HV513 Supertex Inc, HV513 Datasheet

HV513

Manufacturer Part Number

HV513

Description

8-Channel Serial to Parallel Converter with High Voltage Push-Pull Outputs/ POL/ Hi-Z/ and Short Circuit Detect

Manufacturer

Supertex Inc

Datasheet

1.HV513.pdf (6 pages)

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Features

❑ HVCMOS‚ technology

❑ Operating output voltage of 250V

❑ Low power level shifting from 5V to 250V

❑ Shift register speed 8MHz @ V

❑ 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

Top Block Diagram

02/11/02

Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability

indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to

workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the

Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.

POL*

Hi-Z*

BL*

LE*

CLK

OUT

8-Channel Serial to Parallel Converter

with High Voltage Push-Pull Outputs,

POL, Hi-Z, and Short Circuit Detect

=5V

GND

•

Short*

OUT

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 piezoelec-

tric 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.

Note: All logic control inputs have internal 20k-ohm pull-up

resistors.

HV513

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HV513 Summary of contents

Page 1

... Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website. 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 piezoelec- tric transducers ...

Page 2

... Part Number HV513WG ...

Page 3

...

Page 4

... Switching Waveforms Data Input 50% CLK 50% Data Out LE HV OUT w/ S/R LOW HV OUT w/ S/R HIGH Short Circuit Detect Detail Timing (HV513) LE POL BL Hi-Z HV Within OUT xV of rail t SD Short Detect If the output is not within 5V to 10V of the desired output state, the SHORT signal goes LOW. ...

Page 5

Functional Block Diagram POL CLK 8-Bit Static Shift Register D OUT HI-Z POL, BL, LE, and HI-Z have internal 20kΩ pull-up resistors. Function Table ...

Page 6

... Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited. Package Outline 24-Lead SOW Package (WG) (Wide Body) 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 • FAX: (408) 222-4895 6 HV513 02/11/02 www.supertex.com ...

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