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| 型号： | MC34921AER2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 1/36页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DRVR PWM DC DUAL 64LQFP |
| 标准包装： | 1,500 |
| 应用： | DC 电机驱动器，步进电机驱动器，H 桥式 |
| 输出数： | 2 |
| 电流 - 输出： | ±4.5A |
| 电压 - 负载： | 0 V ~ 38 V |
| 电源电压： | 4.8 V ~ 5.2 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP 裸露焊盘 |
| 供应商设备封装： | 64-LQFP EP（10x10） |
| 包装： | 带卷 (TR) |
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Freescale Semiconductor
Technical Data
Configurable Motor Driver IC
with Power Supplies
The 34921 power IC integrates multiple motor drivers, multiple
power regulators, and most other analog functions a small consumer
motion-enabled product needs. The 34921’s circuitry is fully protected
with current limiting, short-circuit shutdown, over-temperature, over-
voltage, and under-voltage detection. Supervisory functions can be
MC34921
Rev 5.0, 07/2005
34921
H-BRIDGE MOTOR DRIVER
AND POWER SUPPLY
read and programmed through a 8-MHz Serial Interface.
A 5.0 V dual-mode (linear or switching) voltage regulator, 3.3 V
switching buck regulator, and a voltage-selectable (1.5 V, 1.8 V, 2.5 V)
linear regulator provide power management. Two H-Bridges and a
configurable motor driver are provided for controlling two dc motors
and one unipolar stepper motor.
The highly integrated 34921 brings together sensing,
communication, power management, system protection, and motor
control in one device.
AE SUFFIX (Pb-Free)
Features
? Two Functionally Identical Pulse-Width Modulated (PWM) DC Motor
Drivers
? One Switching, One Linear, and One Dual-Mode Regulator
? Dual Mode Switching/Linear 5.0 V Regulator
? Supervisory Functions (Power-ON Reset and Error Reset Circuitry)
98ARH98426A
64-LEAD LQFP-EP
ORDERING INFORMATION
? 8-Channel, 8-Bit Analog-to-Digital Converter (ADC)
? Charge Pump for High-Side MOSFET Drive
? Complete Support for
? Analog Quadrature Encoder
Device
MC34921AE/R2
Temperature
Range (T A )
0°C to 70°C
Package
64 LQFP-EP
? Pb-Free package is designated by suffix AE
5.0 V / 3.3 V
34921
B+
Serial
MISO
B+
High-Side
MCU
Ports
A/D
MOSI
SCLK
CE
AN0
GATEOUT
5.0 V
3.3 V
VCORE
MOSFET
ADCMA
Step
Motor
C
B+
A
A
B
B
Inputs
B+
AN3
SA/CDCMA
SB/LSOUT1
CPWMA
CPWMB
SB/LSOUT2
SA/CDCMB
APWM
ADCMB
BDCMA
BPWM
BDCMB
DC
Motor
A
DC
Motor
B
DGND
GND
Figure 1. 34921 Simplified Application Diagram
*This document contains information on a product under development.
Specifications and information herein are subject to change without notice.
? Freescale Semiconductor, Inc., 2005. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC34923 | 制造商:SPC Multicomp 功能描述:HEADER VERTICAL 3WAY 制造商:SPC Multicomp 功能描述:HEADER, VERTICAL, 3WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONNECTOR, RCPT, 3POS, 4.2MM; Series:2266(5566)RA; Pitch Spacing:4.2mm; Contact Termination:Through Hole Vertical; No. of Contacts:3; No. of Rows:1; Connector Mounting:PCB; Gender:Receptacle; Contact Material:Brass ;RoHS Compliant: Yes |
| MC34923DW | 功能描述:马达/运动/点火控制器和驱动器 Motor Driver RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| MC34923EG | 功能描述:马达/运动/点火控制器和驱动器 Full-Bridge PWM Motor Driver RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| MC34923EGR2 | 功能描述:马达/运动/点火控制器和驱动器 VERSION RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| MC34925 | 制造商:SPC Multicomp 功能描述:HEADER VERTICAL 4WAY 制造商:PRIVATE LABEL 功能描述:HEADER, VERTICAL, 4WAY, Product Range:MULTICOMP - MC34 Series, Contact Terminati 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONNECTOR, RCPT, 4POS, 4.2MM, Series:2266(5566)RA, Pitch Spacing:4.2mm, Contact Termination:Through Hole Vertical, No. of Contacts:4, No. of Rows:1, Connector Mounting:PCB, Gender:Receptacle, Contact Material:Brass , RoHS Compliant: Yes |
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