SLVSCE7A May   2014  – September 2014 TLC5958

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Typical Application Circuit (Multiple Daisy-Chained TLC5958s)
  5. 5 Revision History
  6. 6 Description (Continued)
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 Handling Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Parameter Measurement Information
    1. 9.1 Pin Equivalent Input and Output Schematic Diagrams
      1. 9.1.1 Test Circuits
    2. 9.2 Timing Diagrams
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Device Functional Modes
      1. 10.3.1  Brightness Control (BC) Function
      2. 10.3.2  Color Brightness Control (CC) Function
      3. 10.3.3  Select RIREF For a Given BC
      4. 10.3.4  Choosing BC/CC For a Different Application
        1. 10.3.4.1 Example 1: Red LED Current is 20mA, Green LED Needs 12mA, Blue LED needs 8mA
        2. 10.3.4.2 Example 2: Red LED Current is 5mA, Green LED Needs 2mA, Blue LED Needs 1mA.
      5. 10.3.5  LED Open Detection (LOD)
      6. 10.3.6  Power Save Mode (PSM)
      7. 10.3.7  Internal Pre-Charge FET
      8. 10.3.8  Thermal Shutdown (TSD)
      9. 10.3.9  IREF Resistor Short Protection (ISP)
      10. 10.3.10 Noise Reduction
  11. 11Application and Implementation
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  14. 14Device and Documentation Support
    1. 14.1 Trademarks
    2. 14.2 Electrostatic Discharge Caution
    3. 14.3 Glossary
  15. 15Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8 Specifications

8.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted) (1)
PARAMETER MIN MAX UNIT
VCC(2) Supply voltage VCC 0.3 6.0 V
IOUT Output current (dc) OUTx0 to OUTx15, x=R, G, B 30 mA
VIN(2) Input voltage SIN, SCLK, LAT, GCLK, IREF –0.3 VCC+0.3 V
VOUT(2) Output voltage SOUT –0.3 VCC+0.3 V
OUTx0 to OUTx15, x=R, G, B –0.3 11
TJ(MAX) Operating junction temperature 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to device ground terminal.

8.2 Handling Ratings

MIN MAX UNIT
Tstg Storage temperature range –55 150 °C
V(ESD)(1) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(2) 0 4000 V
Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(3) 0 1000
(1) Electrostatic discharge (ESD) measures device sensitivity and immunity to damage caused by assembly line electrostatic discharges into the device.
(2) Level listed above is the passing level per ANSI, ESDA, and JEDEC JS-001. JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(3) Level listed above is the passing level per EIA-JEDEC JESD22-C101. JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

8.3 Recommended Operating Conditions

At TA = –40°C to +85°C, unless otherwise noted
MIN NOM MAX UNIT
DC CHARACTERISTICS, VCC=3V to 5.5V
VCC Supply voltage 3 5.5 V
VO Voltage applied to output OUTx0 to OUTx15, x=R, G, B 10 V
VIH High level input voltage SIN,SCLK,LAT,GCLK 0.7×VCC VCC V
VIL Low level input voltage SIN,SCLK,LAT,GCLK GND 0.3×VCC V
IOH High level output current SOUT -2 mA
IOL Low level output current SOUT 2 mA
IOLC Constant output sink current OUTx0 to OUTx15, x=R, G, B,
3V ≤ VCC ≤ 3.6V		 20 mA
OUTx0 to OUTx15, x=R, G, B,
4V < VCC ≤ 5.5V		 25
TA Operating free air temperature –40 85 °C
TJ Operation junction temperature -40 125 °C
AC CHARACTERISTICS, VCC=3V to 5.5V(1)
FCLK(SCLK) Data shift clock frequency SCLK 25 MHz
FCLK(GCLK) Grayscale control clock frequency GCLK 33 MHz
tWH0 Pulse duration SCLK 10 ns
tWL0 SCLK 10
tWH1 GCLK 15
tWL1 GCLK 10
tSU0 Setup time SIN - SCLK↑ 2 ns
tSU1 LAT↑ - SCLK↑ 3
tSU2 LAT↓ - SCLK↑ 5
LAT↓ - SCLK↑, for READSID, READFC1, and READFC2 50
tSU3 LAT↓ (Vsync command) - GCLK↑ 2500
tSU4 The last LAT↓ for no all ‘0’ data latching to resume normal mode – GCLK↑, PSAVE_ENA bit = ‘1b’ 50 µS
tSU5 The last GCLK↑ - the 1st GCLK↑ of next line 20 ns
tH0 Hold time SCLK↑ - SIN 2 ns
tH1 SCLK↑ - LAT↑ 2
tH2 SCLK↑ - LAT↓ 13
(1) Specified by design

8.4 Thermal Information

THERMAL METRIC(1) TLC5958 UNIT
RTQ
56 PINS
RθJA Junction-to-ambient thermal resistance 27.4 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 13.6
RθJB Junction-to-board thermal resistance 5.5
ψJT Junction-to-top characterization parameter 0.2
ψJB Junction-to-board characterization parameter 5.5
RθJC(bot) Junction-to-case (bottom) thermal resistance 0.8
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

8.5 Electrical Characteristics

At VCC= 3.0V to 5.5V and TA= –40°C to 85°C, VLED=5.0V, Typical values are at VCC= 3.3V, TA= 25°C (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VOH Output voltage High IOH = -2mA at SOUT VCC–0.4 VCC V
VOL Low IOL= 2 mA at SOUT 0.4 V
VLOD0 LED open detection threshold LODVTH = 00b 0.06 0.11 0.16 V
VLOD1 LODVTH = 01b 0.2 0.25 0.3
VLOD2 LODVTH = 10b 0.34 0.39 0.44
VLOD3 LODVTH = 11b 0.44 0.49 0.54
VIREF Reference voltage output RIREF = 6.2 kΩ　(1mA 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
ICC0 Supply current (Vcc) SIN/SCLK/LAT/GSCLK=GND, GSn=0000h, BC=0h,
CCR/G/B=81h, VOUTn = Vcc, RIREF=OPEN		 5.5 7 mA
ICC1 SIN/SCLK/LAT/GSCK=GND, GSn=0000h, BC=4h,
CCR/G/B=137h,VOUTn=Vcc, RIREF=7.5kΩ (Io=10mA target)		 7 9
ICC2 SIN/SCLK/LAT=GND, GCLK=33MHz, TSU5 = 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)		 25 31
ICC3 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)		 28 33
ICC4 In power save mode 0.9 1.5
ΔIOLC0 Constant current error
(OUTx0-15, x=R/G/B)		 Channel-to-channel(1) All OUTn=on, BC=0h, CCR/G/B=81h, VOUTn=VOUTfix=1V,
RIREF=6.2kΩ(1mA target), TA = +25°C, at same color
grouped output of OUTR0-15, OUTG0-15 and OUTB0-15		 ±1% ±3%
ΔIOLC1 Constant current error
(OUTx0-15, x=R/G/B)		 Device-to-device(2) All OUTn=on, BC=0h, CCR/G/B=81h, VOUTn=VOUTfix=1V,
RIREF=6.2kΩ(1mA target), TA =+25°C, at same color
grouped output of OUTR0-15, OUTG0-15 and OUTB0-15		 ±1% ±2%
ΔIOLC2 Line regulation(3) VCC=3.0 to 5.5V, All OUTn=on, BC=0h, CCR/G/B=81h,
VOUTn=VOUTfix=1V, RIREF=6.2kΩ　(1mA target)		 ±1 ±1.5 %/V
ΔIOLC3 Load regulation(4) All OUTn=on, BC=0h, CCR/G/B=81h, VOUTn=1 to 3V,
VOUTfix=1V, RIREF=6.2kΩ　(1mA target)		 ±1 ±1.5 %/V
ΔIOLC4 Constant current error (OUTx0-15, x=R/G/B) Channel-to-channel(1) All OUTn=on, BC=7h, CCR/G/B=1F7h, VOUTn=VOUTfix=1V,
RIREF=7.5kΩ(25mA target), TA =+25°C, at same color
grouped output of OUTR0-15, OUTG0-15 & OUTB0-15		 ±1% ±3%
ΔIOLC5 Constant current error (OUTx0-15, x=R/G/B) Device-to-device(2) All OUTn=on, BC=7h, CCR/G/B=1F7h, VOUTn=VOUTfix=1V,
RIREF=7.5kΩ(25mA target), TA = +25°C, at same color
grouped output of OUTR0-15, OUTG0-15 and OUTB0-15		 ±1% ±2%
ΔIOLC6 Line regulation(3) VCC=3.0 to 5.5V, All OUTn=on, BC=7h, CCR/G/B=1F7h,
VOUTn=VOUTfix=1V, RIREF=7.5Kohm　(25mA target)		 ±1 ±1.5 %/V
ΔIOLC7 Load regulation(4) All OUTn=on, BC=7h, CCR/G/B=1F7h, VOUTn=1 to 3V,
VOUTfix=1V, RIREF=7.5kΩ　(25mA target)		 ±1 ±1.5 %/V
TTSD Thermal shutdown threshold(5) 160 170 180 °C
THYS Thermal shutdown hysterisis 10 °C
VISP(in) IREF resistor short protection threshold 0.135 0.19 V
VISP(out) IREF resistor short-protection release threshold 0.325 0.375 V
RPDWN Pull-down resistor LAT 250 500 750 kΩ
RPUP Pull-up resistor GCLK 250 500 750 kΩ
Vknee(5) Knee voltage (OUTX 0~15), X=R/G/B All OUTn=on, BC=4h, CCR/G/B=137h, Riref=7.5kΩ. (Io=10mA target) 0.32 0.35 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) Q1_delta_slvsce7.gif

(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) :
Q2_delta2_slvsce7.gif Ideal current is calculated by the following equation: Q2a_ideal_slvsce7.gif

(3) Line regulation is calculated by the following equation. (X=R or G or B, n=0~15): Q3_delta3_slvsce7.gif

(4) Load regulation is calculated by the following equation. (X=R or G or B, n=0~15): Q4_ioutxn_slvsce7.gif

(5) Specified by design.

8.6 Typical Characteristics

VCC= 3.3V and TA= 25°C, unless otherwise noted.
C001_SLVSCE7.png
VCC = 5V CCR/G/B=1FFh, BC=0
Figure 1. Output Current vs Output Voltage
C003_SLVSCE7.png
VCC = 5V Temperature Changing CCR/G/B=1FFh, BC=0
Figure 3. Output Current vs Output Voltage
C005_SLVSCE7.png
VCC = 5V VOUTXn = 0.8V CCR/G/B = 1FFh, BC = 0
Figure 5. Constant-Current Error (CH-to-CH) vs Temperature
C007_SLVSCE7.png
VCC = 5V VOUTXn = 0.8V CCR/G/B = 1FFh
Figure 7. Brightness Control (BC) vs Output Current
C009_SLVSCE7.png
VOUTXn = 0.8V CCR/G/B = 137h, BC = 4, GCLK = 33MHz GSXn = FFFFh, RIREF = 7.5kΩ (10mA target)
Figure 9. Supply Current (Icc) vs Temperature
C002_SLVSCE7.png
VCC = 3.3V CCR/G/B=1FFh, BC=0
Figure 2. Output Current vs Output Voltage
C004_SLVSCE7.png
VOUTXn = 0.8V CCR/G/B=1FFh, BC=0
Figure 4. Constant Current Error (CH-to-CH) vs Output Current
C006_SLVSCE7.png
VCC = 5V VOUTXn = 0.8V BC = 7
Figure 6. Color Control (CC) vs Output Current
C008_SLVSCE7.png
VOUTXn = 0.8V GCLK = 33MHz, GSXn = FFFFh CCR/G/B=1FFh, BC=0
Figure 8. Supply Current (Icc) vs Output Current
C010_SLVSCE7.png
VOUTXn = 0.8V CCR/G/B = 137h, BC=4 GCLK=GND, GSXn=0h
Figure 10. Supply Current in Power Save Mode (Icc)
vs Temperature