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| 型号： | TPS60252RTETG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.65 A SWITCHED CAPACITOR CONVERTER, 750 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, QFN-16 |
| 文件页数： | 7/25页 |
| 文件大小： | 762K |
| 代理商： | TPS60252RTETG4 |
www.ti.com............................................................................................................................................................ SLVS769C – APRIL 2007 – REVISED APRIL 2008
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 1.5 mA, one step = 0.1mA increment
For LED currents between 1.5 and 25.5 mA, one step = 0.5 mA 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
TPS60250/2 Mode
(B1)
(B0)
0
Auto-Switchover Mode. The TPS60250/2 select
1
×/1.5× mode as described in the Operating Principle
section.
0
1
× Mode. TPS60250/2 remain 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. TPS60250/2 remain in 1.5× mode
regardless of the input voltage.
1
Auto-Switchover Mode. The TPS60250/2 select
1
×/1.5× mode as described in the Operating Principle
section.
Copyright 2007–2008, Texas Instruments Incorporated
15
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