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MC33198

更新时间： 2024-11-28 22:54:59

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		驱动器
页数	文件大小	规格书
11页	299K
描述
Automotive High Side TMOS Driver

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数据手册

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MC33198 数据手册

Freescale Semiconductor, Inc.

MOTOROLA

MC33198

SEMICONDUCTOR

HIGH SIDE

Automotive High Side

TMOS Driver

TMOS DRIVER

SILICON MONOLITHIC

INTEGRATED CIRCUIT

The MC33198D is a high side TMOS driver, dedicated for automotive appli-

cations. It is used in conjunction with an external power MOSFET for high

side drive applications. The device can drive and protect a large variety of

MOSFET. The device has CMOS compatible input control, charge pump to

drive the MOSFET gate, fault detection circuitry based on programmable

Vds monitoring to detect shorted load. It also includes a programmable timer

function to eliminate undesired switch off due to in rush currents and a status

pin which reports the output status in both on and off MOSFET state.

The device uses few external components and offers an economical solution

to large current high side switch. It also has PWM capability up to 1kHz.

• Designed for Automotive High Side Driver Application

• Works with a Wide Variety of N-Channel Power MOSFETs

• PWM Capability

PIN ASSIGNMENT

TIMER

INPUT

STATUS

VCC

SRC

DRN

• On Board Charge Pump Capable of Charging 25nF in less than 1ms

with No External Components Required

• Drive Inductive Load with No External Clamp Circuitry Required

• CMOS Logic Compatible Input Control

• TMOS Over Current and Short Circuit Protection

GND

GATE

• Fault Output to Report an Over MOSFET Current Condition

• Output Status Available when MOSFET is On or Off

• Extended Temperature Range from -40°C to 125°C

• Protected Against Automotive Transients with few External

Components

ORDERING INFORMATION

Temperature

Range

Device

Package

• Over Voltage and Under Voltage Shutdown

- 40°C to+125°C

MC33198D

SO8

Block Diagram and Typical Application

VBAT

VCC

DRN

Rdrn

Over

Volt

Detect

Bias

Supply

Ref

Charge

Pump

80mA

POWER

TMOS

GATE

Under

100mA

Volt

Detect

10mA

Power

15V

INPUT

Rsrc

SRC

LOGIC

Vcc

MCU

Rpu

10mA

STATUS

LOAD

GND

TIMER

C_timer

Ó Motorola,Inc 1999

Rev 1.1

For More Information On This Product,

Go to: www.freescale.com

12 3 4 5 6 7...11

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