Maker : Allegro MicroSystems
Part No. : A6A595KLB

  Datasheet PDF : A6A595KLB.pdf
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Product Information

6A595 ADVANCE INFORMATION (Subject to change without notice) March 22, 2000 8-BIT SERIAL-INPUT, DMOS POWER DRIVER The A6A595KA and A6A595KLB combine an 8-bit CMOS shift register and accompanying data latches, control circuitry, and DMOS power driver outputs. Power driver applications include relays, solenoids, and other medium-current or high-voltage peripheral power loads. The serial-data input, CMOS shift register and latches allow direct interfacing with microprocessor-based systems. Serial-data input rates are over 5 MHz. Use with TTL may require appropriate pull-up resistors to ensure an input logic high. A CMOS serial-data output enables cascade connections in applications requiring additional drive lines. The A6A595 DMOS open-drain outputs are capable of sinking up to 500 mA. All of the output drivers are disabled (the DMOS sink drivers turned off) by the OUTPUT ENABLE input high. The A6A595KA is furnished in a 20-pin dual in-line plastic package. The A6A595KLB is furnished in a 24-lead wide-body, smalloutline plastic batwing package (SOIC) with gull-wing leads. Copper lead frames, reduced supply current requirements, and low on-state resistance allow both devices to sink 150 mA from all outputs continuously, to ambient temperatures over 85°C. Data Sheet 26185.121 A6A595KA (DIP) OUT2 OUT3 REGISTER CLEAR OUTPUT ENABLE POWER GROUND POWER GROUND STROBE CLOCK OUT4 OUT5 1 2 LATCHES 3 4 5 6 7 8 9 10 ST CLK REGISTER LATCHES 12 11 CLR OE REGISTER VDD 18 17 16 15 14 13 20 19 OUT1 OUT0 SERIAL DATA IN LOGIC SUPPLY POWER GROUND POWER GROUND LOGIC GROUND SERIAL DATA OUT OUT7 OUT6 Dwg. PP-029-15 ABSOLUTE MAXIMUM RATINGS at TA = 25°C Output Voltage, VO ............................... 50 V Output Drain Current, Continuous, IO .......................... 350 mA* Peak, IOM ................................. 1100 mA† Single-Pulse Avalanche Energy, EAS ................................................. 75 mJ Logic Supply Voltage, VDD .................. 7.0 V Input Voltage Range, VI ................................... -0.3 V to +7.0 V Package Power Dissipation, PD ........................................... See Graph Operating Temperature Range, TA ................................. -40°C to +125°C Storage Temperature Range, TS ................................. -55°C to +150°C * Each output, all outputs on. † Pulse duration ≤ 100 µs, duty cycle ≤ 2%. Caution: These CMOS devices have input static protection (Class 3) but are still susceptible to damage if exposed to extremely high static electrical charges. FEATURES I 50 V Minimum Output Clamp Voltage I 350 mA Output Current (all outputs simultaneously) I 1 Ω Typical rDS(on) I Internal Short-Circuit Protection I Low Power Consumption I Replacements for TPIC6A595N and TPIC6A595DW Always order by complete part number: Part Number Package RθJA A6A595KA 20-pin DIP 55°C/W A6A595KLB 24-lead SOIC 55°C/W RθJC 25°C/W — RθJT — 6°C/W 6A595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER A6A595KLB (SOIC) 5 SUFFIX 'LB', R θJT = 6.0°C/W 1 2 LATCHES REGISTER CLEAR OUTPUT ENABLE 3 4 5 6 7 8 9 10 11 12 ST CLK REGISTER OUT4 LATCHES 14 13 CLR OE REGISTER VDD 22 21 20 19 18 17 16 15 SERIAL DATA IN LOGIC SUPPLY POWER GROUND POWER GROUND POWER GROUND POWER GROUND LOGIC GROUND SERIAL DATA OUT OUT7 OUT6 24 23 ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS OUT2 OUT3 OUT1 OUT0 4 3 SUFFIX 'A', R θJC = 25°C/W POWER GROUND POWER GROUND POWER GROUND POWER GROUND STROBE 2 1 R θJA = 55°C/W CLOCK 0 25 50 75 100 TEMPERATURE IN °C 125 150 Dwg. GP-049-5 OUT5 Dwg. PP-029-16A FUNCTIONAL BLOCK DIAGRAM REGISTER CLEAR (ACTIVE LOW) CLOCK SERIAL DATA IN STROBE OUTPUT ENABLE (ACTIVE LOW) V DD LOGIC SUPPLY SERIAL DATA OUT SERIAL-PARALLEL SHIFT REGISTER D-TYPE LATCHES LOGIC GROUND SUB CURRENT LIMIT AND CHARGE PUMP POWER GROUND POWER GROUND OUT 0 OUT N Dwg. FP-013-6 Power grounds must be connected together externally. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0...

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