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參數(shù)資料
型號(hào)： TPS60251RTWR
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)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(yè)數(shù)： 7/26頁(yè)
文件大?。?/td> 783K
代理商： TPS60251RTWR
www.ti.com
SLVS767C – APRIL 2007 – REVISED NOVEMBER 2007
Enable Control Register (Address: 0x00h)
ENABLE
B7
B6
B5
B4
B3
B2
B1
B0
BIT NAME
X
ENold
ENmain
ENsub2
ENsub1
ENaux
DM5H
DM5L
Bit 6
ENold (Enable Open Lamp Detection)
1: Open Lamp Detection Enabled
0: Open Lamp Detection Disabled
Bit 5
ENmain
1: Enable Main Display LEDs (DM1-DM4)
0: Disable Main Display LEDs
Bit 4
ENsub2
1: Enable Sub Display LED 2 (DS2)
0: Disable Sub Display LED 2
Bit 3
ENsub1
1: Enable Sub Display LED 1 (DS1)
0: Disable Sub Display LED 1
Bit 2
ENaux
1: Enable Aux Display LED (DM5)
0: Disable Aux Display LED
Bits 1,0
DM5H, DM5L
DM5H
DM5L
DM5 Mode and Shutdown Mode
(B1)
(B0)
0
Shutdown mode. All outputs disabled, all internal registers set to 0x00h
0
1
Enable the IC and Group DM5 as main display with maximum current of 25mA
1
0
Enable the IC and set as Aux output with maximum current of 80mA. Dimming
steps determined by Iaux0 and Iaux1 bits.
1
Shutdown mode. All outputs disabled, all internal registers set to 0x00h
Sub Display Current Control Register (Address: 0x01h)
SUB DISP
B7
B6
B5
B4
B3
B2
B1
B0
CURRENT
BIT NAME
X
Isub5
Isub4
Isub3
Isub2
Isub1
Isub0
Bits 5 - 0
Isub5 - Isub0 (total 64 steps)
6-Bit command (64 steps) to these bits sets the current for DS1 and DS2.
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
Main Display Current Control Register (Address: 0x02h)
MAIN DISP
B7
B6
B5
B4
B3
B2
B1
B0
CURRENT
BIT NAME
X
Imain5
Imain4
Imain3
Imain2
Imain1
Imain0
Bits 5 - 0
Imain5 - Imain0 (total 64 steps)
6-Bit command (64 steps) to these bits sets the current for DM1-DM4.
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
Copyright 2007, Texas Instruments Incorporated
15
Product Folder Link(s): TPS60251
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS60251RTWRG4 功能描述:LED照明驅(qū)動(dòng)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(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
TPS60251RTWT 功能描述:LED照明驅(qū)動(dòng)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(fēng)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(qū)動(dòng)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(fēng)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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