TLC59108F Datasheet, PDF (3/27 Pages) Texas Instruments – 8-BIT FM+ I2C BUS LED DRIVER

TLC59108F
www.ti.com .................................................................................................................................................................................................. SLDS162 – MARCH 2009
BLOCK DIAGRAM
A0 A1 A2 A3
OUT0 OUT1
OUT6 OUT7
SCL
SDA
INPUT FILTER
2
I C BUS CONTROL
NOTE:
All 8 FETs
are present
RESET
V_CC
GND
POWER-ON
RESET CONTROL
97 kHz
25 MHz
OSCILLATOR
PWM
REGISTER X
BRIGHTNESS
CONTROL
24.3 kHz
GRPFREQ
REGISTER
190 Hz
OUTPUT DRIVER AND
ERROR DETECTION
LED STATE
SELECT
REGISTER
GRPPWM
REGISTER
‘0’ – Permanently OFF
‘1’ – Permanently ON
NOTE: Only one PWM shown for clarity.
TERMINAL
NAME
PW/RGY
PIN NO.
N.C.
1
A0
2
A1
3
A2
4
A3
5
OUT0, OUT1,
OUT2, OUT3,
OUT4, OUT6,
OUT6, OUT7
6, 7,
9, 10,
11, 12,
14, 15
GND
8, 13, 16
RESET
17
SCL
18
SDA
19
V_CC
20
(1) I = input, O = output
TERMINAL FUNCTIONS
I/O ⁽¹⁾
I No internal connection
I Address input 0
I Address input 1
I Address input 2
I Address input 3
DESCRIPTION
O Constant current output 0 to 7, LED ON at low
– Ground
I Active-low reset input
I Serial clock input
I/O Serial data input/output
– Power supply
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TLC59108F
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