参数资料
型号: MC34921AER2
厂商: Freescale Semiconductor
文件页数: 3/36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)
TERMINAL CONNECTIONS
TERMINAL CONNECTIONS
GND
VCORE SELECT
SA/CDCMA
SA/CDCMB
SB/LSOUT1
SB/LSOUT2
B+
NC
NC
3.3V SWITCH
3.3 V
VCORE SUPPLY
VCORE
ADCMA
ADCMA
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
GND
ENC_FILTA
ENC_FILTB
AN3/ANALOGIN_B
AN2/ANALOGIN_A
AN1/ANALOGOUT_B
AN0/ANALOGOUT_A
GND
NC
5V
5 V SUPPLY
5 V SWITCH
5 V SELECT
BDCMA
BDCMA
GND
Figure 3. Terminal Function Description
Table 1. Terminal Function Description
A functional description of each terminal can be found in the Functional Terminal Description section beginning on page 18
Terminal
1, 16, 17, 24,
Terminal Name
GND
Formal Name
Ground
Ground.
Definition
32, 33, 41,
48, 49, 64
2
3
VCORE SELECT
SA/CDCMA
Core Voltage Output
Select
Unipolar Step A/
Core voltage regulator output voltage select.
Step Motor Output A or DC Motor C Output A.
DC Motor C Output A
4
SA/CDCMB
Unipolar Step A/
Step Motor Output A or DC Motor C Output B.
DC Motor C Output B
5
SB/LSOUT1
Unipolar Step B/
Step Motor Output B or Low-Side Output 1.
Low-Side 1
6
SB/LSOUT2
Unipolar Step B/
Step Motor Output B or Low-Side Output 2.
Low-Side 2
7, 20, 21, 28,
B+
Power Supply Input
Motor and regulator input voltage.
29, 62
8, 9, 25,
NC
No Connect
No internal connection to this terminal.
40, 57
34921
Analog Integrated Circuit Device Data
Freescale Semiconductor
3
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