Datasheet > MC33879TEK

MC33879TEK

更新时间： 2024-01-18 18:37:05

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
26页	417K
描述
Switch, Congifurable 8 Channels, SOIC 32

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MC33879TEK 数据手册

Document Number: MC33879

Rev. 11.0, 7/2016

NXP Semiconductors

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 using the serial peripheral interface (SPI).

Two of the outputs may be controlled directly via a microcontroller for pulse-

width modulation (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

• Designed to operate 5.5 V < V_PWR< 27.5 V

EK SUFFIX (PB-FREE)

98ARL10543D

• 16-bit SPI for control and fault reporting, 3.3 V/5.0 V compatible

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

• Output voltage clamp, +45 V (low-side) and -20 V (high-side) during

inductive switching

32-PIN SOICW

• 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

Applications

• Solenoids

• Relays

• Actuators

• Stepper motors

• Brush DC motors

• Incandescent lamps

• Short-circuit detect and current limit with automatic retry

• Independent overtemperature protection

PWR

BAT

5.0 V

33879

VPWR

VDD

High-side Drive

MCU

MOSI

SCLK

H-Bridge Configuration

SCLK

BAT

MISO

PWM1

PWM2

IN5

Low-side Drive

IN6

GND

Figure 1. 33879 simplified application diagram

12 3 4 5 6 7...26

中文翻译

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与MC33879TEK相关器件

型号	品牌	获取价格	描述	数据表
MC33879TEK-R2	NXP	获取价格	BUF OR INV BASED PRPHL DRVR
MC33880	MOTOROLA	获取价格	CONFIGURABLE OCTAL SERIAL SWITCH WITH SERIAL PERIPHERAL INTERFACE
MC33880DW	FREESCALE	获取价格	Configurable Octal Serial Switch
MC33880DW/R2	MOTOROLA	获取价格	CONFIGURABLE OCTAL SERIAL SWITCH WITH SERIAL PERIPHERAL INTERFACE
MC33880DWB	FREESCALE	获取价格	Configurable Octal Serial Switch
MC33880DWB/R2	MOTOROLA	获取价格	CONFIGURABLE OCTAL SERIAL SWITCH WITH SERIAL PERIPHERAL INTERFACE
MC33880DWBR2	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O
MC33880DWR2	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O
MC33880DWR2	NXP	获取价格	BRUSH DC MOTOR CONTROLLER, 2A, PDSO28, MS-013AE, SOIC-28
MC33880PEG	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O

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