MSPS003F4SPW20R – MSPS003 family 24-MHz MCU with 9 ADC channels in TSSOP-20

• TSSOP-20 with ~17 GPIO for practical wiring and debugging.
• Nine 12-bit ADC channels (to 1.5 Msps) for multi-sensor builds.
• Same low-power DNA and software feel as MSPM0C110x for easy migration.

Texas Instruments MSPS003F4SPW20R Microcontroller (TSSOP-20) Overview

MSPS003F4SPW20R slots into the MSPS003 family as a TSSOP-20 orderable aimed at cost-sensitive, leaded-assembly designs and education/rapid prototyping. Compared with MSPM0C1104, it keeps the same 24-MHz Arm® Cortex®-M0+, 16KB Flash / 1KB SRAM, and low-power DNA, while offering 9 external ADC channels (family-compatible 12-bit up to 1.5 Msps) and ~17 GPIO in a leaded package many teams already standardize on.

If your boards, fixtures, or contract manufacturer are set up around TSSOP footprints, this device minimizes mechanical change while preserving the familiar MSPM0-class software model and serial I/O (UART / I²C FM+ / SPI ≤12 Mbps)—plus ADC DMA support to shrink active time and energy.

Highlights (what’s unique about the TSSOP choice)

• Leaded, serviceable form factor: TSSOP-20 is friendly for AOI/visual inspection, rework, and hand-solder in labs and low volumes—great for academia and pilot builds.

• Proto-to-production continuity: the same footprint works across breadboard-style adapter boards, training kits, and costed production PCBs.

• Balanced I/O without fine-pitch headaches: ~17 GPIO and 9 ADC channels give practical headroom for sensor hubs, indicators, and PWMs—without QFN/WQFN assembly demands.

• Cost-optimized BOM: reuse existing TSSOP sockets, in-circuit test jigs, and assembly lines to shorten validation cycles.

Specifications

Applications

• Cost-effective control in white goods & tools — indicators, button/key scans, triac/MOSFET drive supervision, utility sensing.

• Sensor aggregation nodes in TSSOP ecosystems — 9-ch ADC simplifies multi-probe or multi-rail monitoring.

• Education / launchpad-style prototyping — easy soldering, socketing, and probing for labs and workshops.

• Gateway/bridge boards — UART/I²C/SPI bridging, simple protocol translation, and logging.

• General-purpose controllers — fans, buzzers, and LED drivers alongside a few analog channels.

Three quick features

1. TSSOP-20 with ~17 GPIO for practical wiring and debugging.

2. Nine 12-bit ADC channels (to 1.5 Msps) for multi-sensor builds.

3. Same low-power DNA and software feel as MSPM0C110x for easy migration.

Design guidance (tuned for TSSOP builds)

• Education/lab friendly: gull-wing leads tolerate repeated rework; footprints drop onto common TSSOP-to-DIP adapters for benchtop bring-up.

• Mixed-signal routing: dedicate one side of the device to ADC inputs with a quiet return; place PWM/CS/CLK escapes on the opposite side to reduce coupling.

• Power integrity: standard decoupling close to VDD; add a small bulk capacitor near the MCU when many GPIOs/PWMs toggle.

• Test access: keep UART or SWD on a 3–4 pad header; TSSOP pin access makes pogo-pin fixtures straightforward.

• Thermal/common-mode control: wide ground pours and a short return to the sensor ground reference help the ADC maintain repeatability.

Positioning vs. MSPM0C1104 package options

• vs. SOT-8/WSON-8: far more practical I/O (GPIO + ADC) and easier manual/low-volume assembly; slightly larger footprint.

• vs. SOT-16: comparable I/O headroom, but TSSOP-20 is often the standard classroom/bench footprint, easing adapter and socket reuse.

• vs. VSSOP-20 / WQFN-20: TSSOP is taller and less dense but shines in AOI/rework and when your factory lines already prefer leaded packages.

Power & firmware notes

• Event-driven loops: pair ADC + DMA to burst-sample quickly, process, and drop back to low-power.

• Crystal-less default: SYSOSC @ 24 MHz covers many designs; add an external reference only if your comms/timing budget demands it.

• Run-current budgeting: plan around typical M0+ active plus peripheral current; shorten active windows with DMA and timer-driven scheduling.

Summary

MSPS003F4SPW20R is your TSSOP-native, budget-friendly path to 24-MHz mixed-signal control: nine 12-bit ADC channels, ~17 GPIO, familiar UART/I²C/SPI, and the low-power behavior you expect—delivered in a leaded package that simplifies labs, education, and cost-optimized production lines. If you want the MSPM0-class experience without changing out your TSSOP ecosystem, this is the one.