Overview
The TPS3760A012DYYRQ1, produced by Texas Instruments, is a high-performance voltage supervisor designed for automotive and other high-reliability applications. This device is part of the TPS3760-Q1 family, known for its ultra-low quiescent current and fast detection time. It is specifically engineered to monitor overvoltage (OV) and undervoltage (UV) conditions in 12 V / 24 V automotive battery systems, ensuring the integrity and reliability of electronic systems.
The TPS3760A012DYYRQ1 features an integrated resistor divider, eliminating the need for external resistors and minimizing the total solution size. It also includes built-in hysteresis on the SENSE pin to prevent false reset signals due to voltage transients. The device operates over a wide temperature range of –40°C to +125°C, making it suitable for demanding automotive environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range (VDD) | 2.7 to 65 | V |
| Quiescent Current (IDD) | 1 | µA |
| Voltage Accuracy | 1% (typical) | |
| SENSE and RESET Pin Voltage | Up to 65 | V |
| Operating Temperature Range | –40 to +125 | °C |
| Package Type | SOT-23-THN (DYY) 14-pin | |
| Body Size | 4.1 mm × 1.9 mm | |
| Junction-to-Ambient Thermal Resistance | 131.5 | °C/W |
Key Features
- AEC-Q100 Qualified: Meets automotive-grade standards for reliability and performance.
- Wide Supply Voltage Range: Operates from 2.7 V to 65 V.
- Low Quiescent Current: Typical 1 µA IDD.
- Flexible Voltage Thresholds: Various options including 2% to 13% hysteresis and fixed thresholds.
- Programmable Reset and Sense Time Delays: Adjustable using CTS and CTR pins.
- Manual Reset (MR) Feature: Allows for forced system reset.
- Output Topology: Open-Drain or Push-Pull configurations.
- Built-in Hysteresis: Prevents false reset signals due to voltage transients.
- Separate VDD and SENSE Pins: Allows for redundancy and monitoring of different voltage levels.
Applications
- Telematics Control Unit: For monitoring and controlling telematics systems in vehicles.
- Emergency Call System: Ensures reliable operation in emergency call systems.
- Audio Amplifier: Monitors voltage in audio systems to prevent damage.
- Head Unit and Cluster: Used in the main control units of vehicles for voltage monitoring.
- Sensor Fusion and Cameras: Ensures stable voltage supply to sensor and camera systems.
- Body Control Module: Monitors and controls various body functions in vehicles.
Q & A
- What is the primary function of the TPS3760A012DYYRQ1?
The primary function is to monitor overvoltage (OV) and undervoltage (UV) conditions in automotive battery systems.
- What is the operating voltage range of the TPS3760A012DYYRQ1?
The device operates from 2.7 V to 65 V.
- What is the quiescent current of the TPS3760A012DYYRQ1?
The typical quiescent current is 1 µA.
- What are the key features of the TPS3760A012DYYRQ1's voltage thresholds?
The device offers flexible and wide voltage threshold options, including 2% to 13% hysteresis and fixed thresholds.
- Can the TPS3760A012DYYRQ1 be used in high-reliability automotive systems?
- What is the purpose of the CTS and CTR pins in the TPS3760A012DYYRQ1?
The CTS pin allows for programmable sense time delay, and the CTR pin allows for programmable reset time delay and manual reset.
- What are the output topology options for the TPS3760A012DYYRQ1?
The device supports Open-Drain or Push-Pull output configurations.
- How does the TPS3760A012DYYRQ1 handle voltage transients?
The device includes built-in hysteresis on the SENSE pin to prevent false reset signals due to voltage transients.
- What is the operating temperature range of the TPS3760A012DYYRQ1?
The device operates over a temperature range of –40°C to +125°C.
- What package type is the TPS3760A012DYYRQ1 available in?
The device is available in a SOT-23-THN (DYY) 14-pin package.
- What are some common applications of the TPS3760A012DYYRQ1?
Common applications include telematics control units, emergency call systems, audio amplifiers, head units, sensor fusion and cameras, and body control modules.
