Stock Offer (Hot Sell)

8-Channel Serial to Parallel Converter with High Voltage

Push-Pull Outputs, POL, Hi-Z, and Short Circuit Detect

Features

❑ HVCMOS‚ technology

❑ Operating output voltage of 250V

❑ Low power level shifting from 5V to 250V

❑ Shift register speed 8MHz @ VDD = 5V

❑ 8 latch data outputs

❑ Output polarity and blanking

❑ CMOS compatible inputs

❑ Output short circuit detect

❑ Output high-Z control

Applications

❏ Piezoelectric transducer driver

❏ Weaving applications

❏ Braille

❏ Printers

❏ MEMs

❏ Displays

General Description

The HV513 is a low voltage serial to high voltage parallel converter with 8 high voltage push-pull outputs. This device has been designed to drive small capacitve loads such as piezoelectric transducers. It can also be used in any application requiring multiple high voltage outputs, with medium current source and sink capabilities.

The device consists of an 8-bit shift register, 8 latches, and control logic to perform the polarity select and blanking of the outputs. Data is shifted through the shift register on the low to high transition of the clock. A data output buffer is provided for cascading devices. Operation of the shift register is not affected by the LE, BL, POL, or the HI-Z control inputs. Transfer of data 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.

All outputs have short circuit protection that detects if the outputs have reached the required output state. If output does not track the required state, then the SHORT pin will be low. This output will pulse low during the output transistion period under normal operation; see SC Timing Diagram for details.

All outputs will have a break-before-make circuitry to reduce cross-over current during output state changes.

The POL, BL, LE, and HI-Z inputs have an internal pull up resistor.

Absolute Maximum Ratings¹

Supply Voltage, V_DD -0.5V to 6V

Supply Voltage, V_PP V_DD to 275V

Logic input levels -0.5V to V_DD+0.5V

Ground current ² 0.3A

High voltage supply current ² 0.25A

Continuous total power dissipation³ 750mW

Operating temperature range -40°C to +85°C

Storage temperature range -65°C +150°C

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 25°C ambient derate linearly to 85°C at 12mW/°C.

Application Diagram

           King--- Originator of ANTERWELL, engaged in the IC electronics industry in 1998 and establish ANTERWELL in 2004. The company is located in Shenzhen Huaqiang North, the largest electronic center in Asia. Our main business is the technical development and electronic products import and export business. Currently, we have branches in Hong Kong and Malaysia.

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