参数资料
型号: MC34708VM
厂商: Freescale Semiconductor
文件页数: 80/159页
文件大小: 0K
描述: IC POWER MANAGEMENT 206MAPBGA
标准包装: 160
应用: 通用
电源电压: 1.8 V ~ 4.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 206-LFBGA
供应商设备封装: 206-MAPBGA(13x13)
包装: 托盘
Functional Block Description
R1
BP
C1
20m
Battery
10u
10u
C2
Input/Battery
Monitoring
Figure 19. Input Configuration with Battery Current Sense
7.7.3.3
Channel 2 Application Supply
The application supply voltage is read at the BPSNS pin on channel 2. The battery voltage is first scaled as V BPSNS /2 to fit the
input range of the ADC.
Table 72. Application Supply Voltage Reading Coding
Conversion Code
ADRESULTx[9:0]
Voltage at Input ADC in V Voltage at BPSNS in V
7.7.3.4
1 111 111 111
1 000 010 101
0 000 000 000
Channel 3 Die Temperature
2.400
1.250
0.000
4.800
2.500
0.000
The relation between the read out code and temperature is given in Table 73 .
Table 73. Die Temperature Voltage Reading
Parameter
Die Temperature Read Out Code at 25 °C
Slope temperature change per LSB
Slope error
Min
-
-
-
Typ
680
+0.426
-
Max
-
-
5.0
Unit
Decimal
°C/LSB
%
The Actual Die Temperature is obtained as follows: Die Temp = 25 + 0.426 * (ADC Code - 680)
7.7.3.5
Channel 4 Reserved
Channel 4 is reserved.
7.7.3.6
Channel 5 VBUS Voltage
The VBUS voltage is measured at the VBUS pin on channel 5. The VBUS voltage is first scaled in order to fit the input range of
the ADC by multiplying by 0.4.
7.7.3.7
Channel 6 and 7 Reserved
Channel 6 is reserved.
MC34708
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
80
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