TLC59581 datasheet(8/28 Pages) TI1

Part #	TLC59581

Description	48-Channel, 16-Bit ES-PWM LED Driver

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Manufacturer	TI1 [Texas Instruments]

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( )

(

)

(

)

(IOUTXn at VCC

5.5V) –

IOUTXn at VCC

3.0V

100

%V

IOUTXn at VCC

3.0V

5.5V – 3V

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(

)

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IREF

V

Ideal Output mA

Gain

CCR or CCG, CCB /511d, VIREF

1.209V Typ ,

R

( )

Refer to Table 1 for the Gain at chosen BC.

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(IOUTX0

IOUTX1

IOUTX15)

(Ideal Output Current)

16

%

100

Ideal Output Current

+

+ ¼ +

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-

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=

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( )

IOUTXn

%

1

100

(IOUTX0

IOUTX1

IOUTX14

IOUTX15)

16

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=

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+ ¼ +

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Ideal current is calculated by the following equation:

TLC59581, TLC59582

SLVSCZ9A – OCTOBER 2015 – REVISED NOVEMBER 2015

www.ti.com

7.5 Electrical Characteristics

At VCC = 3.0 V to 5.5 V and TA = –40°C to 85°C, VLED = 5.0 V; Typical values are at VCC = 3.3 V, TA = 25°C (unless

otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High

IOH = –2 mA at SOUT

VCC–0.4

VCC

V

Output voltage

VOL

Low

IOL= 2 mA at SOUT

0.4

V

VLOD0

LODVTH = 00b

0.12

0.2

0.28

VLOD1

LODVTH = 01b

0.32

0.4

0.48

LED open detection threshold

V

VLOD2

LODVTH = 10b

0.52

0.6

0.68

VLOD3

LODVTH = 11b

0.72

0.8

0.88

VIREF

Reference voltage output

RIREF = 6.2 kΩ　(1 mA target), BC = 0h, CCR/G/B = 81h

1.19

1.209

1.228

V

IIN

Input current (SIN, SCLK)

VIN = VCC or GND

–1

1

µA

SIN/SCLK/LAT/GSCLK = GND, GSn = 0000h, BC = 0h,

9

11

ICC0

CCR/G/B = 100h, PCHG_EN = 0, VOUTn = VCC,

RIREF = OPEN

SIN/SCLK/LAT/GSCK = GND, GSn = 0000h, BC = 4h,

11

13

ICC1

CCR/G/B = 140h,VOUTn Floating, PCHG_EN = 0,

RIREF = 7.5 k

Ω (Io = 10 mA target)

SIN/SCLK/LAT = GND, GCLK = 33 MHz, TSU5 = 200 nS,

25

31

8+8 mode, GSn = FFFFh, BC = 4h, CCR/G/B = 140h,

Supply current (VCC)

mA

ICC2

VOUTn = 1 V when channel on, VOUTn = VCC

when channel off. PCHG_EN = 0

SIN/SCLK/LAT = GND, GCLK = 33 MHz, TSU5 = 200 nS,

28

33

8+8 mode, GSn = FFFFh, BC = 7h, CCR/G/B = 1FFh,

ICC3

VOUTn = 1 V when channel on, VOUTn = VCC

when channel off. PCHG_EN = 0

ICC4

In power save mode and PCHG_EN = 1

1

1.4

All OUTn = on, BC = 0h, CCR/G/B = 81h,

±1%

±3%

Constant current error

Channel-to-

VOUTn = VOUTfix = 1 V, RIREF = 6.2 k

Ω(1 mA target),

ΔIOLC0

channel(1)

(OUTx0-15, x = R/G/B)

TA = 25°C, at same color grouped output of OUTR0-15,

OUTG0-15 and OUTB0-15

All OUTn = on, BC = 0h, CCR/G/B = 81h,

±1%

±2%

Constant current error

Device-to-

VOUTn = VOUTfix = 1 V, RIREF = 6.2 k

Ω(1 mA target),

ΔIOLC1

device(2)

TA = 25°C, at same color grouped output of OUTR0-15,

(OUTx0-15, x = R/G/B)

OUTG0-15 and OUTB0-15

VCC = 3.0 to 5.5 V, All OUTn = on, BC = 0h, CCR/G/B = 81h,

ΔIOLC2

Line regulation(3)

±1

±1.5

%/V

VOUTn = VOUTfix = 1 V, RIREF = 6.2 k

Ω　(1 mA target)

(1)

The deviation of each output in same color group (OUTR0~15 or OUTG0~15 or OUTB0~15) from the average of same color group

constant current. The deviation is calculated by the formula. (X = R or G or B, n = 0~15)

spacer

(2)

The deviation of the average of constant-current in each color group from the ideal constant-current value. (X = R or G or B) :

spacer

(3)

Line regulation is calculated by the following equation. (X = R or G or B, n = 0~15):

spacer

8

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