Overview
The TPS65218D0RSLR is a single-chip power-management IC (PMIC) designed by Texas Instruments to support the AM335x and AM438x line of processors. This PMIC is versatile and can be used in both portable (Li-Ion battery) and nonportable (5-V adapter) applications. It operates across a wide temperature range of -40°C to +105°C, making it suitable for various industrial settings.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VQFN (RSL) - 48 pins |
| Operating Temperature Range (°C) | -40 to 105 |
| VIN Range (V) | 2.7 to 5.5 |
| Regulated Outputs (#) | 7 |
| Maximum Continuous Drain Current (A) | 1.8 |
| Step-Down DC/DC Converters (#) | 5 |
| Step-Up DC/DC Converter (#) | 1 |
| LDO (#) | 1 |
| Switching Frequency (max) (kHz) | 2400 |
| Iq (typ) (mA) | 0.025 |
Key Features
- Three adjustable step-down converters (DCDC1, DCDC2, DCDC3) with integrated switching FETs.
- One adjustable buck-boost converter (DCDC4) with integrated switching FETs.
- Two low-quiescent current, high-efficiency step-down converters for battery backup domain (DCDC5, DCDC6).
- Adjustable general-purpose LDO (LDO1).
- Low-voltage load switch (LS1) with 350-mA current limit.
- 5-V and high-voltage load switches (LS2, LS3) with selectable current limits.
- Supervisor with built-in supervisor function, undervoltage lockout (UVLO), overtemperature warning and shutdown, and separate power-good output for backup and main supplies.
- I2C interface for control and monitoring.
- Dynamic voltage scaling, eco-mode, overcurrent protection, power sequencing, and thermal shutdown.
Applications
The TPS65218D0RSLR is commonly used in various applications, including:
- Industrial automation
- Electronic point of sale (ePOS)
- Test and measurement
- Personal navigation
- Industrial communications
- Backplane I/O
- Connected industrial drives
- Smartphones, tablets, and other portable electronics
Q & A
- What is the TPS65218D0RSLR used for? The TPS65218D0RSLR is a power-management IC designed to support the AM335x and AM438x line of processors in both portable and nonportable applications.
- What is the operating temperature range of the TPS65218D0RSLR? The operating temperature range is -40°C to +105°C.
- How many regulated outputs does the TPS65218D0RSLR have? It has 7 regulated outputs.
- What types of DC/DC converters are integrated into the TPS65218D0RSLR? It includes three step-down converters (DCDC1, DCDC2, DCDC3) and one buck-boost converter (DCDC4).
- Does the TPS65218D0RSLR have load switches? Yes, it includes low-voltage, 5-V, and high-voltage load switches.
- What communication interface does the TPS65218D0RSLR use? It uses an I2C interface for control and monitoring.
- What are some of the protection features of the TPS65218D0RSLR? It includes undervoltage lockout (UVLO), overtemperature warning and shutdown, and overcurrent protection.
- Can the power settings of the TPS65218D0RSLR be customized? Yes, the power settings are fully customizable through the I2C interface.
- What is the typical quiescent current of the TPS65218D0RSLR? The typical quiescent current (Iq) is 0.025 mA.
- What is the maximum switching frequency of the TPS65218D0RSLR? The maximum switching frequency is 2400 kHz.
