45 V clamp voltage for low-side configuration,

-20 V high-side configuration, output-specific diagnostics, and

independent overtemperature protection.

HIGH SIDE/ LOW SIDE SWITCH

Features

DWB SUFFIX EXPOSED PAD

EK SUFFIX (PB-FREE)

98ARL10543D

• Designed to Operate 5.5 V < V_PWR< 26.5 V

• 16-Bit SPI for Control and Fault Reporting, 3.3 V/5.0 V

Compatible

32-PIN SOICW

• Outputs Are Current Limited (0.6 A to 1.2 A) to Drive

Incandescent Lamps

• Output Voltage Clamp, +45 V (Low Side) and -20 V (High Side)

During Inductive Switching

ORDERING INFORMATION

Temperature

Device

Package

Range (T )

• On/Off Control of Open Load Detect Current (LED Application)

• Internal Reverse Battery Protection on V_PWR

• Loss of Ground or Supply Will Not Energize Loads or Damage IC

• Maximum 5.0 µA I_PWRStandby Current at 13 V V_PWR

• R_DS(ON)of 0.75 Ω at 25°C Typical

MC33879EK/R2

MCZ33879EK/R2

MCZ33879AEK/R2

-40°C to 125°C

32 SOICW-EP

• Short Circuit Detect and Current Limit with Automatic Retry

• Independent Overtemperature Protection

• Pb-Free Packaging Designated by Suffix Code EK

PWR

BAT

+5.0 V

33879

VDD VPWR

MCU

SCLK

High-Side Drive

MOSI

SCLK

MISO

PWM1

PWM2

H-Bridge Configuration

IN5

IN6

BAT

Low-Side Drive

GND

Figure 1. 33879 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...24

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与33879相关器件

型号	品牌	获取价格	描述	数据表
33879_08	FREESCALE	获取价格	Configurable Octal Serial Switch with Open Load Detect Current Disable
33879_09	FREESCALE	获取价格	Configurable Octal Serial Switch with Open Load Detect Current Disable
33879_12	FREESCALE	获取价格	Configurable Octal Serial Switch with Open Load Detect Current Disable
33879A	FREESCALE	获取价格	Configurable Octal Serial Switch with Open Load Detect Current Disable
33880	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O
33880_08	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O
33880_09	FREESCALE	获取价格	Configurable Octal Serial Switch
33880_12	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O
33882	FREESCALE	获取价格	Six-Output Low-Side Switch with SPI and Parallel Input Control
33882_09	FREESCALE	获取价格	Six-Output Low-Side Switch

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