HV513 8-Channel Serial to Parallel Converter with High Voltage Push-Pull Outputs, POL, Hi-Z, and Short Circuit Detect Features General Description The HV513 is a low voltage serial to high voltage parallel HVCMOS technology converter with 8 high voltage push-pull outputs. This device has Operating output voltage of 250V been designed to drive small capacitve loads such as piezoelec- Low power level shifting from 5V to 250V tric transducers. It can also be used in any application requiring multiple high voltage outputs, with medium current source and Shift register speed 8MHz V =5V DD sink capabilities. 8 latch data outputs The device consists of an 8-bit shift register, 8 latches, and Output polarity and blanking control logic to perform the polarity select and blanking of the outputs. Data is shifted through the shift register on the low to CMOS compatible inputs high transition of the clock. A data output buffer is provided for Output short circuit detect cascading devices. Operation of the shift register is not affected by the LE, BL, POL, or the HI-Z control inputs. Transfer of data Output high-Z control from the shift register to the latch occurs when the LE is high. The data in the latch is stored when LE is low. A high-Z, HI-Z, pin is provided to set all the outputs in a high-Z state. Applications All outputs have short circuit protection that detects if the outputs Piezoelectric transducer driver have reached the required output state. If output does not track Weaving applications the required state, then the SHORT pin will be low. This output will pulse low during the output transistion period under normal Braille operation see SC Timing Diagram for details. Printers All outputs will have a break-before-make circuitry to reduce MEMs cross-over current during output state changes. Displays The POL, BL, LE, and HI-Z inputs have an internal pull up resistor. Application Diagram High Voltage Low Voltage Power Supply Power Supply Supertex HV513 HV D OUT1 IN CLK Low Voltage High Voltage LE FPGA Shift Register Level BL Latches Translators 8 POL Output / & Controller Push-Pull HiZ Output HV OUT8 Buffers D OUT Piezo SHORT Element D IN to the next HV513 for cascading the next A122104HV513 DC Electrical Characteristics (Over operating supply voltages unless otherwise noted) Srymbol Pnaramete Mpi Txy MsaUsnit Condition I Vs4upply current mfA =8MHz, LE=LOW DD DD CLK 0.1 All V =V IN DD I Quiescent V supply current mA DDQ DD 2V.0 All =0V IN I Vs0upply current 1A0 V =250V, f =300Hz, no load PP PP PP OUT I Quiescent Vs0upply current 1A0 V =240V, outputs static PPQ PP PP IH0igh-level logic input current 1AV =V IH IH DD -10 V =0V IL I Low-level logic input current A IL -V350 =0V, for inputs w/pull-up resistors IL H 140 V =200V, I =-20mA VOUT PP HVOUT V High-level output V OH DVata out-I1V =-0.1mA DD DOUT H 60 V =4.5V, I =20mA VOUT DD HVOUT V Low-level output V OL D0ata out 1I. =0.1mA DOUT DC Electrical Characteristics (Over operating supply voltages unless otherwise noted) Srymbol Pnaramete Mpi Txy MsaUsnit Condition fC0lock frequency 8 MHz CLK fO0utput switching frequency (SOA limited) 3z0 HC =50nF, V =200V OUT L PP tC2lock width high and low 6sn W tD5ata setup time before clock rises 1sn SU tD0ata hold time after clock rises 3sn H tW0idth of latch enable pulse 8sn WLE tL5E delay time after rising edge of clock3sn DLE tL0E setup time before rising edge of clock4sn SLE t , t Rise/fall time of HV 1s000 C =100nF, V =200V OR OF OUT L PP tD0elay time for output to start rise/fall 5s0 n d ON/OFF t Delay time clock to Dh0igh to low 1s1 nC =15pF DHL OUT L t Delay time clock to Dl0ow to high 1s1 nC =15pF DLH OUT L t , tA5ll logic inputs ns R F tO0utput short circuit detection 5s0nCShort to output fall of SHORT, =15pF SD L tO0utput short circuit clear 3s00nTShort clear to output rise of SHOR SC tO0utput high-Z state 5s0 n HI-Z 1 Absolute Maximum Ratings Ordering Information Supply Voltage, V -0.5V to 6V DD Device Part Number Package Supply Voltage, V V to 275V PP DD HV513 HV513WG 24-Lead SOW Logic input levels -0.5V to V +0.5V DD HV513 HV513X Die in Wafer Form 2 Ground current 0.3A 2 High voltage supply current 0.25A 3 Continuous total power dissipation 750mW Operating temperature range -40C to +85C Storage temperature range -65C +150C 1. All voltages are referenced to GND. 2. Connection to all power and ground pads is required. Duty cycle is limited by the total power dissipated in the package. 3. For operation above 25C ambient derate linearly to 85C at 12mW/C. A122104 2