Texas Instruments MSPM0L1306SRHBR

Overview

MSPM0L1306SRHBR from Texas Instruments is an ultra-low-power 32-bit Arm® Cortex®-M0+ microcontroller operating up to 32 MHz, featuring 64 KB flash, 4 KB SRAM, a 12-bit 1.68-Msps ADC with 10 external channels, two zero-drift chopper op-amps (0.5 µV/°C drift), and integrated temperature sensor - deployed in battery-powered smart metering and portable medical devices.

For engineers reviewing the MSPM0L1306SRHBR datasheet, MSPM0L1306SRHBR pinout, MSPM0L1306SRHBR application, or MSPM0L1306SRHBR equivalent, key selection criteria include its –40°C to 125°C extended temperature rating, 1.62–3.6 V supply range, STANDBY mode consuming only 1.0 µA with full SRAM retention and 32-kHz timer active, and 32-pin VQFN (RHB) package with 28 GPIOs including two 5-V-tolerant open-drain I/Os.

Technical Context

The MSPM0L1306SRHBR integrates a high-accuracy ±1.2% internal SYSOSC (4–32 MHz) and ±3% LFOSC (32 kHz), eliminating external crystals. Its analog subsystem enables programmable connections between ADC, OPAs, COMP, and DAC - supporting sensor signal conditioning with on-chip gain (1–32×) and reference selection (1.4 V or 2.5 V).

Digital intelligence includes a 3-channel DMA, four 16-bit timers (eight PWM channels total), event fabric for low-latency peripheral signaling, and dual UARTs with LIN/IrDA/DALI support - all operable in STANDBY mode with sub-µs wakeup (3.2 µs from 32 MHz clock).

Key Specifications

Pinout & Package

Package: 32-pin VQFN (RHB), 5 mm × 5 mm, exposed thermal pad (to be connected to VSS).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MSPM0L1305SRHBR and MSPM0G3507SRHBT, the MSPM0L1306SRHBR delivers optimal balance of analog integration, ultra-low standby power (1.0 µA), and 64 KB flash for field-upgradable firmware - making it ideal for cost-sensitive, battery-operated endpoints where precision sensing and long service life are critical.

Availability

MSPM0L1306SRHBR is available at Aetrix Electronics and suitable for battery charging systems, smart metering endpoints, and portable medical devices requiring stable component supply across extended temperature and voltage ranges.

Supply support for MSPM0L1306SRHBR 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 company delivering analog and embedded processing solutions for industrial, automotive, personal electronics, and communications markets.

The MSPM0L130x product line targets ultra-low-power, cost-optimized applications demanding high analog integration - designed specifically for battery-powered measurement, sensing, and control systems where extended runtime and precision signal conditioning are essential.

FAQ

What is the maximum operating frequency and core architecture of the MSPM0L1306SRHBR?

The MSPM0L1306SRHBR features an Arm Cortex-M0+ CPU core with a maximum operating frequency of 32 MHz. This architecture delivers efficient 32-bit processing with low gate count and power consumption, optimized for real-time control tasks in constrained environments. The internal SYSOSC achieves ±1.2% accuracy across temperature and voltage, enabling reliable timing without external crystals - a key enabler for compact, low-BOM-cost designs using the MSPM0L1306SRHBR.

How does the MSPM0L1306SRHBR achieve ultra-low power consumption in standby mode?

The MSPM0L1306SRHBR achieves 1.0 µA standby current by retaining full SRAM and register state while keeping only the 32-kHz low-frequency oscillator and a single 16-bit timer active. This mode supports rapid 3.2 µs wakeup to full 32 MHz operation, allowing responsive event handling without sacrificing energy efficiency. The design eliminates leakage paths through intelligent power gating and uses chopper-stabilized analog blocks that remain functional at sub-µA levels - a defining characteristic of the MSPM0L1306SRHBR in always-on sensing applications.

What analog peripherals are integrated into the MSPM0L1306SRHBR and how are they utilized?

The MSPM0L1306SRHBR integrates a 12-bit 1.68-Msps ADC with 10 external channels, two zero-drift chopper op-amps (0.5 µV/°C drift, 6 pA bias), one general-purpose amplifier, one high-speed comparator with 8-bit reference DAC, and an on-chip temperature sensor. These are interconnected via a programmable analog mux, enabling flexible signal chains - for example, OPA amplification → ADC sampling → COMP threshold check - all without CPU involvement. This architecture reduces external component count and improves measurement consistency in the MSPM0L1306SRHBR.

Which communication interfaces does the MSPM0L1306SRHBR support and what protocols are enabled?

The MSPM0L1306SRHBR supports two UARTs (with LIN, IrDA, DALI, Smart Card, and Manchester encoding), two I²C interfaces (one FM+ capable at 1 Mbit/s, both supporting SMBus and PMBus), and one SPI interface (up to 16 Mbit/s). All interfaces retain functionality in STANDBY mode and support wakeup events. Protocol flexibility allows the MSPM0L1306SRHBR to serve as a universal interface bridge in heterogeneous systems - such as connecting legacy DALI lighting controls to modern I²C sensor networks or managing PMBus-configurable power supplies.

What package type and pin count does the MSPM0L1306SRHBR use, and what are its key mechanical features?

The MSPM0L1306SRHBR uses a 32-pin VQFN (RHB) package measuring 5 mm × 5 mm with an exposed thermal pad. This RoHS-compliant, leadless package supports automated assembly and offers excellent thermal performance when the pad is soldered to a PCB ground plane. Pin assignments include 28 GPIOs (two 5-V-tolerant open-drain), dedicated ADC inputs (A0–A9), SWD debug pins (SWCLK/SWDIO), and analog-specific terminals (OPA/COMP inputs/outputs) - all documented in the official TI pinout diagram for the MSPM0L1306SRHBR.