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LM2759SDEV Datasheet(PDF) 11 Page - Texas Instruments

Part # LM2759SDEV
Description  1A Switched Capacitor Flash LED Driver with I2C Compatible Interface
PDF  22 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM2759SDEV Datasheet(HTML) 11 Page - Texas Instruments

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background image
1
bit7
1
bit6
1
bit5
1
bit4
1
bit3
C2
bit2
C1
bit1
C0
bit0
MSB
LSB
Flash Timeout Duration
Register Address: 0xC0
1
bit7
1
bit6
1
bit5
1
bit4
B3
bit3
B2
bit2
B1
bit1
B0
bit0
MSB
LSB
Flash Current
Register Address: 0xB0
1
bit7
1
bit6
1
bit5
1
bit4
A3
bit3
A2
bit2
A1
bit1
A0
bit0
MSB
LSB
Torch Current
Register Address: 0xA0
1
bit7
1
bit6
1
bit5
1
bit4
G4
bit3
G2
bit2
G1
bit1
G0
bit0
MSB
LSB
General Purpose
Register Address: 0x10
ADR6
bit7
ADR5
bit6
ADR4
bit5
ADR3
bit4
ADR2
bit3
ADR1
bit2
ADR0
bit1
R/W
bit0
MSB
LSB
0
1
1
0
1
1
0
I
2
C SLAVE address (chip address)
1
0
1
0
1
1
0
start
msb Chip Address lsb
w
ack
msb Register Add lsb
ack
msb
DATA
lsb
ack
stop
ack from slave
ack from slave
ack from slave
SCL
SDA
start
Id = 53h
w
ack
addr = 10h
ack
ack
GDWD K¶03 (Flash)
stop
LM2759
www.ti.com
SNVS577D – JUNE 2008 – REVISED MAY 2013
w = write (SDA = "0")
r = read (SDA = "1")
ack = acknowledge (SDA pulled down by either master or slave)
id = chip address, 53h for LM2759
Figure 17. Write Cycle
I2C COMPATIBLE CHIP ADDRESS
The chip address for LM2759 is 1010011, or 53h.
INTERNAL REGISTERS
Power On Value
Register
Internal Hex Address
(lowest 4 bits)
General Purpose Register
10h
0000
Flash Current Register
B0h
1010
Torch Current Register
A0h
0111
Copyright © 2008–2013, Texas Instruments Incorporated
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11
Product Folder Links: LM2759



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