Overview
The TPS65218B1PHPR from Texas Instruments is a comprehensive power management integrated circuit (IC) designed to support both portable and non-portable applications. This IC is particularly suited for systems that require multiple voltage rails and advanced power management features. It operates over a wide temperature range of -40°C to +105°C, making it suitable for various industrial and consumer applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| DCDC1, DCDC2 Output Voltage | Default/Adjustable Range | 1.1 V / 0.85 V to 1.675 V |
| DCDC3 Output Voltage | Default/Adjustable Range | 1.2 V / 0.9 V to 3.4 V |
| DCDC4 Output Voltage | Default/Adjustable Range | 3.3 V / 1.175 V to 3.4 V |
| DCDC5, DCDC6 Output Voltage | Typical | 1 V, 1.8 V |
| LDO1 Output Voltage | Default/Adjustable Range | 1.8 V / 0.9 V to 3.4 V |
| VIN Range for DCDC1-4 | 2.7 V to 5.5 V | |
| VIN Range for DCDC5, DCDC6 | 2.2 V to 5.5 V | |
| Load Switches (LS1, LS2, LS3) | Current Limit | 350 mA, 100/500 mA, 100/500 mA |
| Temperature Range | -40°C to +105°C | |
| Package Options | VQFN (48-pin), HTQFP (48-pin) |
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) and high-voltage load switches (LS2, LS3) with selectable current limits.
- Supervisor function with built-in voltage monitoring and protection features.
- I2C interface for configuration and monitoring.
- Power save mode, 100% duty cycle for lowest dropout, and active output-discharge when disabled.
- Undervoltage lockout (UVLO), overtemperature warning and shutdown, and separate power-good output for backup and main supplies.
Applications
- Human-Machine Interface (HMI)
- Industrial Automation
- Electronic Point of Sale (ePOS)
- Test and Measurement
- Personal Navigation
Q & A
- What is the primary function of the TPS65218B1PHPR?
The TPS65218B1PHPR is a power management IC designed to provide multiple voltage rails and advanced power management features for various applications.
- What are the output voltage ranges for DCDC1 and DCDC2?
The output voltage ranges for DCDC1 and DCDC2 are adjustable from 0.85 V to 1.675 V.
- What is the default output voltage for DCDC3?
The default output voltage for DCDC3 is 1.2 V, with an adjustable range from 0.9 V to 3.4 V.
- What are the current limits for the load switches?
The current limits for the load switches are 350 mA for LS1, and 100/500 mA for LS2 and LS3.
- What is the temperature range for the TPS65218B1PHPR?
The temperature range is -40°C to +105°C.
- What package options are available for the TPS65218B1PHPR?
The IC is available in VQFN (48-pin) and HTQFP (48-pin) packages.
- Does the TPS65218B1PHPR support I2C communication?
- What protection features are included in the TPS65218B1PHPR?
The IC includes undervoltage lockout (UVLO), overtemperature warning and shutdown, and separate power-good output for backup and main supplies.
- What are some typical applications for the TPS65218B1PHPR?
Typical applications include Human-Machine Interface (HMI), Industrial Automation, Electronic Point of Sale (ePOS), Test and Measurement, and Personal Navigation.
- How does the supervisor function work in the TPS65218B1PHPR?
The supervisor function monitors the output voltages of DCDC1, DCDC2, DCDC3, DCDC4, and LDO1, and provides power-good signals and other protection features.
