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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)： | 29/45頁 |
| 文件大?。?/td> | 1033K |
| 代理商： | TPS61050YZG |
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REGISTER2 (READ/WRITE) (TPS61052)
7
6
5
4
3
2
1
0
Memory location: 02
Reset state: 011X X000
RESERVED, DO NOT CARE
ADC OUTPUT , ADC[2:0] (READ ONLY)
CURRENT LIMIT
, ILIM[1:0] (WRITE ONLY)
(2) (3)
Refer to 3-Bit ADC section for more details.
ILIM[1:0] can only be writen once whilst the device
is in shutdown.
00: 1000 mA (typ)
01: 1500 mA (typ)
10: 1500 mA (typ)
11: 2000 mA (typ) (default)
LED failure flag is reset after readout of the flag.
0: Proper LED operation
1: LED failed (open or shorted)
0: Normal operation (default)
1: Thermal shutdown tripped
LED FAILURE , LF (READ ONLY)
OVERTEMP (READ ONLY)
Time-out flag is reset after readout of the flag.
MSB
LSB
REGISTER3 (READ/WRITE) (TPS6105X)
7
6
5
4
3
2
1
0
MSB
LSB
Memory location: 03
Reset state: 1101 0001
5-bit unsigned binary coding. STIM can only be
Written once before the device has entered the
flashlight mode.
Timer = STIM x32.8 ms, default is 557.6 ms
SAFETY TIMER, STIM[4:0]
GENERAL PURPOSE TIMER, DCTIM[2:0]
000: 0.8% x ITORCH
001: 1.6% x ITORCH
010: 2.3% x ITORCH
011: 3.1% x ITORCH
100: 3.9% x ITORCH
101: 4.7% x ITORCH
110: 6.3% x ITORCH (default)
111: 8.6% x ITORCH
If MODE_CTRL = 01 and DIM = 1, DCTIM sets the average LED current
3-bit unsigned binary coding
Timer = DCTIM x 1.02 s
If MODE_CTRL = 11, DCTIM sets the duration of the timer till TO bit is set
TPS61050
TPS61052
SLUS525–MARCH 2007
(1)
(2)
(3)
Setting bits 3, 4 and 5 (whilst MODE_CTRL[1:0]=01 or 10) starts an LED forward voltage measurement.
A write operation on bit 5 and 6 points to the ILIM[1:0] bits.
A read operation on bit 5 and 6 points to the LF and ADC[2] bits.
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| TPS61052DRC | 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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