參數(shù)資料
型號(hào)： TPS60251RTW
廠商： Texas Instruments, Inc.
英文描述： HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE
中文描述： 高效電荷泵7，帶有I2C接口個(gè)WLED
文件頁數(shù)： 16/28頁
文件大?。?/td> 515K
代理商： TPS60251RTW
www.ti.com
TPS60251
SLVS767–APRIL 2007
Enable Control Register (Address: 0x00h)
ENABLE
BIT NAME
B7
X
B6
B5
B4
B3
B2
B1
B0
ENold
ENmain
ENsub2
ENsub1
ENaux
DM5H
DM5L
Bit 6
ENold (Enable Open Lamp Detection)
1: Open Lamp Detection Enabled
0: Open Lamp Detection Disabled
ENmain
1: Enable Main Display LEDs (DM1-DM4)
0: Disable Main Display LEDs
ENsub2
1: Enable Sub Display LED 2 (DS2)
0: Disable Sub Display LED 2
ENsub1
1: Enable Sub Display LED 1 (DS1)
0: Disable Sub Display LED 1
ENaux
1: Enable Aux Display LED (DM5)
0: Disable Aux Display LED
DM5H, DM5L
DM5H
DM5L
(B1)
(B0)
0
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
1
Shutdown mode. All outputs disabled, all internal registers set to 0x00h
Bit 5
Bit 4
Bit 3
Bit 2
Bits 1,0
DM5 Mode and Shutdown Mode
Sub Display Current Control Register (Address: 0x01h)
SUB DISP
CURRENT
BIT NAME
B7
B6
B5
B4
B3
B2
B1
B0
X
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
CURRENT
BIT NAME
B7
B6
B5
B4
B3
B2
B1
B0
X
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
16
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS60251RTWR 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
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
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