TPS63810 and TPS63811 – 2.5-A Buck-Boost Converters with I2C Interface

1 Features

Input voltage range: 2.2 V to 5.5 V
Output voltage range: 1.8 V to 5.2 V
- I²C-configurable during operation and shutdown
- VSEL pin to toggle between two output voltage presets
Output current
- Up to 2.5 A for V_I ≥ 2.5 V, V_O = 3.3 V
- Up to 2.5 A for V_I ≥ 2.8 V, V_O = 3.5 V
High efficiency over entire load range
- Low 13-μA operating quiescent current
- Automatic power save mode and forced PWM mode (I²C-configurable)
Peak current mode buck-boost architecture
- Defined transitions between buck, buck-boost and boost operation
- Forward and reverse current operation
- Start-up into pre-biased outputs
Safety and robust operation features
- Integrated soft start
- Overtemperature and overvoltage protection
- True load disconnect during shutdown
- Forward and backward current limit
Two device options:
- TPS63810: Pre-programmed output voltages (3.3 V, 3.45 V)
- TPS63811: Program output voltages prior to start-up
Solution size of < 20 mm² with only four external components

System pre-regulator (smartphone, tablet, tracking and telematics, EPOS, TWS earphones, medical hearing aids)
Point-of-load regulation (Time-of-Flight camera sensors, port/cable adapter and dongle)
Thermoelectric device supply (TEC, optical modules)
Broadband network radio or SoC supply (IoT, home automation, EPOS)