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参数资料
| 型号： | TPS60251RTWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 750 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封装： | 4 X 4 MM, GREEN, PLASTIC, QFN-24 |
| 文件页数： | 7/26页 |
| 文件大小： | 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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