Datasheet > 33879_09

33879_09

更新时间： 2024-11-12 06:25:35

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		开关
页数	文件大小	规格书
23页	832K
描述
Configurable Octal Serial Switch with Open Load Detect Current Disable

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33879_09 数据手册

Document Number: MC33879

Rev. 8.0, 10/2009

Freescale Semiconductor

Technical Data

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 a 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 over-temperature 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

• Outputs are current limited (0.6 A to 1.2 A) to drive incandescent

lamps

32-PIN SOICW

ORDERING INFORMATION

Temperature

• Output voltage clamp, +45 V (Low Side) and -20 V (High Side)

during inductive switching

Device

Package

• 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

Range (T )

MC33879EK/R2

MCZ33879EK/R2

MCZ33879AEK/R2

-40°C to 125°C

32 SOICW-EP

• Short-circuit detect and current limit with automatic retry

• Independent over-temperature 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

Freescale Semiconductor, Inc. reserves the right to change the detail specifications,

as may be required, to permit improvements in the design of its products.

12 3 4 5 6 7...23

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与33879_09相关器件

型号	品牌	获取价格	描述	数据表
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
33882_11	FREESCALE	获取价格	Six Output Low Side Switch with SPI and Parallel Input Control
33-8825-XX-YYYY	TALLYSMAN	获取价格	TW8825 GPS L1/L5 GLONASS G1 BeiDou B1 Galileo E1/E5a

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