STP1612PW05QTR STMicroelectronics, STP1612PW05QTR Datasheet
STP1612PW05QTR
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STP1612PW05QTR Summary of contents
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... Video display LED panels ■ RGB backlighting ■ Special lighting Table 1. Device summary Order code STP1612PW05QTR STP1612PW05MTR STP1612PW05TTR STP1612PW05XTTR August 2009 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. 16-channel LED driver with 16-bit PWM, ...
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Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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STP1612PW05 16 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Block diagram 1 Block diagram Figure 1. Block diagram SDI CLK Serial interface LE SDO CTRL command CTRL logic TSD Shift register dual size mode (16 or 256 bit) 4/32 GND VDD UVLO & POR 16-bit Configuration and Register PWM ...
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STP1612PW05 2 Summary description Table 2. Typical current accuracy Output voltage ≥ 1.0 ≥ 0,2 Table 3. Typical current accuracy at 3.3 V Output voltage ≥ 1.0 ≥ 0,3 Current accuracy Output current Between bits Between ICs ...
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Summary description 2.1 Pin connection and description Figure 2. Pin connection Note: The exposed pad is electrically not connected Table 4. Pin description Pin n° 5-20 OUT 0- 6/32 Symbol GND Ground ...
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STP1612PW05 3 Electrical ratings 3.1 Absolute maximum ratings Stressing the device above the rating listed in the the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the ...
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Electrical ratings 3.3 Recommended operating conditions Table 7. Recommended operating conditions at 25 °C, V Symbol Parameter V Supply voltage DD V Output voltage O I Output current O I Output current OH I Output current OL V Input voltage ...
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STP1612PW05 4 Electrical characteristics °C (Unless otherwise specified) A Table 8. Electrical characteristics (V Symbol Characteristics V Supply voltage DD Maximum output V O voltage I OUT I Output current Input voltage V IH ...
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Electrical characteristics Table 9. Electrical characteristics (V Symbol Characteristics V Supply voltage DD Sustaining voltage OUT Ports I OUT I Output current Input voltage “H” level IH Input voltage “L” level V IL ...
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STP1612PW05 Figure 3. Test circuit for electrical characteristics =GND IL Table 10. Switching characteristics (V Symbol Characteristics t SU0 t Setup time SU1 t SU2 t H0 Hold time PD0 Propagation t ...
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Electrical characteristics Table 11. Switching characteristics (V Symbol Characteristics t SU0 t Setup time SU1 t SU2 t H0 Hold time PD0 Propagation delay t PD1 time t PD2 t DL1 Stagger delay t DL2 time t ...
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STP1612PW05 5 Timing waveform Figure 5. Timing waveform PWCLK PWCLK PWCLK Doc ID 15819 Rev 2 Timing waveform 13/32 ...
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Principle of operation 6 Principle of operation Table 12. Control command Command name Data latch Global latch Read configuration Enable “error detection” Read “error status code” Write configuration Reset to 16-bit shift register length 14/32 Signals combination Number of CLK ...
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STP1612PW05 Figure 6. Timing diagram Doc ID 15819 Rev 2 Principle of operation 15/32 ...
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Definition of configuration register 7 Definition of configuration register MSB MSB Table 13. Configuration register Bit Attribute F Read/Write E Read D Read/Write C Read/Write B A Read/Write 9~2 Read/Write 1 ...
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STP1612PW05 8 Grey scales data loading The STP1612PW05 is able to manage a gray-scale depth bits for each output, exploiting an e-PWM algorithm. The bit D of the configuration register is used to select the grey-scale ...
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Setting the PWM gray scale counter 9 Setting the PWM gray scale counter STP1612PW05 provides a 12-bit or 16-bit PWM color depth. Each serial data input will be implemented according to the e-PWM algorithm. 9.1 PWM data synchronization STP1612PW05 defines ...
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STP1612PW05 9.2 Synchronization for PWM counting The data synchronization between the incoming data flow and the output channels is managed through the bit A within the configuration register. If the bit A is set to “0” the device performs itself ...
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Error detection conditions 10 Error detection conditions The STP1612PW05 can detect open channels (OD) and LED short-circuits (SD). The detection circuitry performs open- and short-circuit detection simultaneously and the image quality will not be impacted since the test duration is ...
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STP1612PW05 11 Setting output current The output current ( calculated from the equation 1. R-EXT Whereas R is the resistance of the external resistor connected to R-EXT terminal ext and V is its ...
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Current gain adjustment 12 Current gain adjustment Figure 13. Gain vs DA6 - DA0 The bit 9 to bit 2 of the configuration register set the gain of output current, i.e., G. Being 8- bit in total, ranging from 8’b00000000 ...
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STP1612PW05 For example 1.25 (256x1.25-128)/ the D in binary form would be 1x2 +0x2 The bit 9 to bit 2 of the configuration register are set ...
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Package mechanical data 16 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available ...
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STP1612PW05 Table 17. TSSOP24 tape and reel Dim Figure 15. TSSOP24 reel dimensions mm. Min. Typ Max. - 330 12.8 - 13.2 20 22.4 6.8 - ...
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Package mechanical data Table 18. SO-24 mechanical data Dim Figure 16. SO-24 package dimensions 26/32 mm. Min. Typ Max. 2.65 0.1 0.2 2.45 0.35 0.49 0.23 ...
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STP1612PW05 Table 19. SO-24 tape and reel Dim Figure 17. SO-24 reel dimensions mm. Min. Typ Max. - 330 12.8 - 13.2 20 30.4 10.8 - ...
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Package mechanical data Table 20. TSSOP24 exposed-pad Dim Figure 18. TSSOP24 package dimensions 28/32 mm Min. Typ. Max. 1.2 0.15 0.8 1 1.05 0.19 0.30 0.09 0.20 ...
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STP1612PW05 DIM QFN24 (4x4) MECHANICAL DATA mm. MIN. TYP MAX. 1.00 0.00 0.05 0.18 0.30 3.9 4.1 1.95 2.25 3.9 4.1 1.95 2.25 0.50 0.40 0.60 Doc ID 15819 Rev 2 ...
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Package mechanical data DIM 30/32 Tape & Reel QFNxx/DFNxx (4x4) MECHANICAL DATA mm. MIN. TYP MAX. 330 12.8 13.2 20.2 99 101 14.4 4.35 4.35 1 Doc ID ...
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STP1612PW05 17 Revision history Table 21. Document revision history Date 17-Jun-2009 10-Aug-2009 Revision 1 Initial release. 2 Updated Section 9.2 on page 19 Doc ID 15819 Rev 2 Revision history Changes and Table 12 on page 14 31/32 ...
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