Overview
The TPS65218D0PHPR is a highly integrated power management IC (PMIC) designed by Texas Instruments to support ARM Cortex-A8/A9 System-on-Chip (SoC) and Field-Programmable Gate Arrays (FPGAs), particularly the AM335x and AM438x line of processors. This PMIC is optimized for both portable (Li-Ion battery) and nonportable (5-V adapter) applications, making it versatile for various industrial and embedded systems. The device operates across a wide temperature range of –40°C to +105°C, enhancing its suitability for demanding environments.
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | 48-pin VQFN (6 mm × 6 mm, 0.4-mm pitch) and HTQFP (48) (7 mm × 7 mm) |
| Number of DC-DC Converters | Three adjustable step-down converters (DCDC1, DCDC2, DCDC3) |
| Default Output Voltages | DCDC1: 1.1 V, DCDC2 and DCDC3: adjustable via I2C interface |
| Maximum Current per Converter | Up to 1.8 A for DCDC1 |
| Backup Power | Two step-down converters for tamper, RTC, or both domains of the processor |
| Temperature Range | –40°C to +105°C |
| Interface | I2C interface for voltage adjustment and control |
Key Features
- Three hysteretic step-down converters with integrated switching FETs, providing power for the processor core, MPU, and DDRx memory.
- Dynamic voltage scaling for DCDC1 and DCDC2 to support all operating points of the processor.
- Programmable slew rates for DCDC1 and DCDC2 to protect processor components.
- DCDC3 remains powered during processor sleep mode to maintain power to DDRx memory.
- Backup power with two step-down converters for tamper, RTC, or both domains of the processor.
- Battery backup monitor to determine the power level of the coin-cell battery.
- Power good signal monitoring for the backup converters.
Applications
- Industrial Automation
- Electronic Point of Sale (ePOS)
- Test and Measurement
- Personal Navigation
- Industrial Communications
- Backplane I/O
- Connected Industrial Drives
Q & A
- What is the primary function of the TPS65218D0PHPR? The TPS65218D0PHPR is a power management IC designed to support ARM Cortex-A8/A9 SoCs and FPGAs, providing integrated power management solutions.
- How many DC-DC converters does the TPS65218D0PHPR have? The device features three adjustable step-down converters (DCDC1, DCDC2, DCDC3).
- What is the default output voltage of DCDC1? The default output voltage of DCDC1 is 1.1 V.
- Can the output voltages be adjusted? Yes, the output voltages for DCDC2 and DCDC3 can be adjusted via the I2C interface.
- What is the maximum current rating for DCDC1? The maximum current rating for DCDC1 is up to 1.8 A.
- Does the TPS65218D0PHPR support backup power? Yes, it provides two step-down converters for backup power to the tamper, RTC, or both domains of the processor.
- What is the operating temperature range of the TPS65218D0PHPR? The device operates across a temperature range of –40°C to +105°C.
- What interface does the TPS65218D0PHPR use for control and adjustment? The device uses an I2C interface for voltage adjustment and control.
- In what types of applications is the TPS65218D0PHPR commonly used? It is commonly used in industrial automation, ePOS, test and measurement, personal navigation, industrial communications, backplane I/O, and connected industrial drives.
- What package types are available for the TPS65218D0PHPR? The device is available in 48-pin VQFN and HTQFP packages.
