Datasheet > MC33937APEK

MC33937APEK

更新时间： 2024-09-26 12:02:27

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		晶体驱动器晶体管场效应晶体管光电二极管电动机控制信息通信管理 PC
页数	文件大小	规格书
48页	679K
描述
Three Phase Field Effect Transistor Pre-driver

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MC33937APEK 数据手册

Document Number: MC33937

Rev. 8.0, 8/2012

Freescale Semiconductor

Advance Information

Three Phase Field Effect

Transistor Pre-driver

33937A

The 33937A is a field effect transistor (FET) pre-drivers designed

for three phase motor control and similar applications. The integrated

circuit (IC) uses SMARTMOS technology.

THREE PHASE PRE-DRIVER

The IC contains three high side FET pre-drivers and three low side

FET pre-drivers. Three external bootstrap capacitors provide gate

charge to the high side FETs.

The IC interfaces to a MCU via six direct input control signals, an

SPI port for device setup and asynchronous reset, enable and

interrupt signals. Both 5.0 and 3.0 V logic level inputs are accepted

and 5.0 V logic level outputs are provided.

Features

• Fully specified from 8.0 to 40 V covers 12 and 24 V automotive

systems

• Extended operating range from 6.0 to 58 V covers 12 and 42 V

systems

EK SUFFIX (Pb-FREE)

98ASA99334D

54-PIN SOICW-EP

• Greater than 1.0 A gate drive capability with protection

• Protection against reverse charge injection from CGD and CGS of

external FETs

• Includes a charge pump to support full FET drive at low battery

voltages

ORDERING INFORMATION

Device

(Add R2 Suffix for

Tape and Reel)

Temperature

Package

Range (T )

MC33937APEK

-40 to 135 C

54 SOICW-EP

• Dead time is programmable via the SPI port

• Simultaneous output capability enabled via safe SPI command

See document MC33937 Rev. 6.0 for MCZ33937EK

specification.

SYS

33937

VPUMP

PUMP

VSUP

PA_HS_G

PB_HS_G

PC_HS_G

VPWR

VLS

VDD

VSS

PA_HS_S

PB_HS_S

PC_HS_S

PX_HS

PX_LS

PHASEX

PA_LS_G

PB_LS_G

PC_LS_G

MCU

DSP

SCLK

PX_LS_S

RST

INT

EN1

EN2

AMP_P

AMP_N

AMP_OUT

SEN

GND

Figure 1. 33937A 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...48

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