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RT4832AWSC Fiches technique(PDF) 12 Page - Richtek Technology Corporation

No de pièce RT4832AWSC
Description  Sub PMIC with Dual-Output Boost Converter
PDF  26 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  RICHTEK [Richtek Technology Corporation]
Site Internet  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT4832AWSC Fiches technique(HTML) 12 Page - Richtek Technology Corporation

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RT4832A
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
DS4832A-00
January
2017
12
Register Map
RT4832A
IC slave address = 7’b 0010001. I2C interface supports fast mode (bit rate up to 400kb/s).
Address
Address Name
BIT
R/W
Default
(Reset Value)
Description
0x01
Vendor Code
1:0
R
10
10 RICHTEK
0x02
BLED OVP
7:5
R/W
001
[000] = 18V, [001] = 22V, [010] = 25V, [011] = 29V,
[100] = 33V, [101 to 111] = 36V
BLED
Mapping Code
4
R/W
1
[0] = Exponential, [1] = Linear.
BLED
PWM Config.
3
R/W
0
[0] = Active High, [1] = Active Low.
Reserved
2:0
R/W
000
0x03
BL SW Frequency
7
R/W
0
[0] = 500kHz, [1] = 1MHz
BL Ramp Rate
6:3
R/W
0011
[0000] = 0
s, [0001] = 500s, [0010] = 750s,
[0011] = 1ms, [0100] = 2ms, [0101] = 5ms, [0110] =
10ms, [0111] = 20ms, [1000] = 50ms, [1001] =
100ms, [1010] = 250ms, [1011] = 800ms, [1100] =
1s, [1101] = 2s, [1110] = 4s, [1111] = 8s
Reserved
2:1
R/W
00
Bled11th
0
R/W
1
11th bit enable of bled brightness control
[0] = 10 bit brightness control, reg0x40[1] is MSB,
reg0x04[2] is ignore.
[1] = 11 bit brightness control, reg0x40[2] is MSB.
0x04
Reserved
7:3
R/W
00000
11th LSB
2
R/W
1
BLED Brightness
MSB
1:0
R/W
11
1024 steps, MSB
0x05
BLED Brightness
LSB
7:0
R/W
11111111
1024 steps, LSB
0x06
FLED LED1/2 Torch
Current
7:4
R/W
0011
[0000] = 25mA, [0001] = 50mA, [0010] = 75mA,
[0011] = 100mA, [0100] = 125mA, [0101] = 150mA,
[0110] = 175mA, [0111] = 200mA, [1000] = 225mA,
[1001] = 250mA, [1010] = 275mA, [1011] = 300mA,
[1100] = 325mA, [1101] = 350mA, [1110 to 1111] =
375mA
FLED LED1/2 Strobe
Current
3:0
R/W
1110
[0000] = 100mA, [0001] = 200mA, [0010] = 300mA,
[0011] = 400mA, [0100] = 500mA, [0101] = 600mA,
[0110] = 700mA, [0111] = 800mA, [1000] = 900mA,
[1001] = 1000mA, [1010] = 1100mA, [1011] =
1200mA, [1100] = 1300mA, [1101] = 1400mA,
[1110 to 1111] = 1500mA



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