参数资料
型号: TSC2301IZQZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA120
封装: GREEN, PLASTIC, VFBGA-120
文件页数: 54/95页
文件大小: 1322K
代理商: TSC2301IZQZR
www.ti.com
Start Clock
Turn off clock
Convert Battery Input
2
Store Battery Input 2
in BAT2 Register
Set /DAV = 0
Power up ADC
Power Down
Reference
Is Data
Averaging
Done
N
Y
Power Down ADC
DONE
Host Writes A/D
Converter Control
Register
Power Up Reference
(Including Delay)
OPERATION - AUXILIARY MEASUREMENT
TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
Battery Input 2
Figure 66. VBAT2 Measurement Process
The two auxiliary voltage inputs can be measured in similar fashion to the battery inputs, with no voltage dividers.
The input range of the auxiliary inputs is 0 V to VREF. Figure 67 and Figure 68 illustrate the process. Applications
for this feature may include external temperature sensing, ambient light monitoring for controlling an LCD
back-light, or sensing the current drawn from the battery.
58
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