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TPS631010 High-Efficiency Buck-Boost Converter
Texas Instruments' converter provides a power-supply solution for pre-regulators and voltage stabilizers in a small wafer chip scale package
Texas Instruments' TPS631010 is a constant frequency peak current mode control buck-boost converter in a tiny wafer chip scale package. The converter has a 3 A peak current limit (typical), an input voltage range of 1.6 V to 5.5 V, and provides a power-supply solution for system pre-regulators and voltage stabilizers. Depending on the input voltage, the TPS631010 automatically operates in boost, buck, or 3-cycle buck-boost mode when the input voltage is approximately equal to the output voltage.
The transitions between modes happen at a defined duty cycle and avoid unwanted toggling within the modes to reduce output voltage ripple. The quiescent current of 8 μA and power-save-mode power enable very high efficiency for light to no-load conditions. The device offers a very small solution size in a WCSP package.
- Input voltage range: 1.6 V to 5.5 V
- Input voltage for startup: >1.65 V
- Output voltage range: 1.2 V to 5.5 V adjustable
- High output current capability and 3 A peak switch current:
- Output current: 2 A for VIN ≥3 V and VOUT = 3.3 V
- Output current: 1.5 A for VIN ≥2.7 V and VOUT = 3.3 V
- High efficiency over the entire load range:
- Quiescent current: 8 μA (typ.)
- Automatic power-save-mode and forced-PWM mode configurable
- Small solution size: 1.803 mm x 0.905 mm in a WCSP package
- Create a custom design with the WEBENCH® Power Designer
- Peak current buck-boost mode architecture:
- Seamless mode transition
- Forward and reverse current operation
- Start-up into pre-biased outputs
- Fixed-frequency operation with 2 MHz switching
- Safety and robust operation features:
- Overcurrent protection and short-circuit protection
- Integrated soft-start with active ramp adoption
- Overtemperature protection and overvoltage protection
- True shutdown function with load disconnect
- Forward and backward current limit
- TWS
- System pre-regulators: smartphones, tablets, terminals, and telematics
- Point-of-load regulation: wired sensors, port/cable adapters, and dongles
- Fingerprints and camera sensors: electronic smart locks and IP network cameras
- Voltage stabilizers: datacom, optical modules, and cooling/heating
TPS631010 Buck-Boost Converter
| Image | Manufacturer Part Number | Description | Function | Output Configuration | Topology | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
 |  | TPS631010YBGR | IC REG BUCK BST ADJ 1.5A 8DSBGA | Step-Up/Step-Down | Positive | Buck-Boost | 31530 - Immediate | $1.47 | View Details |
Evaluation Board
| Image | Manufacturer Part Number | Description | Main Purpose | Outputs and Type | Power - Output | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
|  | TPS631010EVM-109 | EVAL BOARD FOR TPS631010 | DC/DC, Step Up or Down | 1 Non-Isolated Output | - | 6 - Immediate | $70.80 | View Details |
Hong Kong, China