Texas Instruments TPS60201DGS

Overview

TPS60201DGS from Texas Instruments is a regulated 3.3 V, 100-mA charge pump DC/DC converter for battery-powered systems operating from 1.6 V to 3.6 V input. It delivers low-ripple output (≤5 mV_PP) using push-pull topology, integrates a power-good (PG) detector, and achieves up to 90% efficiency with only four external ceramic capacitors - ideal for space-constrained portable instrumentation and medical devices.

For engineers reviewing the TPS60201DGS datasheet, TPS60201DGS pinout, TPS60201DGS application, or TPS60201DGS equivalent, key selection considerations include its 10-pin MSOP package, open-drain PG output activation at ~90% of 3.3 V, 35 µA quiescent current, auto-discharge on shutdown, and synchronization capability with external clock signals up to 800 kHz.

Technical Context

The TPS60201DGS implements dual single-ended charge pumps operating in 180° phase-shifted push-pull mode to sustain continuous output current transfer and minimize ripple. Its regulation uses pulse-skip mode below 7 mA load and constant-frequency mode above that threshold, dynamically adjusting MOSFET gate drive to maintain 3.3 V ±4% across input and load variations.

It features an integrated power-good comparator with 90% trip point referenced to nominal output voltage, open-drain PG output requiring external pullup, and EN pin supporting three functional modes: shutdown (0.05 µA I_SD), internal oscillator operation, and external clock synchronization - all without inductor usage.

Key Specifications

Pinout & Package

TPS60201DGS is housed in a 10-pin MSOP package (3.00 mm × 3.00 mm body size) with exposed thermal pad (not electrically connected). Pin numbering follows standard top-view orientation; GND pins (1 and 2) provide dual ground paths for improved thermal and noise performance.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TPS60201DGS, TPS60123DR adds dual monitoring capability at the cost of larger footprint and higher complexity, while TPS60101DGSR trades away PG functionality to reduce quiescent consumption - making TPS60201DGS the optimal balance of compactness, reliability signaling, and efficiency across mid-range portable applications.

Availability

TPS60201DGS is available at Aetrix Electronics and suitable for portable medical devices, handheld test equipment, MP3 audio players, and industrial sensor nodes requiring stable component supply, long-term lifecycle support, and consistent parametric performance.

Supply support for TPS60201DGS 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 decades of expertise in precision power conversion and battery-efficient design.

The TPS6020x product line was engineered specifically for ultra-compact, inductorless DC/DC conversion in space- and power-constrained portable electronics - emphasizing low EMI, minimal external components, and robust start-up/shutdown behavior.

FAQ

What is the function of the EN pin on the TPS60201DGS?

The EN pin on the TPS60201DGS serves three distinct operational modes: logic-low disables the device (0.05 µA shutdown current), logic-high enables internal oscillator operation, and AC-coupled external clock input synchronizes switching at 400–800 kHz. During shutdown, TPS60201DGS actively discharges the output capacitor and isolates input from load - critical for system safety and battery preservation.

Does the TPS60201DGS require external resistors for power-good functionality?

Yes - the PG pin on TPS60201DGS is an open-drain output that must be pulled up externally, typically to the TPS60201DGS OUT rail or another compatible logic supply (≤3.6 V), using a resistor between 100 kΩ and 1 MΩ. This ensures valid high-state signaling when the output reaches ≥90% of 3.3 V; leaving PG unconnected renders power-good detection inoperative.

How does the TPS60201DGS achieve low output voltage ripple?

The TPS60201DGS achieves ≤5 mV_PP output ripple through its dual single-ended charge pump architecture operating in 180° push-pull phase alignment - ensuring continuous current delivery to the output capacitor. Combined with optimized internal MOSFET gate drive and tight regulation loop response, this topology eliminates the high-peak currents typical of single-stage charge pumps, directly reducing ripple without requiring external LC filtering.

What is the recommended capacitor configuration for the TPS60201DGS?

TI specifies four ceramic capacitors for TPS60201DGS: 2.2 µF input (Ci), two 1 µF flying capacitors (C1, C2), and 2.2 µF output (Co) - all X5R or X7R dielectric types in 0805 or larger case sizes. These values ensure 100 mA operation with ≤5 mV_PP ripple and stable regulation; deviation risks increased ripple, reduced load capability, or startup failure due to insufficient charge transfer.

Can the TPS60201DGS operate from a single 1.5-V alkaline cell?

No - the TPS60201DGS has a minimum input voltage of 1.6 V and requires ≥1.8 V for guaranteed 100 mA output per datasheet specifications. While it may briefly function near 1.6 V under light load, sustained operation below 1.8 V results in output droop, reduced current capability, and potential instability. Two alkaline cells (nominal 3.0 V, down to ~2.0 V) or two NiMH cells (2.4 V fully charged, ~1.8 V end-of-discharge) are the intended source.