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參數資料
| 型號： | PCZ33937AEK/R2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | AC MOTOR CONTROLLER, 0.8 A, PDSO54 |
| 封裝： | 4.60 X 6.30 MM, 0.65 MM PITCH, ROHS COMPLIANT, SOIC-54 |
| 文件頁數： | 1/47頁 |
| 文件大小： | 749K |
| 代理商： | PCZ33937AEK/R2 |
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Document Number: 33937
Rev. 4.0, 4/2009
Freescale Semiconductor
Advance Information
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
Freescale Semiconductor, Inc., 2008-2009. All rights reserved.
Three Phase Field Effect
Transistor Pre-driver
The 33937 and 33937A are Field Effect Transistor (FET) pre-
drivers designed for three phase motor control and similar
applications. The 33937A has been specifically enhanced to
improve performance when driving very high current loads. The
integrated circuit (IC) uses SMARTMOS
technology.
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 3.0V logic level inputs are accepted
and 5.0V logic level outputs are provided.
Features
Fully specified from 8.0 to 40V covers 12 and 24V automotive
systems
Extended operating range from 6.0 to 58V covers 12 and 42V
systems
Greater than 1.0A 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
Deadtime is programmable via the SPI port
Simultaneous output capability enabled via safe SPI command
Pb-free packaging designated by suffix code EK
Figure 1. 33937 Simplified Application Diagram
THREE-PHASE PRE-DRIVER
33937
EK SUFFIX (Pb-FREE)
98ASA99334D
54-PIN SOICW-EP
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MCZ33937EK/R2
-40
°C to 135°C
54 SOICW-EP
PCZ33937AEK/R2
VPUMP
PUMP
VSUP
VPWR
VLS
VDD
PX_HS
PX_LS
PHASEX
CS
SI
SCLK
SO
RST
INT
PA_HS_G
PB_HS_G
PC_HS_G
PA_HS_S
PB_HS_S
PC_HS_S
PA_LS_G
PB_LS_G
PC_LS_G
PX_LS_S
AMP_P
AMP_N
AMP_OUT
GND
33937
VSYS
MCU
OR
DSP
3
RSEN
EN1
VSS
EN2
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