Datasheet > 33880

33880

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		开关
页数	文件大小	规格书
25页	450K
描述
Configurable Octal Serial Switch with Serial Peripheral Interface I/O

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33880 数据手册

Document Number: MC33880

Rev. 5.0, 6/2007

Freescale Semiconductor

Advance Information

Configurable Octal Serial Switch

with Serial Peripheral Interface

I/O

33880

The 33880 device is an eight-output hardware-configurable high-

side/low-side switch with 8-bit serial input control. Two of the outputs

can be controlled directly via microcontroller for Pulse Width

Modulation (PWM) applications.

HIGH/LOW-SIDE SWITCH

The 33880 controls various inductive or incandescent loads by

directly interfacing with a microcontroller.

The circuit's innovative monitoring and protection features include

very low standby currents, “cascadable” fault reporting, internal 40 V

output clamping for low-side configurations, internal -20 V output

clamping for high-side configurations, output-specific diagnostics, and

independent shutdown of outputs.

DW SUFFIX

EG SUFFIX (PB-FREE)

98ASB42345B

DWB SUFFIX

EW SUFFIX (PB-FREE)

98ARH99137A

Features

28-PIN SOICW

32-PIN SOICW

• Designed to Operate 5.5 V < V_PWR< 24.5 V

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

• Outputs Are Current Limited (0.8 A to 2.0 A) to Drive

Incandescent Lamps

• Output Voltage Clamp Is +45 V (Typical) (Low-Side Drive) and -

20 V (Typical) (High-Side Drive) During Inductive Switching

• 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_PWRup to 95°C

• R_DS(ON)of 0.55 Ω at 25°C Typical

ORDERING INFORMATION

Temperature

Device

Package

28 SOICW

32 SOICW

Range (T )

MC33880DW/R2

MCZ33880EG/R2

MC33880DWB/R2

MCZ33880EW/R2

-40°C to 125°C

• Short Circuit Detect and Current Limit with Automatic Retry

• Independent Overtemperature Protection

• 32-Pin SOICW Has Pins 8, 9, 24, and 25 Grounded for Thermal

Performance

• Pb-Free Packaging Designated by Suffix Code EG and EW

PWR

33880

VPWR

5.0 V

High-Side

VDD

5.0 V

SCLK

MOT

H-Bridge

MCU

SPI I/O

IN5

IN6

GND

PWM

Low-Side

All Output Switches are High- or Low-Side Configurable

Figure 1. 33880 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...25

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