Texas Instruments TPS54J060RPGR

Overview

TPS54J060RPGR from Texas Instruments is a synchronous step-down DC/DC converter delivering up to 6 A continuous output current, operating from 4 V to 16 V input (or 2.7 V with external bias), featuring D-CAP3™ adaptive on-time control, 0.9 V ±1% reference voltage over –40°C to +125°C, and selectable switching frequencies of 600 kHz / 1100 kHz / 2200 kHz. It serves as a high-efficiency, space-constrained POL regulator in server and networking power rails.

For engineers reviewing the TPS54J060RPGR datasheet, TPS54J060RPGR pinout, TPS54J060RPGR application, or TPS54J060RPGR equivalent, key selection considerations include its integrated 22 mΩ HS / 8.5 mΩ LS MOSFETs, programmable current limit via TRIP pin, open-drain PGOOD output, safe prebiased start-up, and compatibility with all-ceramic output capacitors without external compensation.

Technical Context

The TPS54J060RPGR implements D-CAP3™ control using an internal ripple generation network that emulates inductor current for fast load-step response-eliminating need for external phase compensation while enabling stable operation with low-ESR ceramic capacitors. Its adaptive on-time architecture dynamically adjusts switching frequency during transients while maintaining nominal frequency under steady state.

It integrates dual power MOSFETs, a 3-V internal LDO (with external 3.3 V bias option), programmable soft-start via SS/REFIN pin, and latch-off protection for overcurrent, undervoltage, and overvoltage faults. The MODE pin selects between forced CCM and Eco-mode (skip) operation, directly setting one of three fixed switching frequencies based on resistor-to-ground value.

Key Specifications

Pinout & Package

TPS54J060RPGR is housed in a 14-pin VQFN-HR (HotRod™) package, 2 mm × 3 mm, with exposed thermal pad on bottom and 0.5 mm pitch. The package supports high-density PCB layouts and enhanced thermal dissipation via bottom-side copper connection.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar synchronous buck converter applications.

Compared with TPS54J060RPGR, TPS546C23RMLR offers identical control architecture but trades footprint and thermal performance for higher integration of current sensing; MP2315GJ-Z reduces size and cost but sacrifices critical system-level features including PGOOD, programmable OCP, and prebias safety-making TPS54J060RPGR the optimal choice for high-reliability, thermally constrained POLs.

Availability

TPS54J060RPGR is available at Aetrix Electronics and suitable for server point-of-load regulation, networking ASIC core supplies, and industrial PC power management requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for TPS54J060RPGR 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 and embedded processing technologies, with decades of expertise in power management IC design and manufacturing.

The TPS54J060RPGR belongs to TI's D-CAP3™ synchronous buck converter product line, engineered specifically for high-current, low-voltage POL applications in datacenter, telecom, and industrial computing where fast transient response, small form factor, and thermal efficiency are critical.

FAQ

What input voltage range does the TPS54J060RPGR support with and without external bias?

The TPS54J060RPGR supports 4 V to 16 V input when powered solely from VIN, and extends down to 2.7 V when an external 3.3 V ±5% bias is applied to the VCC pin. This dual-input capability enables flexible system-level power architecture-such as using a dedicated bias rail to improve light-load efficiency or accommodate lower-voltage intermediate bus designs-while maintaining full 6 A output capability across the extended range. The TPS54J060RPGR's internal LDO and bias-handling circuitry ensure seamless transition between modes without sequencing complications.

How is the current limit programmed on the TPS54J060RPGR?

The TPS54J060RPGR uses the TRIP pin to set the valley overcurrent protection threshold via a single resistor to AGND. With RTRIP = 4.99 kΩ, the device delivers a nominal 6 A current limit (5.1–6.9 A over temperature and process). The relationship follows IOCL = KOCL / RTRIP, where KOCL = 30,000 (±10% for RTRIP ≤ 4.99 kΩ). This resistor-based programming allows precise, board-level tuning of fault thresholds without firmware or digital interfaces-critical for meeting safety standards in server and industrial applications using the TPS54J060RPGR.

Does the TPS54J060RPGR require external compensation components?

No, the TPS54J060RPGR does not require external compensation components. Its D-CAP3™ control architecture embeds an internal ripple generation network that emulates inductor current, enabling stable loop operation with all-ceramic output capacitors and eliminating the need for external RC networks or type-II/type-III compensators. This simplifies design, reduces BOM count, and improves reliability-verified across the full 0.9 V to 5.5 V output range and all supported switching frequencies (600/1100/2200 kHz) in the TPS54J060RPGR datasheet.

What is the purpose of the SS/REFIN pin on the TPS54J060RPGR?

The SS/REFIN pin on the TPS54J060RPGR serves two distinct functions: (1) connecting a capacitor to AGND sets the internal soft-start time (minimum 1 ms, typically 1.5 ms with 1 nF); (2) applying an external voltage (0.5–1.2 V) enables output voltage tracking for multi-rail sequencing. During startup, the TPS54J060RPGR actively discharges this pin via internal 100 Ω/300 Ω paths to ensure monotonic ramp-up-even when precharged-making it essential for reliable power sequencing in complex systems using the TPS54J060RPGR.

Can the TPS54J060RPGR safely start into a precharged output?

Yes, the TPS54J060RPGR supports safe prebiased start-up. Its internal circuitry detects precharged output conditions and disables reverse current flow through the low-side MOSFET during startup-preventing damage to upstream sources or downstream loads. This behavior is enabled by default and requires no configuration. Combined with the slow output discharge function (80 Ω internal path) upon shutdown, the TPS54J060RPGR ensures robust rail sequencing in multi-converter systems such as networking line cards and server motherboards where staggered power-up is mandatory.