Overview
The TPS65917-Q1, part number O917A14DTRGZRQ1, is a highly integrated Power Management IC (PMIC) designed by Texas Instruments for automotive applications. This device is AEC-Q100 qualified, ensuring reliability and performance in harsh automotive environments. The PMIC integrates multiple power management functions, including five step-down converters and five low-dropout (LDO) linear regulators, making it an ideal solution for powering processors, memory, I/O, and other system components in automotive systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | 48-pin VQFN (RGZ), 7-mm × 7-mm |
| Operating Temperature Range | -40°C to +105°C |
| Supply Voltage Range | 3.135 V to 5.25 V |
| SMPS Regulators | Five step-down converters (3.5 A, 3 A, 2 A, 1.5 A capabilities) |
| LDO Regulators | Five LDOs (0.9- to 3.3-V output range, various current capabilities up to 300 mA) |
| ADC | 12-bit Sigma-Delta GPADC with 8 input channels (2 external) |
| Control Interface | SPI and two I2C interfaces |
| Power Sequence Control | Configurable power-up and power-down sequences using OTP |
Key Features
- AEC-Q100 Qualified: Ensures reliability and performance in automotive environments with a temperature grade 2 rating (-40°C to +105°C).
- Multiple Power Regulators: Five step-down SMPS regulators and five LDO linear regulators to power various system components.
- Dynamic Voltage Scaling (DVS): Supports DVS control and output current measurement in SMPS regulators.
- Eco-mode: Hardware and software controlled Eco-mode supplying up to 5 mA.
- Protection Mechanisms: Short-circuit protection, thermal monitoring, and power-good indication.
- ADC and Monitoring: 12-bit Sigma-Delta GPADC with thermal monitoring and high temperature warning.
- Configurable Power Sequences: Using one-time programmable (OTP) memory for power-up and power-down sequences.
- Selectable Control Interface: SPI and two I2C interfaces for resource configurations and DVS control.
Applications
- Automotive Digital Cluster: Powers the display and processing units in digital clusters.
- Automotive Advanced Driver Assistance System (ADAS): Supports the power requirements of ADAS systems.
- Automotive Navigation Systems: Powers navigation and infotainment systems in vehicles.
- Processor Power Management: Ideal for powering processors, memory, and I/O components in automotive systems.
Q & A
- What is the operating temperature range of the TPS65917-Q1?
The operating temperature range is -40°C to +105°C.
- How many SMPS regulators does the TPS65917-Q1 have?
The device has five step-down SMPS regulators.
- What is the supply voltage range of the TPS65917-Q1?
The supply voltage range is from 3.135 V to 5.25 V.
- Does the TPS65917-Q1 support dynamic voltage scaling?
Yes, it supports dynamic voltage scaling (DVS) control and output current measurement in SMPS regulators.
- What types of protection mechanisms are included in the TPS65917-Q1?
The device includes short-circuit protection, thermal monitoring, and power-good indication.
- How many LDO regulators does the TPS65917-Q1 have?
The device has five LDO linear regulators.
- What is the purpose of the OTP memory in the TPS65917-Q1?
The OTP memory is used for configurable power-up and power-down sequences and default configurations such as output voltage and GPIO settings.
- Does the TPS65917-Q1 have an analog-to-digital converter (ADC)?
Yes, it includes a 12-bit Sigma-Delta GPADC with 8 input channels (2 external).
- What control interfaces are available on the TPS65917-Q1?
The device has one SPI and two I2C interfaces for resource configurations and DVS control.
- Is the TPS65917-Q1 RoHS compliant?
Yes, the device is RoHS compliant.
