Overview
The TPIC6A595DW, manufactured by Texas Instruments, is a high-voltage, high-current power logic 8-bit shift register designed for systems requiring significant load power. This device is particularly suited for driving relays, solenoids, and other medium-current or high-voltage loads. Its market positioning targets industrial automation, automotive electronics, and consumer electronics sectors where robust and reliable power management is essential. The TPIC6A595DW stands out with its low rDS(on), output short-circuit protection, and avalanche energy capabilities, making it a competitive choice for demanding applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Product Type | Counter Shift Register | - | - |
| Manufacturer | Texas Instruments | - | - |
| Count Sequence | Serial to Serial/Parallel | - | - |
| Number of Circuits | 1 | - | - |
| Package / Case | SOIC-24 | - | - |
| Output Type | Open Drain | - | - |
| Propagation Delay Time | 125 | ns | Typ @ 5 V |
| Maximum Supply Voltage | 5.5 | V | - |
| Maximum Operating Temperature | +125 | °C | - |
| Minimum Operating Temperature | -40 | °C | - |
| Function | Shift Register | - | - |
| Mounting Style | SMD/SMT | - | - |
| Operating Supply Voltage | 5 | V | - |
| Minimum Supply Voltage | 4.5 | V | - |
Key Features
- Low rDS(on): Typical drain-source on-resistance of 1 Ω, ensuring low voltage drop and high efficiency.
- Output Short-Circuit Protection: Independent current-limiting circuits for each open-drain DMOS transistor enhance system safety.
- Avalanche Energy: Capable of withstanding 75 mJ of avalanche energy, ensuring reliability under extreme conditions.
- Eight 350-mA DMOS Outputs: Each output can continuously provide 350 mA, suitable for high-current loads.
- 50-V Switching Capability: Handles voltage changes up to 50 V, accommodating a wide range of power sources.
- Cascading Functionality: Data can be transferred between multiple TPIC6A595 devices via the SER OUT pin, enabling expansion.
- 8-Bit Serial Input, Parallel Output Shift Register: Data is transferred on the rising edge of the shift register clock (SRCK) and stored on the rising edge of the register clock (RCK).
- D-Type Storage Register: Data is transferred from the storage register to the output buffer when SRCLR is high.
Applications
The TPIC6A595DW is widely used in various applications, including industrial automation, automotive electronics, and consumer electronics. In industrial automation, it drives relays and solenoids, ensuring precise control of machinery. In automotive electronics, it manages power distribution and load control, enhancing vehicle performance and safety. In consumer electronics, it supports high-current and high-voltage requirements, enabling robust functionality in devices such as home appliances and entertainment systems.
Q & A
1. What is the typical propagation delay time of the TPIC6A595DW?
The typical propagation delay time is 125 ns at 5 V.
2. What is the maximum operating temperature of the TPIC6A595DW?
The maximum operating temperature is +125°C.
3. What type of output does the TPIC6A595DW have?
It has an open-drain output type.
4. Can the TPIC6A595DW handle high-voltage applications?
Yes, it can handle voltage changes up to 50 V.
5. What is the typical drain-source on-resistance (rDS(on)) of the TPIC6A595DW?
The typical rDS(on) is 1 Ω.
6. Is the TPIC6A595DW suitable for cascading multiple devices?
Yes, it supports cascading functionality via the SER OUT pin.
7. What is the avalanche energy capability of the TPIC6A595DW?
It can withstand 75 mJ of avalanche energy.
8. What is the minimum operating temperature of the TPIC6A595DW?
The minimum operating temperature is -40°C.
9. What is the maximum supply voltage for the TPIC6A595DW?
The maximum supply voltage is 5.5 V.
10. What are the typical applications of the TPIC6A595DW?
Typical applications include industrial automation, automotive electronics, and consumer electronics.
