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參數(shù)資料
| 型號： | TPS65735RSNR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC32 |
| 封裝： | GREEN, PLASTIC, QFN-32 |
| 文件頁數(shù)： | 22/32頁 |
| 文件大?。?/td> | 1324K |
| 代理商： | TPS65735RSNR |
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SLVSAI6
– JUNE 2011
Figure 3-4. Bypassing Default TPS65735 Push Button SWITCH Timing
In a system where a different push-button SWITCH off timing is required, the SLEEP pin is used to control
the power off of the device. After system power up, the MCU must force the SLEEP pin to a high state
(VSLEEP > VIH(PMIC)). Once the SWITCH push-button is pressed to shut the system down, a timer in the
MCU should be active and counting the desired tOFF time of the device. Once this tOFF time is detected,
the MCU can assert the SLEEP signal to a logic low level (VSLEEP < VIL(PMIC)). It is on the falling edge of
the SLEEP signal where the system will be powered off (see Figure 3-5)
Figure 3-5. SWITCH Press and SLEEP Signal to Control System Power Off
Copyright
2011, Texas Instruments Incorporated
APPLICATION INFORMATION
29
Product Folder Link(s): TPS65735
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