Multi-Channel 1-cell Li-Ion Power Mgmt IC: USB/AC Charger, 2DC/DC, 2 LDOs, I2C interface in QFN-48 The TPS65011RGZR is a power management IC (PMIC) manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Input Voltage Range:** 2.5V to 6V
- **Output Voltage:**
- **Buck Converter 1 (DCDC1):** Adjustable (0.8V to 3.3V)
- **Buck Converter 2 (DCDC2):** Adjustable (0.8V to 3.3V)
- **Buck Converter 3 (DCDC3):** Fixed (1.8V)
- **LDO1:** Adjustable (1.2V to 3.3V)
- **LDO2:** Fixed (1.8V)
- **Output Current:**
- **Buck Converters:** Up to 1.2A (DCDC1 & DCDC2), 400mA (DCDC3)
- **LDOs:** 200mA (LDO1 & LDO2)
- **Switching Frequency:** 1.25MHz (typical)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 48-pin VQFN (RGZ)
### **Descriptions:**
The TPS65011RGZR is a highly integrated power management IC designed for portable applications, particularly those powered by single-cell Li-ion batteries. It integrates three step-down (buck) converters and two low-dropout (LDO) regulators, providing a complete power solution for processors and peripherals in portable devices.
### **Features:**
- **Integrated Power Management:** Combines multiple DC-DC converters and LDOs in a single chip.
- **High Efficiency:** Uses synchronous rectification for improved power conversion.
- **Programmable Outputs:** Adjustable buck and LDO voltages for flexibility.
- **Low Quiescent Current:** Optimized for battery-powered applications.
- **Power Sequencing Control:** Ensures proper startup and shutdown sequences.
- **I²C Interface:** Allows dynamic voltage scaling and power management control.
- **Thermal Shutdown & Overcurrent Protection:** Enhances system reliability.
This information is sourced from the manufacturer's datasheet and technical documentation.
