Overview
The TPIC6A259DW, produced by Texas Instruments, is a power logic 8-bit addressable latch designed for general-purpose storage applications in digital systems. This device controls open-drain DMOS transistor outputs and is capable of operating as eight addressable latches or an 8-line demultiplexer with active-low DMOS outputs. It is characterized by its low power consumption, high switching capability, and robust protection features such as output short-circuit protection and avalanche energy handling.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Logic Supply Voltage, VCC | 4.5 | 5.5 | V | |
| High-Level Input Voltage, VIH | 0.85 VCC | VCC | V | |
| Low-Level Input Voltage, VIL | 0 | 0.15 VCC | V | |
| Pulsed Drain Output Current, TC = 25°C, VCC = 5 V | -1.8 | 0.6 | A | |
| Setup Time, D High Before G↑, tsu | 10 | ns | ||
| Hold Time, D High Before G↑, th | 5 | ns | ||
| Pulse Duration, tw | 15 | ns | ||
| Operating Case Temperature, TC | -40 | 125 | °C | |
| Static Drain-to-Source On-State Resistance, rDS(on) | 1 | 1.5 | Ω | |
| Avalanche Energy | 75 | mJ | ||
| Output Current per Channel | 350 | mA |
Key Features
- Low rDS(on) of 1 Ω typical, ensuring minimal resistance and efficient operation.
- Output short-circuit protection to prevent damage from overcurrent conditions.
- Avalanche energy handling of 75 mJ, providing robust protection against transient events.
- Eight 350-mA DMOS outputs, suitable for high-current applications.
- 50-V switching capability, allowing for use in high-voltage systems.
- Four distinct function modes, offering versatility in different application scenarios.
- Low power consumption, making it suitable for power-sensitive designs.
- Thermally-enhanced packaging options, including dual-in-line (NE) and wide-body, surface-mount (DW) packages.
Applications
- General-purpose storage applications in digital systems.
- Working registers and serial-holding registers.
- Decoders or demultiplexers, particularly in 3-to-8 decoding or demultiplexing modes.
- High-current switching applications requiring robust and reliable operation.
Q & A
- What is the typical on-state resistance of the TPIC6A259DW?
The typical on-state resistance (rDS(on)) is 1 Ω.
- What is the maximum operating case temperature for the TPIC6A259DW?
The maximum operating case temperature is 125°C.
- How many DMOS outputs does the TPIC6A259DW have?
The device has eight DMOS outputs.
- What is the maximum logic supply voltage for the TPIC6A259DW?
The maximum logic supply voltage (VCC) is 5.5 V.
- Does the TPIC6A259DW have output short-circuit protection?
- What are the package options available for the TPIC6A259DW?
The device is available in thermally-enhanced dual-in-line (NE) and wide-body, surface-mount (DW) packages.
- What is the avalanche energy handling capability of the TPIC6A259DW?
The device can handle an avalanche energy of 75 mJ.
- What is the setup time for the data input before the gate signal rises?
The setup time (tsu) is 10 ns.
- What is the hold time for the data input after the gate signal rises?
The hold time (th) is 5 ns.
- Is the TPIC6A259DW suitable for high-voltage applications?
