Texas Instruments MSPM0L1305SDYYR

Overview

MSPM0L1305SDYYR from Texas Instruments is an ultra-low-power 32-bit Arm® Cortex®-M0+ microcontroller operating up to 32 MHz, featuring 32 KB flash, 4 KB SRAM, a 12-bit 1.68-Msps ADC with 6 external analog inputs, two zero-drift chopper op-amps (0.5 µV/°C drift), and integrated 8-bit reference DAC for the high-speed comparator. It targets battery-powered sensor nodes and compact power management systems.

For engineers reviewing the MSPM0L1305SDYYR datasheet, MSPM0L1305SDYYR pinout, MSPM0L1305SDYYR application, or MSPM0L1305SDYYR equivalent, key selection criteria include its 16-pin SOT package, –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 dual UART/I²C/SPI interfaces supporting LIN, SMBus, and PMBus protocols.

Technical Context

The MSPM0L1305SDYYR implements a single-core Arm Cortex-M0+ CPU with on-chip SYSOSC (±1.2% accuracy) eliminating external crystals. Its analog subsystem integrates programmable connections between ADC, OPAs, COMP, and DAC - enabling sensor signal conditioning without external components.

Digital peripherals include a 3-channel DMA, four 16-bit timers (eight PWM channels total), windowed watchdog, and event fabric for low-latency inter-peripheral signaling. All communication interfaces retain wakeup capability from STOP and STANDBY modes, critical for intermittent sensing applications.

Key Specifications

Pinout & Package

Package: 16-pin SOT (DYY), 4.2 mm × 2.0 mm, 0.65 mm pitch, exposed thermal pad recommended to be connected to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSPM0L1306SDYYR, the MSPM0L1305SDYYR trades flash capacity for cost-sensitive designs while retaining identical analog performance and low-power behavior; versus STM32G031F8P6, it delivers superior integrated analog functionality at lower active and standby power, albeit with reduced clock speed and memory.

Availability

MSPM0L1305SDYYR is available at Aetrix Electronics and suitable for battery charging control, smart power delivery, and industrial sensor node applications requiring stable component supply, long-term manufacturability, and guaranteed extended temperature operation.

Supply support for MSPM0L1305SDYYR 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 specializing in analog and embedded processing technologies, with leadership in low-power MCUs, precision analog, and power management ICs.

The MSPM0L130x series is part of TI's ultra-low-power MSPM0 family, designed specifically for cost-sensitive, battery-operated, and thermally constrained applications demanding high analog integration and robust industrial temperature operation.

FAQ

What is the maximum operating frequency and core type of the MSPM0L1305SDYYR?

The MSPM0L1305SDYYR features an Arm Cortex-M0+ CPU core with a maximum operating frequency of 32 MHz. This core delivers efficient 32-bit processing with low power consumption and supports Thumb-2 instruction set for compact code size. The internal SYSOSC achieves ±1.2% accuracy across temperature and voltage, eliminating need for external crystal. MSPM0L1305SDYYR maintains full peripheral functionality at all frequencies within this range.

How many analog input channels does the MSPM0L1305SDYYR support, and what ADC resolution is provided?

The MSPM0L1305SDYYR supports six external analog input channels (A0–A5) through its 12-bit successive-approximation ADC, which operates at up to 1.68 Msps. It also includes configurable internal voltage references (1.4 V or 2.5 V) and an integrated temperature sensor. The ADC is directly connected to the analog mux, allowing flexible routing from OPAs and COMP outputs - MSPM0L1305SDYYR enables high-fidelity sensor data acquisition without external signal conditioning.

Does the MSPM0L1305SDYYR include integrated operational amplifiers, and what are their key specifications?

Yes, the MSPM0L1305SDYYR integrates two zero-drift, zero-crossover chopper operational amplifiers (OPA0 and OPA1). Each offers 0.5 µV/°C input offset drift, 6-pA input bias current, and a programmable gain stage (1× to 32×). These OPAs support rail-to-rail input/output and can be configured as transimpedance amplifiers or differential receivers - MSPM0L1305SDYYR uses them for precision sensor signal conditioning in battery-constrained environments.

What low-power modes are available on the MSPM0L1305SDYYR, and what is the lowest current draw?

The MSPM0L1305SDYYR supports RUN, STOP, STANDBY, and SHUTDOWN modes. Its lowest active-retention mode is STANDBY, drawing just 1.0 µA while retaining full SRAM and register contents and running a 32-kHz timer. In SHUTDOWN mode, current drops to 61 nA with IO wakeup capability. All modes support fast wakeup - MSPM0L1305SDYYR achieves 32-MHz CPU restart in 3.2 µs from STANDBY, critical for responsive sensor edge processing.

What communication interfaces are integrated into the MSPM0L1305SDYYR, and do they support low-power operation?

The MSPM0L1305SDYYR integrates two UARTs (one supporting LIN, IrDA, DALI), two I²C interfaces (one FM+ capable at 1 Mbit/s), and one SPI (up to 16 Mbit/s). All interfaces retain wakeup capability from STOP and STANDBY modes, and support protocol-specific low-power features like I²C SMBus timeout and UART automatic baud rate detection. MSPM0L1305SDYYR uses these to maintain connectivity while minimizing energy use in intermittently active systems.