HT16D31A/HT16D31BHT16D31A/HT16D31B8×9 Constant Current LED Driver8×9 Constant Current LED DriverAbsolute Maximum Ratings Supply Voltage ..VSS-0.3V to VSS+6.0V Input Voltage .. VSS-0.3V to VDD+0.3V Operating Temperature .. -40°C to 85°C Storage Temperature .. -50°C to 125°C Thermal Resistance (Rth) (16-pin QFN) ... 68°C/W (16-pin NSOP-EP) .. 31°C/W Max junction Temperature (Tj) .. 125°C Power Dissipation (PD) (Ta=25°C) (16-pin QFN) ..1.47W (Ta=85°C) (16-pin QFN) ...0.58W (Ta=85°C) (16-pin NSOP-EP) ...3.23W (Ta=85°C) (16-pin NSOP-EP) ...1.29W CAn Output Current (Single pin) .. 100mA Total Power Line Current (Ta=25°C) .. 1000mA Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum Ratings” may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. D.C. Characteristics VDD=5V, LED_VDD=5V, Ta=25°C Test ConditionsSymbolParameterMin. Typ. Max. UnitVDDConditions VDD Logic Supply Voltage — — 2.7 — 5.5 V LED_VDD LED Supply Voltage — — 4.5 — 5.5 V ISTB Standby Current 5V No load, Power down mode (System OSC off, LED display off) — 1.0 2.0 μA No load, LED on, IDD Operating Current 5V Constant current ratio=33mA — 4.5 7.0 mA Internal RC OSC, Output all on No load, LED On, ILED_VDD Operating Current 5V Constant current ratio=33mA — 2.1 3.5 mA Internal RC OSC, Output all on VIH Input High Voltage 5V DIO, CLK, SDA, SCL, CSB, SYNC 0.7VDD — 5.0 V VIL Input Low Voltage 5V DIO, CLK, SDA, SCL, CSB, SYNC 0 — 0.3VDD V IOH High Level Output Current 5V VOH=4.5V, SYNC, DIO -10 -13 — mA IOL Low Level Output Current 5V VOL=0.5V, SYNC, DIO, SDA 18 25 — mA ICA_OH CAn Source Current 5V Constant current ratio=33mA, VOH=4.5V 270 330 — mA ICA_OL CAn Constant Current 5V Constant current ratio=33mA, VDS=0.7V~2V — 33 — mA dI (1) CA1 Bit Current Skew 5V Constant current ratio=33mA, VDS=1V — ±3.0 ±5.0 % dI (2) CA2 Channel Current Skew 5V Constant current ratio=33mA, VDS=1V — ±3.0 ±5.0 % %/dVDS (3) Output Current vs. Output Voltage Regulation 5V Constant current ratio=33mA, VDS =0.7V~2.0V, VDD=5.0V — ±0.3 ±0.5 %/V %/dV (4) Output Current vs. Supply DD Voltage Regulation — Constant current ratio set=33mA, VDD=4.5V~5.5V, VDS=1.0V — — ±1.0 %/V Rev. 1.10 6 April 11, 2019 Rev. 1.10 7 April 11, 2019 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment Pin Description Approximate Internal Connections Absolute Maximum Ratings D.C. Characteristics A.C. Characteristics A.C. Characteristics – SPI 3-wire Serial Bus A.C. Characteristics – IC Serial Bus Timing Diagrams SPI 3-Wire Serial Bus Timing I2C Bus Timing Power on Reset Timing Functional Description Power-on Reset LED Driver System Oscillator Driver Outputs Address Pointer Open/Short Detection Function Over Temperature Protection Constant Current Output Load Supply Voltage – LED_V Display Data RAM – DDRAM Fade Data RAM LED On/Off Control RAM Data CommandDescription Command Table Software Reset RAM Page Address Set Picture Start Page Address Movie Start Page Address Movie Playing Length Set Movie Cycle Time Set Movie Page Delay Time Last Page Set Picture Scrolling Control Display Mode Configuration Mode Fade Function Control Global Fade Time Cascade Mode System Control Constant Current Ratio Brightness Control Mode Control Blanking Control Voltage Setting Read Open Detection Data Read Short Detection Data Read Register Status Read Movie Frame Status Read Movie Loop Status Read Function Flag SPI 3-wire Serial Interface Write Operation Read Operation I2C Serial Interface Data Validity START and STOP Conditions Byte Format Acknowledge Slave Addressing Write Operation Read Operation Power Supply Sequence Operation Flow Charts Application Circuits LED Matrix Circuit RGB LED Matrix Circuit Single LED IC Application Cascade Function Cascade Control Flow Package Information 16-pin NSOP-EP (150mil) Outline Dimensions SAW Type 16-pin QFN (3mm×3mm for FP0.25mm) Outline Dimensions