Overview
The TPS65910A31A1RSLR is an integrated power-management IC produced by Texas Instruments. This device is part of the TPS65910 family and is specifically designed for applications powered by one Li-Ion or Li-Ion polymer battery cell, 3-series Ni-MH cells, or a 5-V input. It is tailored to support the power requirements of OMAP-based systems, particularly the AM335x processors with DDR3 memory. The device is packaged in a 48-QFN package, measuring 6.00 mm × 6.00 mm.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Package Type | PVQFN | - |
| Package Pins | 48 | - |
| Body Size | 6.00 mm × 6.00 mm | - |
| Voltage Range (VCC1, VCC2, VCCIO, etc.) | -0.3 to 7 | V |
| Voltage Range (VDDIO) | -0.3 to 3.6 | V |
| Storage Temperature Range | -45 to 150 | °C |
| Crystal Frequency | 32.768 kHz | - |
| Crystal Tolerance | -20 to 20 ppm | - |
Key Features
- Embedded Power Controller (EPC) for managing power sequencing requirements.
- Two efficient step-down DC-DC converters for processor cores supply voltage.
- One efficient step-down DC-DC converter for I/O power.
- One efficient step-up 5-V DC-DC converter.
- Eight LDO voltage regulators and one Real-Time Clock (RTC) LDO.
- RTC resource with oscillator for 32.768-kHz crystal or 32-kHz built-in RC oscillator, date, time, and calendar, and alarm capability.
- SmartReflex™ compliant dynamic voltage management for processor cores.
- High-speed I2C interfaces for general-purpose control and SmartReflex class 3 control.
- One configurable GPIO.
- Thermal shutdown protection and hot-die detection.
Applications
- Portable and handheld systems.
- Industrial systems.
- Specifically designed for OMAP-based applications, including those using AM335x processors with DDR3 memory.
Q & A
- What is the primary function of the TPS65910A31A1RSLR?
The primary function is to provide integrated power management for OMAP-based systems. - What types of battery cells can the TPS65910A31A1RSLR support?
It supports one Li-Ion or Li-Ion polymer battery cell, 3-series Ni-MH cells, or a 5-V input. - How many DC-DC converters does the TPS65910A31A1RSLR have?
It has three step-down DC-DC converters and one step-up DC-DC converter. - What is the purpose of the SmartReflex interface?
The SmartReflex interface is used for dynamic voltage management of processor cores to optimize power savings. - How many LDO voltage regulators does the device have?
The device has eight general-purpose LDOs and one RTC LDO. - What is the package type and size of the TPS65910A31A1RSLR?
The package type is PVQFN with 48 pins, and the body size is 6.00 mm × 6.00 mm. - What is the crystal frequency supported by the RTC?
The crystal frequency supported is 32.768 kHz. - Does the device have thermal protection features?
Yes, it includes thermal shutdown protection and hot-die detection. - What types of systems are the TPS65910A31A1RSLR typically used in?
It is typically used in portable and handheld systems, as well as industrial systems. - How many I2C interfaces does the device have?
The device has two high-speed I2C interfaces: one for general-purpose control and one for SmartReflex class 3 control.
