Overview
The TPIC6C595 is a monolithic, medium-voltage, low-current power 8-bit shift register designed by Texas Instruments. This device is optimized for systems requiring moderate load power, such as driving LEDs, relays, and solenoids. It operates within a voltage supply range of 4.5 V to 5.5 V and is characterized for operation over a temperature range of −40°C to 125°C. The TPIC6C595 features low-side, open-drain DMOS transistors with built-in voltage clamps for inductive transient protection, making it suitable for various automotive and industrial applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Logic Supply Voltage (VCC) | –0.3 | 7 | V | |
| Logic Input Voltage (VI) | –0.3 | 7 | V | |
| Power DMOS Drain-to-Source Voltage (VDS) | –0.3 | 33 | V | |
| Continuous Source-to-Drain Diode Anode Current | 0 | 250 | mA | |
| Pulsed Source-to-Drain Diode Anode Current | 0 | 500 | mA | |
| Maximum Continuous Drain Current per Output | 100 | mA | ||
| Maximum Current Limit per Output at TC = 25°C | 250 | mA | ||
| Operating Case Temperature (TC) | –40 | 125 | °C | |
| ESD Protection | 2500 | V | ||
| Output Clamp Voltage | 33 | V |
Key Features
- Low-side, open-drain DMOS transistors with output ratings of 33 V and 100 mA continuous current capability.
- 250 mA maximum current limit per output at TC = 25°C, decreasing with increasing junction temperature for additional device protection.
- ESD protection up to 2500 V using the human-body model and the machine model.
- Output clamp voltage of 33 V for inductive transient protection.
- Low rDS(on) of 7 Ω typical.
- Avalanche energy of 30 mJ.
- Low-power consumption.
- Devices are cascadable, allowing for serial data transfer to additional devices.
- Operating temperature range of −40°C to 125°C.
Applications
- Instrumentation clusters.
- Tell-tale lamps.
- LED illumination and controls.
- Automotive relay or solenoid drivers.
- Automotive cluster applications, such as driving LEDs in cluster panels.
Q & A
- What is the operating voltage range of the TPIC6C595?
The TPIC6C595 operates from an input voltage supply range of 4.5 V to 5.5 V.
- What is the maximum continuous drain current per output?
The maximum continuous drain current per output is 100 mA.
- What is the maximum current limit per output at TC = 25°C?
The maximum current limit per output at TC = 25°C is 250 mA.
- What is the ESD protection rating of the TPIC6C595?
The TPIC6C595 has an ESD protection rating of up to 2500 V.
- What is the output clamp voltage for inductive transient protection?
The output clamp voltage is 33 V.
- Can the TPIC6C595 be cascaded with other devices?
Yes, the TPIC6C595 is cascadable, allowing for serial data transfer to additional devices.
- What is the operating temperature range of the TPIC6C595?
The operating temperature range is −40°C to 125°C.
- What types of loads can the TPIC6C595 drive?
The TPIC6C595 can drive relays, solenoids, LEDs, and other low-current or medium-voltage loads.
- How does the TPIC6C595 protect against inductive transients?
The device contains a built-in voltage clamp on the outputs for inductive transient protection.
- What is the typical application of the TPIC6C595 in automotive systems?
A typical application is in automotive cluster drivers, where it can be used to turn on LEDs in the cluster panel.
