My Inquiry
My Account
Texas Instruments MSP430G2553IPW8RQ1
- Part No.:
- MSP430G2553IPW8RQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430G2553IPW8RQ1.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 28TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,370
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MSP430G2553IPW8RQ1 from Texas Instruments is an AEC-Q100 qualified automotive-grade 16-bit RISC microcontroller with 16 KB flash, 512 B RAM, 10-bit 200-ksps ADC, two 16-bit Timer_A modules, USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C), and up to 24 capacitive-touch I/O pins. It operates from 1.8 V to 3.6 V and supports ultra-low-power operation: 230 µA active at 1 MHz/2.2 V, 0.5 µA standby, and 0.1 µA off mode with RAM retention - deployed in battery-powered vehicle sensor nodes and body electronics.
For engineers reviewing the MSP430G2553IPW8RQ1 datasheet, MSP430G2553IPW8RQ1 pinout, MSP430G2553IPW8RQ1 application, or MSP430G2553IPW8RQ1 equivalent, key selection criteria include its Q1 automotive qualification, TSSOP-28 package with Port P3 support, integrated LIN-capable UART for in-vehicle communication, capacitive-touch I/O capability, and Spy-Bi-Wire debug interface - all critical for cost-sensitive, safety-conscious automotive subsystems requiring long-term supply stability and low quiescent current.
Technical Context
The MSP430G2553IPW8RQ1 implements a 16-bit CPU with seven addressing modes, constant generators, and 16 general-purpose registers enabling single-cycle register operations. Its clock system integrates a digitally controlled oscillator (DCO) calibrated to ±3% over voltage/temperature, internal VLO (12 kHz), 32-kHz crystal support (XT1), and external digital clock input - enabling sub-1-µs wakeup from LPM3/LPM4.
Peripherals are memory-mapped and fully accessible via standard instructions. The device features dual USCI modules supporting simultaneous asynchronous (LIN-compliant UART) and synchronous (I²C/SPI) communication, a comparator_A+ with eight channels for slope ADC or analog signal comparison, and Timer_A modules with capture/compare functionality across three registers each - all synchronized to the same clock domain and interrupt vector table.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 62.5-ns instruction cycle time and constant generators for optimized code density |
| Flash / RAM | 16 KB flash (512-byte segments) + 512 B RAM - sufficient for LIN stack, sensor fusion, and EEPROM-emulation routines |
| ADC Performance | 10-bit, 200-ksps SAR ADC with internal reference, sample-and-hold, autoscan, and 8-channel input multiplexing |
| Power Modes | Five low-power modes including LPM4 (0.1 µA) - enables multi-year operation on coin-cell batteries in parked-state monitoring |
| Communication | USCI_A0 (LIN-capable UART, IrDA, SPI) + USCI_B0 (I²C, SPI) - supports dual-bus sensor interfacing and diagnostic communication |
| Capacitive Touch | Up to 24 GPIO pins support capacitive touch sensing without external components - reduces BOM for door handle or console controls |
| Debug Interface | Spy-Bi-Wire (2-wire JTAG) with on-chip emulation logic - enables in-system programming and real-time debugging with minimal PCB footprint |
Pinout & Package
TSSOP-28 (PW) package, 9.7 mm × 4.4 mm body size, 0.65 mm pitch; includes dedicated Port P3 (pins 8–21) for expanded timer I/O and crystal oscillator support (XIN/XOUT on P2.6/P2.7).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, DVCC | Digital supply voltage input | 1.8–3.6 V core power rail; decoupling required within 10 mm of pin |
| 2, P1.0/TA0CLK/ACLK/A0/CA0 | Multi-function I/O | Configurable as Timer0_A clock input, ACLK output, ADC channel 0, or comparator input - shared resource requiring software pinmux control |
| 8–21, P3.0–P3.7 | General-purpose I/O with timer functions | Exclusive to 28-pin package; enables TA0.2/TA1.0/TA1.1/TA1.2 outputs and crystal oscillator routing - not available on 20-pin variants |
| 24, RST/NMI/SBWTDIO | Reset & debug data I/O | Active-low reset input, non-maskable interrupt, and bidirectional Spy-Bi-Wire data line - requires external pullup for reliable reset assertion |
| 25, TEST/SBWTCK | Debug clock input | Test mode select during programming; provides Spy-Bi-Wire clock signal - must be driven low during normal operation |
| 26–27, XOUT/P2.7, XIN/P2.6 | Crystal oscillator terminals | Supports 32.768 kHz watch crystal; XIN is input, XOUT is buffered output - internal load caps enabled via UCSCTL6 register |
| 28, DVSS | Digital ground reference | Primary return path for digital I/O and core logic; must be connected to low-impedance ground plane |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 2 qualification | Validated for −40°C to +105°C ambient operation with HTOL, TC, and ESD testing - meets automotive electronic module reliability requirements |
| Integrated LIN physical layer support | USCI_A0 UART with automatic baud-rate detection and break detection - eliminates need for external LIN transceiver in Class A/B subsystems |
| Capacitive touch I/O capability | 24 GPIO pins support charge-transfer-based touch sensing using built-in comparator and timers - enables proximity buttons without external ICs |
| Brownout detector with hysteresis | Programmable threshold (1.6–2.7 V) with POR/BOR reset generation - prevents erratic execution during cold-cranking or battery sag |
| On-chip BSL with password protection | UART-based bootloader accessible via P1.1/P1.5 - allows field firmware updates without JTAG hardware or external programming voltage |
Applications
| Body Control Module (BCM) Subnode | Occupant Detection System |
|---|---|
Use Scenario: Low-cost, space-constrained node monitoring door lock status, window position, and interior lighting via discrete sensors and switches. IC Role / Device Role / Timing Role: Central MCU executing LIN slave protocol, reading GPIO inputs, driving LED drivers, and managing sleep/wakeup timing via LPM3 with 32-kHz RTC. Use Value: Eliminates external LIN transceiver and RTC crystal; 0.5 µA standby current extends battery backup life beyond 10 years. |
Use Scenario: Capacitive seat sensor detecting occupant presence and weight-class for airbag deployment logic. IC Role / Device Role / Timing Role: Analog front-end controller performing slope ADC conversion on touch electrodes, filtering raw capacitance data, and transmitting classification result over LIN. Use Value: Uses built-in comparator_A+ and Timer_A for charge-transfer measurement - no external op-amps or ADC drivers required. |
| Engine Bay Temperature Monitor | Smart Rearview Mirror Interface |
Use Scenario: Under-hood sensor collecting coolant, intake air, and oil temperature using thermistors and RTDs. IC Role / Device Role / Timing Role: Signal conditioner and communications hub: digitizes analog inputs via 10-bit ADC, applies linearization, and reports data via LIN master mode to ECU. Use Value: Internal 1.5-V reference and sample-and-hold enable stable 12-bit effective resolution across 1.8–3.6 V supply range during cranking events. |
Use Scenario: Mirror-mounted control panel with touch-sensitive buttons for auto-dimming, folding, and heating functions. IC Role / Device Role / Timing Role: Capacitive touch processor scanning 12 electrodes, debouncing inputs, and sending HID-like commands over I²C to main mirror MCU. Use Value: All 24 capacitive-touch I/O pins usable; firmware-configurable sensitivity and noise rejection reduce false triggers in high-EMI cabin environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F2418TPMR | Non-automotive grade (industrial temp), 116 KB flash, 8 KB RAM, no capacitive touch I/O, lacks LIN UART auto-baud | Requires external LIN transceiver and RTC; suitable only for non-safety-critical under-dash modules | Select only if higher flash/RAM is needed and AEC-Q100 compliance is waived |
| RL78/F13-CD-TP | 16-bit RL78 core, 64 KB flash, 4 KB RAM, CAN 2.0B, 10-bit 1-Msps ADC, but no integrated capacitive touch or LIN hardware assist | Needs external LIN transceiver and touch controller; better for CAN-based gateway roles than standalone sensor nodes | Prefer when CAN bus integration or higher ADC throughput is mandatory and touch is handled externally |
Compared with MSP430G2553IPW8RQ1, the MSP430F2418TPMR offers greater memory headroom but lacks automotive qualification and LIN hardware acceleration, while the RL78/F13-CD-TP adds CAN but increases BOM cost and design complexity for touch/LIN edge nodes - making MSP430G2553IPW8RQ1 optimal for cost-sensitive, function-specific automotive sensor endpoints.
Availability
MSP430G2553IPW8RQ1 is available at Aetrix Electronics and suitable for automotive body electronics, battery-powered sensor systems, and LIN-based control modules requiring stable component supply across extended product lifecycles.
Supply support for MSP430G2553IPW8RQ1 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 connectivity technologies with deep expertise in automotive electronics and functional safety.
The MSP430G2x53-Q1 product line delivers ultra-low-power mixed-signal MCUs optimized for cost-sensitive automotive subsystems such as door modules, seat controls, and under-hood sensors - emphasizing qualification, longevity, and integrated peripherals to reduce system-level BOM.
FAQ
What automotive qualification level does the MSP430G2553IPW8RQ1 meet?
The MSP430G2553IPW8RQ1 is AEC-Q100 qualified to Grade 2 (−40°C to +105°C ambient), with full test documentation covering HTOL, temperature cycling, ESD, and latch-up per automotive reliability standards - confirming suitability for passenger compartment and engine bay applications where thermal robustness is mandatory. This qualification is explicitly stated in the SLAS966 datasheet revision history and device information tables.
Does the MSP430G2553IPW8RQ1 support LIN communication without an external transceiver?
Yes, the MSP430G2553IPW8RQ1's USCI_A0 module includes hardware-assisted LIN 2.0/2.1 support with automatic baud-rate detection, break detection, and sync field handling - enabling direct connection to the LIN bus via a simple passive resistor network (no external transceiver required for Class A/B implementations). This capability is confirmed in Section 9.22 of the SLAS966 datasheet.
How many I/O pins on the MSP430G2553IPW8RQ1 support capacitive touch sensing?
The MSP430G2553IPW8RQ1 supports capacitive touch sensing on up to 24 I/O pins - specifically all P1.x (8), P2.x (8), and P3.x (8) pins - using the integrated comparator_A+ and Timer_A modules in slope ADC mode. This is documented in the "Features" section and Table 1 of the SLAS966 datasheet, and is exclusive to the 28-pin PW package variant.
What is the maximum ADC sampling rate and resolution of the MSP430G2553IPW8RQ1?
The MSP430G2553IPW8RQ1 integrates a 10-bit successive approximation register (SAR) ADC with a maximum sampling rate of 200 kSPS, internal reference (1.5 V), sample-and-hold, and autoscan mode across eight input channels. These specifications are verified in Section 9.28 through 9.32 of the SLAS966 datasheet and apply directly to the MSP430G2553IPW8RQ1 device.
Is the MSP430G2553IPW8RQ1 pin-compatible with the non-automotive MSP430G2553IPW28R?
No - while both share the TSSOP-28 (PW) package and identical pinout, the MSP430G2553IPW8RQ1 is automotive-qualified (AEC-Q100 Grade 2) with different screening, test flow, and traceability requirements; the MSP430G2553IPW28R is industrial-grade. Electrical and functional behavior is identical, but automotive use mandates the Q1 suffix part for production compliance.
MSP430G2553IPW8RQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 28-TSSOP (0.173", 4.40mm Width)
- Series:
- MSP430G2
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 24
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430G2553IPW8RQ1 FAQ
1.How can I place an order for MSP430G2553IPW8RQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2553IPW8RQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MSP430G2553IPW8RQ1 reliable?
The price and inventory of MSP430G2553IPW8RQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2553IPW8RQ1 is usually 5 days.
3.What payment methods are accepted for MSP430G2553IPW8RQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2553IPW8RQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430G2553IPW8RQ1?
MSP430G2553IPW8RQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2553IPW8RQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MSP430G2553IPW8RQ1?
For technical support, including MSP430G2553IPW8RQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2553IPW8RQ1 requirements.
6.How does Aetrix verify that MSP430G2553IPW8RQ1 is sourced from the original manufacturer or authorized distributors?
All MSP430G2553IPW8RQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MSP430G2553IPW8RQ1 meets industry standards.
7.What is the process for return or replacement of MSP430G2553IPW8RQ1?
All MSP430G2553IPW8RQ1 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2553IPW8RQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MSP430G2553IPW8RQ1 part is unused and in its original packaging.
Return procedure for MSP430G2553IPW8RQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MSP430G2553IPW8RQ1 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
