Overview
The TPIC6595DWG4 is a monolithic, high-voltage, high-current power 8-bit shift register designed by Texas Instruments. This device is tailored for systems that require relatively high load power, making it suitable for various power driver applications such as relays, solenoids, and other medium-current or high-voltage loads. The TPIC6595 contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register, enabling efficient data transfer and control. It also features built-in voltage clamps on the outputs for inductive transient protection, enhancing reliability and performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | 20-SOIC (DW) | |
| Operating Temperature Range | -40°C to 125°C | °C |
| Logic Supply Voltage (VCC) | 4.5V to 5.5V | V |
| Output Type | Open Drain | |
| Number of Bits per Element | 8 | |
| Continuous Drain Current per Output | 250 mA | A |
| Pulsed Drain Current per Output | 1.5 A | A |
| Output Clamp Voltage | 45 V | V |
| Avalanche Energy | 75 mJ | mJ |
| Low RDS(on) | 1.3 Ω (Typical) | Ω |
Key Features
- Low RDS(on) of 1.3 Ω (Typical)
- Avalanche Energy of 75 mJ
- Eight Power DMOS Transistor Outputs with 250-mA Continuous Current and 1.5-A Pulsed Current per Output
- Output Clamp Voltage at 45 V for inductive transient protection
- Devices are cascadable, allowing for serial output to additional devices
- Low Power Consumption
- Separate power and logic level ground pins for maximum system flexibility
Applications
The TPIC6595DWG4 is designed for use in various power driver applications, including:
- Relays
- Solenoids
- Other medium-current or high-voltage loads
Q & A
- What is the operating temperature range of the TPIC6595DWG4?
The operating temperature range is -40°C to 125°C.
- What is the logic supply voltage range for the TPIC6595DWG4?
The logic supply voltage range is 4.5V to 5.5V.
- What is the continuous drain current capability per output?
The continuous drain current capability per output is 250 mA.
- What is the pulsed drain current capability per output?
The pulsed drain current capability per output is 1.5 A.
- What is the output clamp voltage of the TPIC6595DWG4?
The output clamp voltage is 45 V.
- Can the TPIC6595DWG4 devices be cascaded?
- What is the typical RDS(on) of the TPIC6595DWG4?
The typical RDS(on) is 1.3 Ω.
- What type of outputs does the TPIC6595DWG4 have?
The outputs are low-side, open-drain DMOS transistors.
- Why are separate power and logic level ground pins provided?
Separate power and logic level ground pins are provided to facilitate maximum system flexibility and reduce crosstalk between the logic and load circuits.
- Is the TPIC6595DWG4 still recommended for new designs?
No, the device is not recommended for new designs as it has been announced for discontinuation by Texas Instruments.
