Texas Instruments TPS63000DRCR

Overview

TPS63000DRCR from Texas Instruments is a high-efficiency, single-inductor buck-boost DC-DC converter optimized for battery-powered systems. It delivers up to 1200 mA at 3.3 V from input voltages between 1.8 V and 5.5 V, supports automatic transition between step-down and boost modes, achieves up to 96% efficiency, and operates across –40°C to 85°C ambient temperature-enabling use in portable medical devices and smart phones.

For engineers reviewing the TPS63000DRCR datasheet, TPS63000DRCR pinout, TPS63000DRCR application, or TPS63000DRCR equivalent, key selection criteria include its 1.8–5.5 V input range, fixed 3.3 V output (TPS63001 variant), 10-pin VSON package, power-save mode operation, and integrated 1.8-A synchronous switches-critical for compact, wide-input battery regulation designs.

Technical Context

The TPS63000DRCR employs an average current-mode control architecture with dual-loop regulation: a fast inner current loop stabilizes inductor current, while an outer voltage loop maintains precise output regulation via FB feedback. Input and output voltage feedforward enables rapid transient response during input or load changes.

Its 4-switch synchronous topology dynamically configures two MOSFETs as active switching elements and two as rectifying or static switches-ensuring optimal conduction and switching loss distribution across buck, boost, and buck-boost boundary regions. The device uses separate GND (control) and PGND (power) pins to minimize ground shift under high-current switching.

Key Specifications

Pinout & Package

TPS63000DRCR is housed in a thermally enhanced 3-mm × 3-mm, 10-pin VSON (DRC) package with an exposed thermal pad connected to PGND. This package supports high-power density PCB layouts and efficient heat dissipation via bottom-side copper thermal vias.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar buck-boost regulator applications.

Compared with TPS63000DRCR, TPS63020DSJR offers higher current headroom and smaller size but lacks fixed 3.3 V option, while MAX77827BEWL+T adds programmability and monitoring at the expense of design simplicity and bill-of-materials cost.

Availability

TPS63000DRCR is available at Aetrix Electronics and suitable for portable medical devices, smart phones, personal audio players, and white LED backlighting applications requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.

Supply support for TPS63000DRCR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and power management technologies, with over 90 years of innovation in high-reliability electronic components.

The TPS6300x product line was designed specifically for ultra-efficient, wide-input-range DC-DC conversion in battery-powered portable electronics-addressing the need for single-chip solutions that replace discrete buck + boost combinations without sacrificing efficiency or thermal performance.

FAQ

What is the output voltage configuration of the TPS63000DRCR?

The TPS63000DRCR features a fixed 3.3 V output voltage, internally trimmed and factory-set. Unlike adjustable variants (e.g., TPS63000), it does not require external feedback resistors-FB pin must be connected directly to VOUT per the datasheet. This eliminates tuning errors and reduces component count, making TPS63000DRCR ideal for cost-sensitive, high-volume portable designs where 3.3 V is the standard I/O rail.

Does the TPS63000DRCR support automatic mode transition between buck and boost?

Yes, the TPS63000DRCR automatically transitions between step-down and boost operation without external control or mode pins. When input voltage drops below 3.3 V, it seamlessly enters boost mode; when VIN rises above 3.3 V, it reverts to buck mode-all while maintaining tight output regulation. This behavior is inherent to its 4-switch synchronous topology and average current-mode controller, ensuring uninterrupted power delivery across the full 1.8–5.5 V input range.

How does the TPS63000DRCR manage thermal performance in compact layouts?

The TPS63000DRCR uses a 3-mm × 3-mm VSON package with an exposed thermal pad connected to PGND, enabling efficient heat transfer to the PCB. With a junction-to-board thermal resistance (R_θJB) of 21.4°C/W, it supports continuous 1200 mA output in typical 2-layer boards using ≥4 thermal vias under the pad. Its 96% peak efficiency and power-save mode further reduce thermal load at light loads-critical for sealed consumer enclosures.

Can the TPS63000DRCR be synchronized to an external clock?

Yes, the PS/SYNC pin on the TPS63000DRCR accepts an external clock signal (1.25–1.8 MHz) to synchronize switching frequency. When driven with a logic-level clock, the internal PLL locks to the input-enabling EMI reduction through frequency dithering or alignment with system clocks. This capability is retained even if the external clock is temporarily lost, thanks to PLL robustness specified in the datasheet.

What protection features are integrated into the TPS63000DRCR?

The TPS63000DRCR integrates overtemperature protection (shuts down at 140°C, restarts at 120°C), undervoltage lockout (VINA <1.7 V disables operation), and short-circuit current limiting (soft-start limits initial current to ~400 mA). During shutdown, it fully disconnects the load from the input-reducing leakage to ≤1 µA. These features eliminate the need for external protection circuitry in most battery-powered applications.