Overview
The LP87702-Q1, produced by Texas Instruments, is a highly integrated power management IC designed to meet the stringent requirements of automotive and industrial applications. This device features two step-down DC/DC converters and a 5-V boost converter, making it ideal for safety-critical systems. It is AEC-Q100 qualified, ensuring reliability over a wide temperature range from -40°C to +125°C. The LP87702-Q1 also includes advanced diagnostic functions, programmable start-up and shutdown sequences, and an I2C-compatible interface for comprehensive system control and monitoring.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | VQFN (32) |
| Body Size | 5.00 mm × 5.00 mm |
| Temperature Range | -40°C to +125°C |
| DC/DC Converters | 2 Buck Converters, 1 Boost Converter |
| Boost Converter Output | 5 V |
| I2C Interface Speeds | 100 kHz, 400 kHz, 1 MHz, 3.4 MHz |
| Voltage Monitoring Inputs | 2 External Power Supply Inputs |
| Window Watchdog | Yes |
| Programmable Start-up and Shutdown | Yes, with Enable Signal |
| General Purpose Outputs (GPOs) | Configurable |
Key Features
- AEC-Q100 Qualified for Automotive Applications
- Functional Safety Quality-Managed
- Programmable Start-up and Shutdown Delays and Sequencing with Enable Signal
- Configurable General Purpose Outputs (GPOs)
- I2C-Compatible Interface Supporting Standard, Fast, Fast+, and High-Speed Modes
- Interrupt Function with Programmable Masking
- Automatic PWM/PFM (AUTO mode) Operation for High Efficiency
- Remote Voltage Sensing to Compensate IR Drop
- One-Time-Programmable (OTP) Memory
Applications
- Automotive Radar
- Automotive Camera
- Automotive Sensor Fusion
- Industrial Radar
- Building Automation
Q & A
- What is the temperature range of the LP87702-Q1?
The LP87702-Q1 operates over a temperature range of -40°C to +125°C. - How many DC/DC converters does the LP87702-Q1 have?
The LP87702-Q1 features two buck converters and one 5-V boost converter. - What are the I2C interface speeds supported by the LP87702-Q1?
The LP87702-Q1 supports I2C interface speeds of 100 kHz, 400 kHz, 1 MHz, and 3.4 MHz. - Does the LP87702-Q1 have voltage monitoring inputs?
Yes, the LP87702-Q1 has two voltage monitoring inputs for external power supplies. - Is the LP87702-Q1 AEC-Q100 qualified?
Yes, the LP87702-Q1 is AEC-Q100 qualified for automotive applications. - What is the purpose of the remote voltage sensing in the LP87702-Q1?
The remote voltage sensing compensates for IR drop between the converter output and the point-of-load, improving output voltage accuracy. - Does the LP87702-Q1 support programmable start-up and shutdown sequences?
Yes, the LP87702-Q1 supports programmable start-up and shutdown sequences synchronized to the enable signal. - What types of applications is the LP87702-Q1 suitable for?
The LP87702-Q1 is suitable for automotive radar, automotive camera, automotive sensor fusion, industrial radar, and building automation applications. - Does the LP87702-Q1 have general purpose outputs (GPOs)?
Yes, the LP87702-Q1 has configurable general purpose outputs (GPOs). - What is the package type of the LP87702-Q1?
The LP87702-Q1 is available in a VQFN (32) package.
