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Product details

Parameters

Topology Open drain Channels (#) 8 Vin (Min) (V) 4.5 Vin (Max) (V) 5.5 Vout (Max) (V) 50 LED current per channel (mA) 150 Operating temperature range (C) -40 to 125 Features Thermal Shutdown Rating Catalog 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 Ω (Typical)
  • Avalanche Energy, 30 mJ
  • Eight Power DMOS Transistor Outputs of 150-mA Continuous Current
  • Output Clamp Voltage, 50 V
  • Devices are Cascadable
  • Low-Power Consumption
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Description

The TPIC6B595 device is a monolithic, high-voltage, medium-current power 8-bit shift register 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.

This device contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. Data transfers through the shift and storage registers on the rising edge of the shift-register clock (SRCK) and the register clock (RCK), respectively.

The storage register transfers data to the output buffer when shift-register clear (SRCLR) is high. When SRCLR is low, the input shift register is cleared. When output enable (G) is held high, all data in the output buffers is held low and all drain outputs are off. When G is held low, data from the storage register is transparent to the output buffers. When data in the output buffers is low, the DMOS-transistor outputs are off. When data is high, the DMOS transistor outputs have sink-current capability. The serial output (SER OUT) allows for cascading of the data from the shift register to additional devices.

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 TPIC6B595 is characterized for operation over the operating case temperature range of −40°C to 125°C.

For all available packages, see the orderable addendum at the end of the data sheet.
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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TPIC6B595 Power Logic 8-Bit Shift Register datasheet (Rev. B) Jun. 19, 2015
Technical articles Here's how body electronics and lighting technology are changing the driving experience Sep. 26, 2016
Technical articles LED brightness adjustment: high-frequency PWM dimming Aug. 26, 2016
Technical articles Take better selfies with innovative LED flashes Nov. 18, 2014
Technical articles Solving the automotive EMI issues in new cars with all the screens Sep. 10, 2014
Application notes TPIC6595 Power+ Logic(TM) 8-Bit Shift Reg. With Low-Side Power DMOS Switches (Rev. A) Jul. 01, 1993

Design & development

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CAD/CAE symbols

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PDIP (N) 20 View options
SOIC (DW) 20 View options

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