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AD7280ABSTZ

更新时间： 2024-02-28 00:25:36
品牌 Logo 应用领域
亚德诺 - ADI 电池监控
页数 文件大小 规格书
48页 869K
描述
Lithium Ion Battery Monitoring System Cell balancing interface

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AD7280ABSTZ 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QFP包装说明：LEAD FREE, MS-026BBC, LQFP-48
针数：48Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.82可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PQFP-G48
长度：9 mm信道数量：6
功能数量：1端子数量：48
最高工作温度：105 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LFQFP
封装等效代码：QFP48,.35SQ,20封装形状：SQUARE
封装形式：FLATPACK, LOW PROFILE, FINE PITCH电源：7.5/30 V
认证状态：Not Qualified座面最大高度：1.6 mm
子类别：Power Management Circuits最大供电电流 (Isup)：10 mA
最大供电电压 (Vsup)：30 V最小供电电压 (Vsup)：7.5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
宽度：9 mmBase Number Matches：1

AD7280ABSTZ 数据手册

 浏览型号AD7280ABSTZ的Datasheet PDF文件第40页浏览型号AD7280ABSTZ的Datasheet PDF文件第41页浏览型号AD7280ABSTZ的Datasheet PDF文件第42页浏览型号AD7280ABSTZ的Datasheet PDF文件第44页浏览型号AD7280ABSTZ的Datasheet PDF文件第45页浏览型号AD7280ABSTZ的Datasheet PDF文件第46页 
AD7280A  
Example 7: Self-Test Conversion on All Parts  
CNVST  
7. The  
control register should be programmed to  
CNVST  
command is 0x03A0340A (see Table 29, Write 5). This  
write prevents unintentional conversions from being  
gate the  
signal on all parts. The 32-bit write  
Example 7 shows a self-test conversion routine for all parts in a  
daisy chain.  
1. To select the self-test conversion, set Bits[D15:D14] of the  
control register to 1, and set Bits[D13:D12] of the control  
register to 0 on all parts. The 32-bit write command is  
0x01B81092 (see Table 29, Write 1).  
2. Set Bit D0 of the control register to 1 on all parts. This  
setting enables the daisy-chain register read operation on  
all parts. The 32-bit write command is 0x01C2B6E2 (see  
Table 29, Write 2).  
CNVST  
initiated by noise or glitches on the  
pin. This write  
also updates the on-chip output registers of all devices in  
the daisy chain.  
CS  
8. Apply a  
low pulse that frames 32 SCLKs to read back  
the desired voltage. This frame should simultaneously  
write the 32-bit command 0xF800030A, as described in  
the Serial Interface section (see Table 29, Write 6).  
3. The register address corresponding to the self-test  
conversion should be written to the read register of all  
parts (see Table 13 for register addresses). The 32-bit write  
command is 0x038617CA (see Table 29, Write 3).  
Example 8: Software Reset on All Parts  
Example 8 shows a software reset routine for all parts in a  
daisy chain.  
1. Set Bit D7 of the control register to 1 on all parts to place  
the AD7280A into software reset. The 32-bit write command  
is 0x01D2B412 (see Table 30, Write 1).  
2. Set Bit D7 of the control register to 0 on all parts to take the  
AD7280A out of software reset. The 32-bit write command  
is 0x01C2B6E2 (see Table 30, Write 2).  
CNVST  
4. Program the  
control register to 0x02 on all parts  
CNVST  
to allow conversions to be initiated using the  
pin.  
The 32-bit write command is 0x03A0546A (see Table 29,  
Write 4).  
CNVST  
5. Initiate conversions through the falling edge of  
6. Allow sufficient time for the self-test conversions to be  
completed plus tWAIT  
.
.
Table 29. Example 7: Self-Test Conversion on All AD7280A Devices  
32-Bit Write  
D2 to D0 Command  
Write Command  
Write 1  
Write 2  
Write 3  
Write 4  
Device Address  
00000  
00000  
00000  
00000  
Register Address Data  
Write All  
D11  
0
0
0
0
8-Bit CRC  
00010010  
11011100  
11111001  
10000101  
10000001  
01100001  
001101  
001110  
011100  
011101  
011101  
000000  
11000000  
1
1
1
1
1
0
010  
010  
010  
010  
010  
010  
0x01B810±2  
0x01C2B6E2  
0x038617CA  
0x03A0546A  
0x03A0340A  
0xF800030A  
00010101  
00110000  
00000010  
00000001  
00000000  
Write 5  
Write 6  
00000  
11111  
0
0
Table 30. Example 8: Software Reset for All AD7280A Devices  
32-Bit Write  
D2 to D0 Command  
Write Command  
Write 1  
Write 2  
Device Address  
00000  
00000  
Register Address Data  
Write All  
D11  
0
0
8-Bit CRC  
10000010  
11011100  
001110  
001110  
10010101  
00010101  
1
1
010  
010  
0x01D2B412  
0x01C2B6E2  
Rev. 0 | Page 43 of 48  
 
 
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