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參數資料
| 型號： | TPS60251RTWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 750 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封裝： | 4 X 4 MM, GREEN, PLASTIC, QFN-24 |
| 文件頁數： | 8/26頁 |
| 文件大小： | 783K |
| 代理商： | TPS60251RTWR |
www.ti.com
SLVS767C – APRIL 2007 – REVISED NOVEMBER 2007
Aux Output Brightness and Operation Mode Control Register (Address: 0x03h)
AUX DISP
B7
B6
B5
B4
B3
B2
B1
B0
CURRENT
BIT NAME
Iaux5
Iaux4
Iaux3
Iaux2
Iaux1
Iaux0
Mode1
Mode0
Bits 7 - 2 (DM5 set to Main Display Mode)
Iaux5 - Iaux0 (total 64 steps)
6-Bit command (64 steps) to these bits sets the current for DM5.
For LED currents between 0 and 1.5mA, one step = 0.1mA increment
For LED currents between 1.5 and 25.5mA, one step = 0.5mA increment
Bits 7 - 2 (DM5 set to Aux Display Mode)
Iaux5
Iaux4
Iaux3
Iaux2
Iaux1
Iaux0
Aux Dimming
(B7)
(B6)
(B5)
(B4)
(B3)
(B2)
Step
X
0
20%
X
0
1
40%
X
1
0
70%
X
1
100%
Bits 1,0
Mode1, Mode0
Mode1 Mode0
TPS60251 Mode
(B1)
(B0)
0
Auto-Switchover Mode. The TPS60251 selects
1
×/1.5× mode as described in the Operating Principle
section.
0
1
× Mode. TPS60251 remains in 1× mode regardless
of the input voltage. LED current may not regulate at
lower input voltages when in this mode.
1
0
1.5
× Mode. TPS60251 remains in 1.5× mode
regardless of the input voltage.
1
Auto-Switchover Mode. The TPS60251 selects
1
×/1.5× mode as described in the Operating Principle
section.
16
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS60251
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS60251RTWRG4 | 功能描述:LED照明驅動器 High Eff Charge Pump 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS60251RTWT | 功能描述:LED照明驅動器 High Eff Charge Pump 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS60251RTWT | 制造商:Texas Instruments 功能描述:DC/DC Charge Pump Converter IC |
| TPS60251RTWTG4 | 功能描述:LED照明驅動器 High Eff Charge Pump 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS60252RTE | 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE |
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