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參數(shù)資料
| 型號： | TPS61050YZG |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1.2-A HIGH POWER WHITE LED DRIVER 2-MHz SYNCHRONOUS BOOST CONVERTER WITH I2C COMPATIBLE INTERFACE |
| 中文描述： | 1.2 A的高功率白光LED I2C兼容接口的驅(qū)動2 - MHz的同步升壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 20/45頁 |
| 文件大?。?/td> | 1033K |
| 代理商： | TPS61050YZG |
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FLASH_SYNC or (SFT)
LED CONTROL
TIMER
STIM
I
FLASH
I
TORCH
RESET (SF)
FLASH_SYNC or (SFT)
LED CONTROL
TIMER
STIM
I
FLASH
I
TORCH
RESET (SFT)
FLASH_SYNC or (SFT)
LED CONTROL
TIMER
STIM
I
FLASH
I
TORCH
RESET (SFT)
MODE OF OPERATION: FLASH BLANKING (TPS61050)
The TPS61050 device also integrates a general purpose I/O pin (GPIO) that can be configured either as a
standard logic input/output or as a flash masking input (Tx-MASK). This blanking function turns the LED from
flash to torch light, thereby reducing almost instantaneously the peak current loading from the battery. The
Tx-MASK function has no influence on the safety timer duration.
I
FLASH
I
TORCH
LED Current
Free
Free
LED Turn-On
Command
I2C Bus
FLASH_SYNC
GPIO (Tx-MASK)
Free
LED Turn-Off
Command
TPS61050
TPS61052
SLUS525–MARCH 2007
DETAILED DESCRIPTION (continued)
The Flash strobe is edge sensitive (STT = 1): The LED strobe pulse is triggered by a rising edge
When FLASH_SYNC and START_FLASH/TIMER (SFT) are both low, the LED operation is set to the torch
current level without timeout.
The duration of the flash pulse is defined in the STIM register. The flash strobe is started by:
a rising edge of FLASH_SYNC signal.
a rising edge of START_FLASH/TIMER (SFT) bit.
Once running, the timer ignores any triggering signal, and only stops after a timeout (TO). The
START-FLASH/TIMER (SFT) bit is reset by the timeout (TO) signal.
Figure 35. Edge Sensitive Timer (Single Trigger Event)
Figure 36. Edge Sensitive Timer (Single Trigger Event)
Figure 37. Edge Sensitive Timer (Multiple Trigger
Events)
Figure 38. Synchronized Flash With Blanking Periods
20
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相關(guān)PDF資料 |
PDF描述 |
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| TPS61052DRC | 1.2-A HIGH POWER WHITE LED DRIVER 2-MHz SYNCHRONOUS BOOST CONVERTER WITH I2C COMPATIBLE INTERFACE |
| TPS61052YZG | 1.2-A HIGH POWER WHITE LED DRIVER 2-MHz SYNCHRONOUS BOOST CONVERTER WITH I2C COMPATIBLE INTERFACE |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS61050YZGR | 功能描述:LED照明驅(qū)動器 1.2A High Pwr White RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS61050YZGT | 功能描述:LED照明驅(qū)動器 1.2A High Pwr White RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS61052 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2-A HIGH POWER WHITE LED DRIVER 2-MHz SYNCHRONOUS BOOST CONVERTER WITH I2C COMPATIBLE INTERFACE |
| TPS61052DRC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2-A HIGH POWER WHITE LED DRIVER 2-MHz SYNCHRONOUS BOOST CONVERTER WITH I2C COMPATIBLE INTERFACE |
| TPS61052DRCR | 功能描述:LED照明驅(qū)動器 Synch Boost Conv. w/ I2C for Pwr LEDs RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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