TPIC6C596 Automotive 8-bit shift register |

TPIC6C596 (ACTIVE) Automotive 8-bit shift register


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The TPIC6C596 device is a monolithic, medium-voltage, low-current, 8-bit shift register designed for use in systems that require relatively moderate load power such as LEDs. The device contains a built-in voltage clamp on the outputs for inductive transient protection. Power driver applications include relays, solenoids, and other low-current or medium-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 both 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 (CLR) is high. When CLR is low, all registers in the device are 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) is clocked out of the device on the falling edge of SRCK to provide additional hold time for cascaded applications. This will provide improved performance for applications where clock signals may be skewed, devices are not located near one another, or the system must tolerate electromagnetic interference.

Outputs are low-side, open-drain DMOS transistors with output ratings of 33 V and 100 mA continuous sink-current capability. Each output provides a 250-mA maximum current limit at TC = 25°C. The current limit decreases as the junction temperature increases for additional device protection. The device also provides up to 2500 V of ESD protection when tested using the human body model and the 200-V machine model.

The TPIC6C596 device is characterized for operation over the operating case temperature range of –40°C to 125°C.


  • Low RDS(on), 7 &3937; (Typical)
  • Avalanche Energy, 30 mJ
  • Eight Power DMOS Transistor Outputs
    of 100-mA Continuous Current
  • 250-mA Current Limit Capability
  • ESD Protection, 2500 V
  • Output Clamp Voltage, 33 V
  • Enhanced Cascading for Multiple Stages
  • All Registers Cleared With Single Input
  • Low Power Consumption


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Part number Order Topology Channels (#) Vin (Min) (V) Vin (Max) (V) Vout (Max) (V) LED current per channel (mA) Operating temperature range (C) Features Package Group Package size: mm2:W x L (PKG) Rating
TPIC6C596 Order now Current Sink
Shift Register    
8     4.5     5.5     33     100     -40 to 125     Enable/Shutdown
Thermal Shutdown    
PDIP | 16
SOIC | 16
TSSOP | 16    
16PDIP: 181 mm2: 9.4 x 19.3 (PDIP | 16)
16SOIC: 59 mm2: 6 x 9.9 (SOIC | 16)
16TSSOP: 22 mm2: 4.4 x 5 (TSSOP | 16)