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Product details

Parameters

Topology Open drain Rating Automotive Operating temperature range (C) -40 to 125 Vin (Min) (V) 4.5 Vin (Max) (V) 5.5 Vout (Max) (V) 50 Features Enable/Shutdown, Thermal Shutdown open-in-new Find other Automotive LED drivers

Package | Pins | Size

PDIP (N) 20 229 mm² 24.33 x 9.4 SOIC (DW) 20 132 mm² 12.8 x 10.3 open-in-new Find other Automotive LED drivers

Features

  • Low rDS(on)...5 Typical
  • Avalanche Energy ...30 mJ
  • Eight Power DMOS-Transistor Outputs of
    150-mA Continuous Current
  • 500-mA Typical Current-Limiting Capability
  • Output Clamp Voltage...50 V
  • Low Power Consumption
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Description

The TPIC6B273 is a monolithic, high-voltage, medium-current, power logic octal D-type latch with DMOS-transistor outputs designed for use in systems that require relatively high load power. The device contains a built-in voltage clamp on the outputs for inductive transient protection. Power driver applications include relays, solenoids, and other medium-current or high-voltage loads.

The TPIC6B273 contains eight positive-edge-
triggered D-type flip-flops with a direct clear input. Each flip-flop features an open-drain power DMOS-transistor output.

When clear (CLR\) is high, information at the D inputs meeting the setup time requirements is transferred to the DRAIN outputs on the positive-
going edge of the clock (CLK) pulse. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When the clock input (CLK) is at either the high or low level, the D input signal has no effect at the output. An asynchronous CLR\ is provided to turn all eight DMOS-transistor outputs off. When data is low for a given output, the DMOS-transistor output is off. When data is high, the DMOS-transistor output has sink-current capability.

Outputs are low-side, open-drain DMOS
transistors with output ratings of 50 V and 150-mA continuous sink-current capability. Each output provides a 500-mA typical current limit at
TC = 25°C. The current limit decreases as the junction temperature increases for additional device protection.

The TPIC6B273 is characterized for operation over the operating case temperature range of -40°C to 125°C.

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Technical documentation

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Type Title Date
* Data sheet Power Logic Octal D-Type Latch datasheet Jul. 01, 1995
Technical article Here's how body electronics and lighting technology are changing the driving experience Sep. 26, 2016
Technical article LED brightness adjustment: high-frequency PWM dimming Aug. 26, 2016
Technical article Take better selfies with innovative LED flashes Nov. 18, 2014
Technical article Solving the automotive EMI issues in new cars with all the screens Sep. 11, 2014

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CAD/CAE symbols

Package Pins Download
PDIP (N) 20 View options
SOIC (DW) 20 View options

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