TPIC6B596DWRG4 Electronics Components power logic 8-bit shift register

TPIC6B596DWRG4 electronics components power logic 8-bit shift register

Low rDS(on) . . . 5 Ω

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

Enhanced Cascading for Multiple Stages

All Registers Cleared With Single Input

Low Power Consumption

description

The TPIC6B596 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 mediumcurrent 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 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 shiftregister clear (SRCLR) is high. When SRCLR 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 DMOStransistor 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 50 V and 150-mA continuous sinkcurrent 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 TPIC6B596 is characterized for operation over the operating case temperature range of −40°C to 125°C.

absolute maximum ratings over recommended operating case temperature range (unless otherwise noted)†

Logic supply voltage, VCC (see Note 1) 7 V

Logic input voltage range, VI −0.3 V to 7 V .

Power DMOS drain-to-source voltage, VDS (see Note 2) 50 V

Continuous source-to-drain diode anode current 500 mA

Pulsed source-to-drain diode anode current (see Note 3) 1 A

Pulsed drain current, each output, all outputs on, ID, TC = 25°C (see Note 3) 500 mA

Continuous drain current, each output, all outputs on, ID, TC = 25°C 150 mA

Peak drain current single output, IDM,TC = 25°C (see Note 3) 500 mA

Single-pulse avalanche energy, EAS (see Figure 4) 30 mJ

Avalanche current, IAS (see Note 4) 500 mA

Continuous total dissipation See Dissipation Rating Table

Operating virtual junction temperature range, TJ −40 .°C to 150°C

Operating case temperature range, TC −40 °C to 125°C Storage temperature range −65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C

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