参数资料
型号: MC34921AER2
厂商: Freescale Semiconductor
文件页数: 2/36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)
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
B+
C P 1
CP2
VBOOST
5 V SELECT
Charge Pump
Gate Voltage
Generator
5 V SWITCH
5 V SUPPLY
5V
5.0 V
Dual Mode
Regulator
Thermal
Shutdown
B +
B+
BPWM
3.3 V SWITCH
BDCMA
3.3 V
3.3 V Switching
Regulator
Oscillator
VCORE SUPPLY
VCORE
VCORE SELECT
ENC_FILTB
ENC_FILTA
AN3/ANALOGIN_B
AN2/ANALOGIN_A
AN1/ANALOGOUT_B
AN0/ANALOGOUT_A
V CORE
Linear
Regulator
I/V
Converter
A/D
Converter
and
Multiplexer
Motor Driver B
B +
Motor Driver A
BDCMB
APWM
ADCMA
ADCMB
S A/CDCMA
MISO
MOSI
SCLK
Serial I/O
Active Clamp
Step
Motor Driver
SA /CDCMB
S B/LSOUT1
SB /LSOUT2
CPWMA/CDCPWM
CE
GATEOUT
Gate Driver
SS DC Motor Driver
CPWMB
RST
Supervisor
Circuitry
DGND
GND
CDCMA/HSOUT1
CDCMB/HSOUT2
Figure 2. 34921 Simplified Internal Block Diagram
34921
Analog Integrated Circuit Device Data
2
Freescale Semiconductor
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