TLC5958 Datasheet, PDF (7/28 Pages) Texas Instruments – TLC5958 48-Channel, 16-Bit ES-PWM LED Driver with Pre-Charge FET, LED Open Detection and Display Data Memory Support 32-Multiplexing

www.ti.com
TLC5958
SLVSCE7A – MAY 2014 – REVISED SEPTEMBER 2014
8.5 Electrical Characteristics
At V_CC= 3.0V to 5.5V and T_A= –40°C to 85°C, VLED=5.0V, Typical values are at V_CC= 3.3V, T_A= 25°C (unless otherwise
noted).
V_OH
V_OL
V_LOD0
V_LOD1
V_LOD2
V_LOD3
V_IREF
I_IN
I_CC0
I_CC1
PARAMETER
Output voltage
High
Low
LED open detection threshold
Reference voltage output
Input current (SIN, SCLK)
I_CC2
Supply current (Vcc)
I_CC3
I_CC4
ΔI_OLC0
Constant current error Channel-to-
(OUTx0-15, x=R/G/B) channel⁽¹⁾
ΔI_OLC1
Constant current error Device-to-
(OUTx0-15, x=R/G/B) device⁽²⁾
ΔI_OLC2
ΔI_OLC3
Line regulation⁽³⁾
Load regulation⁽⁴⁾
TEST CONDITIONS
I_OH = -2mA at SOUT
I_OL= 2 mA at SOUT
LODVTH = 00b
LODVTH = 01b
LODVTH = 10b
LODVTH = 11b
R_IREF = 6.2 kΩ　(1mA target), BC=0h, CCR/G/B=81h
V_IN = V_CC or GND
SIN/SCLK/LAT/GSCLK=GND, GSn=0000h, BC=0h,
CCR/G/B=81h, VOUTn = Vcc, RIREF=OPEN
SIN/SCLK/LAT/GSCK=GND, GSn=0000h, BC=4h,
CCR/G/B=137h,VOUTn=Vcc, RIREF=7.5kΩ (Io=10mA target)
SIN/SCLK/LAT=GND, GCLK=33MHz, T_SU5 = 200nS,
8+8 mode, GSn=FFFFh, BC=4h, CCR/G/B=137h,
VOUTn=Vcc-1V when channel on, VOUTn=Vcc
when channel off. RIREF=7.5kΩ (Io=10mA target)
SIN/SCLK/LAT=GND, GCLK=33MHz, TSU5=200nS,
8+8 mode, GSn=FFFFh, BC=7h, CCR/G/B=1F5h,
VOUTn=Vcc-2.5V when channel on, VOUTn=Vcc
when channel off. RIREF=7.5kΩ (Io=25mA target)
In power save mode
All OUTn=on, BC=0h, CCR/G/B=81h, VOUTn=VOUTfix=1V,
RIREF=6.2kΩ(1mA target), T_A = +25°C, at same color
grouped output of OUTR0-15, OUTG0-15 and OUTB0-15
All OUTn=on, BC=0h, CCR/G/B=81h, VOUTn=VOUTfix=1V,
RIREF=6.2kΩ(1mA target), T_A =+25°C, at same color
grouped output of OUTR0-15, OUTG0-15 and OUTB0-15
VCC=3.0 to 5.5V, All OUTn=on, BC=0h, CCR/G/B=81h,
VOUTn=VOUTfix=1V, RIREF=6.2kΩ　(1mA target)
All OUTn=on, BC=0h, CCR/G/B=81h, VOUTn=1 to 3V,
VOUTfix=1V, RIREF=6.2kΩ　(1mA target)
MIN
V_CC–0.4
0.06
0.2
0.34
0.44
1.19
–1
TYP
0.11
0.25
0.39
0.49
1.209
5.5
7
25
28
0.9
±1%
±1%
±1
±1
MAX
V_CC
0.4
0.16
0.3
0.44
0.54
1.228
1
7
9
31
33
1.5
±3%
±2%
±1.5
±1.5
UNIT
V
V
V
V
µA
mA
%/V
%/V
(1) The deviation of each outputs 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)
é
ù
D (%)
=
ê
ê
ê
(IOUTX0
+
IOUTXn
IOUTX1+ ¼ + IOUTX14
+
IOUTX15)
ú
- 1ú ´ 100
ú
êë
16
úû
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) :
D (%)
é (IOUTX0
ê
=ê
+
IOUTX1 +
16
¼
+
IOUTX15)
-
(Ideal
Output
Current)
ù
ú
ú ´ 100
ê
Ideal Output Current
ú
êë
úû
Ideal current is calculated by the following equation:
Ideal Output (mA) = Gain
´
é
êêë
V_IREF
R_IREF(W)
ù
úúû
´
CCR
(or
CCG,
CCB)/511d,
VIREF = 1.209V
(Typ),
Refer to Table 1 for the Gain at chosen BC.
spacer
(3)
L_Di₍n_%e _Vre₎gu₌la_{êëêé}t₍io_IOn_Uis_TXca_nlc_au_tla_Vt_Ce₍d_CIOb_=Uy_5Tt_.Xh₅e_nVf_)ao_tl_–l_Vow_C(ICin_Og_=Ue_T3q_.X0u_nVa_at₎io_t n_V._C(_CX=₌R_3.o₀r_VG_{)úúûù}o_´r
B, n=0~15):
100
5.5V – 3V
spacer
(4)
L_Do₍a_%d_Vr₎eg₌ul_{êéêë}a₍t_Iio_On_Ui_Ts_Xc_nal_acu_t l_Va_Ote_Ud_(ITOb_Xy_UnTth_=Xe_n3f_Vo_al_)tlo_Vw_–Oin_U(g_ITOe_XUq_nTua_=Xt_n1io_Van_)t.
V^(XO⁼U^RT^oX^rn^G=^o1^rV^B)ùú^,
úû
n=0~15):
´ ¹⁰⁰
3V – 1V
spacer
Copyright © 2014, Texas Instruments Incorporated
Submit Documentation Feedback
7