Texas Instruments M0L1305QRGERQ1

Overview

M0L1305QRGERQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified 32-bit Arm® Cortex®-M0+ microcontroller operating up to 32 MHz, featuring 32KB flash, 4KB SRAM, a 12-bit 1.68-Msps ADC with 9 external channels, two zero-drift chopper op-amps, and integrated temperature sensing - deployed in steering wheel systems and door handle modules.

For engineers reviewing the M0L1305QRGERQ1 datasheet, M0L1305QRGERQ1 pinout, M0L1305QRGERQ1 application, or M0L1305QRGERQ1 equivalent, key selection criteria include its 24-pin VQFN (RGE) package, -40°C to +125°C operation, 1.62–3.6 V supply range, ultra-low-power STANDBY mode (1.0 µA), and functional safety documentation support.

Technical Context

The M0L1305QRGERQ1 integrates a 32-MHz Arm Cortex-M0+ core with on-chip SYSOSC (±1.2% accuracy) eliminating external crystals, and supports intelligent low-power operation across RUN (71 µA/MHz), STOP (44 µA at 32 kHz), STANDBY (1.0 µA with 32-kHz timer active), and SHUTDOWN (61 nA) modes. Its analog subsystem includes programmable gain (1–32×) for OPA0/OPA1, configurable 1.4-V/2.5-V internal VREF, and a high-speed comparator with 8-bit reference DAC and 32-ns propagation delay.

Digital peripherals include four 16-bit timers (eight PWM channels total), three-channel DMA, event fabric signaling, windowed watchdog, and dual UART/I²C/SPI interfaces - with UART0/UART1 supporting LIN, IrDA, and Smart Card protocols, and I²C0/I²C1 compliant with SMBus/PMBus and wakeup from STOP.

Key Specifications

Pinout & Package

Package: 24-pin VQFN (RGE), 4 mm × 4 mm, wettable flanks, thermal pad connected to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSPM0L1306QRGERQ1, the M0L1305QRGERQ1 offers optimized cost for mid-complexity automotive nodes with 32KB flash headroom, while TLV320ADC3120IRGET serves a fundamentally different role as a standalone converter requiring external intelligence.

Availability

M0L1305QRGERQ1 is available at Aetrix Electronics and suitable for automotive body electronics, steering wheel systems, and door handle modules requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for M0L1305QRGERQ1 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 delivering analog, embedded processing, and connectivity solutions with deep automotive expertise and AEC-Q100 validation infrastructure.

The MSPM0L130x-Q1 product line targets cost-sensitive, ultra-low-power automotive microcontrollers for body electronics and sensor nodes, emphasizing integrated analog front-ends and functional safety readiness.

FAQ

What is the maximum operating frequency of the M0L1305QRGERQ1?

The M0L1305QRGERQ1 features an Arm Cortex-M0+ CPU with a maximum operating frequency of 32 MHz. This clock speed is achieved using the internal 4–32 MHz SYSOSC oscillator, which maintains ±1.2% accuracy across temperature and voltage - eliminating the need for an external crystal while ensuring deterministic real-time performance in automotive timing-critical functions such as LIN frame generation or PWM motor control within the M0L1305QRGERQ1.

Does the M0L1305QRGERQ1 support LIN communication?

Yes, the M0L1305QRGERQ1 supports LIN communication through UART0, which is explicitly configured for LIN protocol operation per the device datasheet. The UART includes hardware LIN break detection and synchronization capabilities, and operates in low-power STANDBY mode with wakeup on LIN header - enabling always-on LIN slave functionality in door modules or seat controllers using the M0L1305QRGERQ1.

How many analog input channels does the M0L1305QRGERQ1 ADC support?

The M0L1305QRGERQ1 integrates a single 12-bit ADC with up to 9 external analog input channels (A0–A8), as confirmed in the Device Comparison table and Pin Attributes section for the RGE package. This matches the pin count and analog multiplexer configuration of the 24-pin VQFN variant, and is distinct from the 10-channel version offered in larger packages - making the M0L1305QRGERQ1 suitable for compact sensor nodes where 9 inputs meet system requirements.

What low-power modes are available on the M0L1305QRGERQ1?

The M0L1305QRGERQ1 offers four defined low-power modes: RUN (71 µA/MHz), STOP (44 µA at 32 kHz), STANDBY (1.0 µA with 32-kHz timer active and full SRAM retention), and SHUTDOWN (61 nA with IO wakeup). These modes are hardware-controlled and documented in Section 8.2 of the datasheet, enabling precise power budgeting for automotive applications like kick-to-open modules where the M0L1305QRGERQ1 must sustain multi-year battery life while responding within microseconds.

Is the M0L1305QRGERQ1 pin-compatible with other MSPM0L130x-Q1 variants in the same package?

Yes, the M0L1305QRGERQ1 is pin-compatible with MSPM0L1304QRGERQ1 and MSPM0L1306QRGERQ1 in the 24-pin VQFN (RGE) package - sharing identical pin count, pinout, electrical characteristics, and package dimensions. This allows direct substitution during design iteration or production ramp, provided firmware accommodates differences in flash size (16KB/32KB/64KB) and ADC channel count (6/9/9), as verified in Table 5-1 and Figure 6-4 of the datasheet for the M0L1305QRGERQ1.