参数资料
型号: MC33970DWR2
厂商: Freescale Semiconductor
文件页数: 3/36页
文件大小: 0K
描述: IC GAUGE DRIVER SPI 24-SOIC
标准包装: 1
应用: 步进电机驱动器,2 相
输出数: 2
电流 - 输出: 100mA
电压 - 负载: 6.5 V ~ 26 V
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 带卷 (TR)
PIN CONNECTIONS
PIN CONNECTIONS
COS0+
COS0-
SIN0+
SIN0-
GND
GND
GND
GND
CS
SCLK
SO
SI
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
COS1+
COS1-
SIN1+
SIN1-
GND
GND
GND
GND
VPWR
RST
VDD
RTZ
Figure 3. 33970 Pin Connections
Table 1. 33970 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 10 .
Pin Number
1
2
Pin Name
COS0+
COS0 ?
Pin Function
Output
Formal Name
H-Bridge Outputs 0
Definition
Each pin is the output pin of a half bridge, designed to source or sink
current.
3
4
SIN0+
SIN0 ?
5 – 8,
GND
Ground
Ground
These pins serve as the ground for the source of the low-side output
17– 20
transistors as well as the logic portion of the device.
9
10
CS
SCLK
Input
Input
Chip Select
Serial Clock
This pin is connected to a chip select output of a LSI IC.
This pin is connected to the SCLK pin of the master device and acts as a
bit clock for the SPI port.
11
SO
Output
Serial Output
This pin is connected to the SPI Serial Data Input pin of the master
device, or to the SI pin of the next device in a daisy chain.
12
SI
Input
Serial Input
This pin is connected to the SPI Serial Data Output pin of the master
device from which it receives output command data.
13
RTZ
Output
Multiplexed Output
This is a multiplexed output pin, for the non-driven coil, during a Return to
Zero (RTZ) event.
14
15
16
21
22
VDD
RST
VPWR
SIN1 ?
SIN1+
Input
Input
Input
Output
Voltage
Reset
Battery Voltage
H-Bridge Outputs 1
This SPI and logic power supply input will work with 5.0 V supplies.
This input has an internal active pull-up.
Power supply.
Each of these pins are the output pin of a half bridge, designed to source
or sink current.
23
24
COS1 ?
COS1+
33970
Analog Integrated Circuit Device Data
Freescale Semiconductor
3
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