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TPS61300YFFR Datasheet(PDF) 41 Page - Texas Instruments

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No. de Pieza. TPS61300YFFR
Descripción  TPS6130xx 1.5-A and 4.1-A Multiple LED Camera Flash Driver With I2C Compatible Interface
Descarga  70 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61300YFFR Datasheet(HTML) 41 Page - Texas Instruments

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TPS61300, TPS61301
TPS61305, TPS61305A, TPS61306
www.ti.com
SLVS957E – JUNE 2009 – REVISED APRIL 2016
Product Folder Links: TPS61300 TPS61301 TPS61305
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Copyright © 2009–2016, Texas Instruments Incorporated
8.5.4 REGISTER1 (TPS61305, TPS61305A, TPS61306)
Memory location: 0x01
Figure 64. REGISTER1 Fields
7
6
5
4
3
2
1
0
ENVM
MODE_CTRL[1:0]
DCLC13[1:0]
DCLC2[2:0]
R/W-0
R/W-0
R/W-0
R/W-0
R/W-1
R/W-0
R/W-0
R/W-1
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
(1)
When DCLC2[2:0] and DCLC13[1:0] are both reset, the device operates in voltage regulation mode. The output voltage is set according
to OV[3:0].
(2)
To ensure a proper transition into voltage mode operation, TI recommends disabling the LEDs (ENLED[2:0] bits are reset) before
clearing DCLC2[2:0] and DCLC13[1:0] bits.
Table 12. (For example, CONTROL_REVISION Register) Field Descriptions
Bit
Field
Type
Reset
Description
7
ENVM
R/W
0
Enable Voltage Mode bit.
0: Normal operation.
1: Forces the device into a constant voltage source.
In read mode, the ENVM bit is automatically updated to reflect the logic state of
the ENVM input pin.
6–5
MODE_CTRL[1:0]
R/W
00
Mode Control bits.
00: Device in shutdown mode.
01: Device operates in DC light mode.
10: Device operates in DC light and flash mode.
11: Device operates as constant voltage source.
To avoid device shutdown by DC light safety timeout, MODE_CTRL[1:0] bits
need to be refreshed within less than 11.2 s.
Writing to REGISTER1[6:5] automatically updates REGISTER2[6:5].
4–3
DCLC13[1:0]
R/W
01
DC Light Current Control bits (LED1/3).
00: 0 mA. LEDs are off, VOUT set according to OV[3:0].
(1) (2)
01: 55 mA
10: 85 mA
11: 110 mA
2–0
DCLC2[2:0]
R/W
001
DC Light Current Control bits (LED2).
000: 0 mA. LEDs are off, VOUT set according to OV[3:0].
(1) (2)
001: 55 mA
010: 85 mA
011: 110 mA
100: 140 mA
101: 165 mA
110: 220 mA,
350 mA current level can be activated simultaneously with Tx-MASK = 1.
111: 275 mA,
500 mA current level can be activated simultaneously with Tx-MASK = 1.


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