Texas Instruments TPS60110PWPRG4

Overview

TPS60110PWPRG4 from Texas Instruments is a regulated 5-V ±4% step-up charge pump DC/DC converter for battery-powered systems, delivering up to 300 mA output current from 2.7–5.4 V input (e.g., single Li-ion or three alkaline cells), with <10 mV_PP output ripple in constant-frequency mode and only four external ceramic capacitors required.

For engineers reviewing the TPS60110PWPRG4 datasheet, TPS60110PWPRG4 pinout, TPS60110PWPRG4 application, or TPS60110PWPRG4 equivalent, key selection criteria include its inductorless architecture, dual-mode operation (pulse-skip vs. constant-frequency), thermal performance in the PowerPAD™ TSSOP-20 package, and compatibility with low-ESR X5R/X7R ceramic capacitors for portable medical instruments and handheld instrumentation.

Technical Context

The TPS60110PWPRG4 implements a push-pull dual single-ended charge pump topology operating at 300 kHz (internal clock) or externally synchronized up to 800 kHz, using two flying capacitors (C1F/C2F) and internal 1.22 V bandgap reference with on-chip feedback divider. Its control circuit dynamically adjusts gate drive to regulate output voltage via error amplifier feedback to MOSFET switches.

It supports two selectable operating modes: pulse-skip mode (SKIP = high) for ultra-low quiescent current (2.8 mA typ. at light load) and constant-frequency mode (SKIP = low) for minimal output ripple (10 mV_PP typ.); COM pin selects push-pull (low ripple) or single-ended (board-space optimized) configuration, while ENABLE provides 0.05 µA shutdown current and load isolation.

Key Specifications

Pinout & Package

The TPS60110PWPRG4 is housed in a thermally enhanced 20-pin TSSOP PowerPAD™ (PWP) package with an exposed thermal pad soldered to PGND for efficient heat dissipation (R_θJA = 33°C/W with thermal vias). Pin count and layout match TI's standard PWP footprint for drop-in compatibility across the TPS601xx family.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar regulated charge pump DC/DC converter applications.

Compared with TPS60111PWPR, the TPS60110PWPRG4 delivers 100% higher output current in identical footprint and thermal performance; versus MAX862ESA+, it offers superior ripple control, flexible mode selection, and robust thermal management-critical for sustained 300 mA loads in compact enclosures.

Availability

TPS60110PWPRG4 is available at Aetrix Electronics and suitable for battery-powered microprocessor systems, handheld medical instrumentation, and portable test & measurement equipment requiring stable component supply, long-lifecycle support, and guaranteed authentic sourcing from Texas Instruments.

Supply support for TPS60110PWPRG4 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 ICs, with decades of expertise in high-efficiency DC/DC conversion and battery management solutions.

The TPS601xx family was designed specifically for space-constrained, battery-powered applications demanding regulated, inductorless voltage boosting-targeting portable instrumentation, medical devices, and handheld computing where EMI, size, and efficiency are critical.

FAQ

What is the maximum continuous output current of the TPS60110PWPRG4?

The TPS60110PWPRG4 delivers up to 300 mA continuous output current when supplied from a 3 V input, as specified in the electrical characteristics table under IO(MAX). At higher input voltages (e.g., 5.4 V), output current capability remains stable due to internal current-limit protection, but thermal limits in the PWP package constrain sustained operation-derating is required above 70°C ambient per the dissipation rating table. The TPS60110PWPRG4 achieves this without inductors, relying on dual flying capacitors and synchronous MOSFET switching.

How does the TPS60110PWPRG4 achieve low output voltage ripple without an inductor?

The TPS60110PWPRG4 achieves low output voltage ripple (<10 mV_PP) through its push-pull dual single-ended charge pump architecture: two independent charge pumps operate 180° out-of-phase, ensuring continuous current transfer to the output capacitor (CO). This cancels ripple components inherent in single-stage charge pumps. Combined with constant-frequency mode (SKIP = low) and optimized ceramic capacitor selection (e.g., 22 µF + 10 µF X5R), the TPS60110PWPRG4 maintains tight regulation without magnetic components-ideal for EMI-sensitive portable designs.

Can the TPS60110PWPRG4 be synchronized to an external clock?

Yes, the TPS60110PWPRG4 supports external clock synchronization: connect SYNC to IN and feed a square-wave signal (400–800 kHz) to CLK. The internal switching frequency becomes half the external clock frequency, enabling precise EMI frequency placement and noise avoidance in systems with strict spectral requirements. External sync is recommended only in constant-frequency mode (SKIP = low) to preserve predictable ripple behavior; the TPS60110PWPRG4 datasheet specifies 20–80% duty cycle tolerance and requires proper decoupling of the CLK input.

What is the purpose of the COM pin on the TPS60110PWPRG4?

The COM pin on the TPS60110PWPRG4 selects between push-pull (COM = low) and single-ended (COM = high) charge pump operation. In push-pull mode, the two internal charge pumps operate 180° out-of-phase, minimizing output ripple and enabling higher output current. In single-ended mode, both pumps operate in parallel, reducing required board space by allowing one shared flying capacitor (CF = C1F + C2F), though at the cost of higher ripple. The COM pin must not float and should be tied to GND or IN with appropriate logic level.

Does the TPS60110PWPRG4 provide load isolation during shutdown?

Yes, the TPS60110PWPRG4 provides true load isolation during shutdown: when ENABLE is driven low, all internal MOSFET switches disable, the oscillator halts, and the output disconnects from the input. This results in ≤1 µA output leakage current and 0.05 µA typical supply current, preserving battery energy and preventing backfeed into the regulator. The TPS60110PWPRG4 exits shutdown in ~20 µs upon ENABLE assertion, making it suitable for rapid wake/sleep cycles in portable instrumentation and medical devices.