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參數資料
| 型號： | TSC2301IZQZ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA120 |
| 封裝： | GREEN, PLASTIC, VFBGA-120 |
| 文件頁數： | 51/95頁 |
| 文件大小： | 1322K |
| 代理商： | TSC2301IZQZ |
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Start Clock
Turn off clock
Convert Temperature
Input 2
Store Temperature
Input 2 in TEMP2
Register
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)
Set /DAV = 0
OPERATION - BATTERY MEASUREMENT
TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
Temperature Input 2
Figure 63. Additional Temperature Measurement for Differential Temperature Reading
An added feature of the TSC2301 is the ability to monitor the battery voltage which may be much larger than the
supply voltage of the TSC2301. An example of this is shown in Figure 64, where a battery voltage ranging up to
6 V may be regulated by a dc/dc converter or low-dropout regulator to provide a lower supply voltage to the
TSC2301. The battery voltage can vary from 0.5 V to 6 V while maintaining the voltage to the TSC2301 at a level
of 2.7 V-3.6 V. The input voltage on VBAT1 is divided down by 4 so that a 6.0-V battery voltage is represented as
1.5 V to the A/D, while the input voltage on VBAT2 is divided by 2 so that 3.0-V battery voltage is represented as
1.5 V to the A/D. If the battery voltage is low enough, the 1.2 V internal reference can be used to decrease LSB
size, potentially improving accuracy. The battery voltage on VBAT1 must be below 4* VREF, and the voltage on
VBAT2 must be below 2* VREF. Due to constraints of the internal switches, the input to the A/D after the voltage
divider cannot be above 1.5 V or VREF, whichever is lower. In order to minimize the power consumption, the
divider is only ON during the sampling of the battery input.
55
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TSC2301IZQZR | 功能描述:觸摸屏轉換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| TSC2301PAG | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2301PAGR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2302 | 制造商:BB 制造商全稱:BB 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2302IRGZ | 功能描述:觸摸屏轉換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
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