MSP430G2553IRHB32T - 16MHz Mixed-Signal MCU | Texas Instruments
料号： MSP430G2553IRHB32T ✓ 量产中MSP430G2553IRHB32T 概述
A mixed-signal microcontroller combines digital processing and analog measurement functions on one semiconductor device. The MSP430 belongs to the ultra-low-power MCU hierarchy, where a 16-bit RISC core and architecture-specific low-power modes reduce energy consumption in battery-powered or intermittently powered equipment. The G2553 device family provides 16-bit registers and constant generators that support efficient execution of compact embedded control algorithms.
Verified device features include a maximum clock speed of 16 MHz, 16 KB of programmable Flash, 512 B of SRAM, a 10-bit analog-to-digital converter, a versatile analog comparator, and communication peripherals supporting UART, SPI, and I2C. Up to 24 I/O pins are described as capacitive-touch capable, enabling compact user interfaces and low-cost sensing arrangements without requiring separate switch devices.
The MSP430G2553 is based on the MSP430 CPU16 architecture and combines digital control with analog signal acquisition. Its low-power operating modes make it useful for portable instruments, sensor nodes, energy meters, and embedded products that spend substantial time waiting for measurements or user input. The mixed-signal peripherals reduce the component count of designs that otherwise require separate ADC and communication circuitry.
Typical uses include low-power data loggers, industrial sensor interfaces, battery-powered monitoring equipment, simple motor-control systems, and connected measurement instruments. UART, SPI, and I2C support allows the controller to communicate with display controllers, external analog or digital sensors, transceivers, and data-storage components. The 16 MHz processing rate is suitable for responsive sampling, control-loop calculation, and peripheral coordination without adopting a higher-power application processor.
Designers should use the exposed-pad land pattern correctly for thermal dissipation and should preserve the device's recommended supply and decoupling arrangement. Because firmware size, interrupt configuration, peripheral mapping, and exposed-pad construction affect interchangeability, an alternative should not be treated as a drop-in replacement unless its complete ordering information and pinout have been verified. The verified 32-VQFN construction makes the RHB package especially relevant to compact, surface-mounted industrial designs.
This page consolidates the verified manufacturer and distributor information for MSP430G2553IRHB32T and separates confirmed specifications from parameters that still require datasheet confirmation. It also provides application guidance, procurement context, and a conservative replacement assessment that avoids presenting unrelated MSP430 devices as verified pin-compatible substitutes.
直接替换替代料： MSP430G2553IRHB32T ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料MSP430G2553IRHB32T 最大额定值与电气特性
| CPU Architecture | 16-bit RISC MSP430 |
| Maximum Clock Speed | 16 MHz |
| Program Memory | 16 KB Flash (16K x 8) |
| SRAM | 512 B |
| ADC Resolution | 10-bit |
| Analog Comparator | Integrated |
| Serial Communications | UART, SPI, and I2C |
| Timer | Integrated 16-bit timer |
| Capacitive-Touch-Enabled I/O | Up to 24 pins |
| 电源电压 | 3.3 V to 3.6 V |
| 封装 | 32-pin VQFN (RHB), 5 mm x 5 mm |
| Exposed Thermal Pad | Yes |
| 安装类型 | Surface mount |
| Operating Range | Industrial |
| Life Cycle Stage | Active |
| Oscillator Type | Internal |
| Power-Saving Modes | Five low-power modes |
| Off Mode with RAM Retention | 0.1 µA |
MSP430G2553IRHB32T 32-pin vqfn (rhb), 5 mm x 5 mm 引脚配置指南
MSP430G2553IRHB32T（32-pin vqfn (rhb), 5 mm x 5 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MSP430G2553IRHB32T.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MSP430G2553IRHB32T 适用于 6 应用s: Battery-Powered Sensor Node, Portable Data Logger, Industrial Sensor Interface, Low-Power Environmental Monitor, Digital Instrument Panel, Simple Motor and Valve Control.
Battery-Powered Sensor Node
The MSP430G2553IRHB32T fits battery-powered sensor nodes because it combines a 16 MHz CPU, 512 B SRAM, a 10-bit ADC, and five low-power modes in one 32-VQFN device. The MCU can periodically wake, acquire an analog measurement, process the value, and return to a low-power state without requiring a separate ADC. The verified 0.1 µA off-mode current with RAM retention helps preserve state between long sleep intervals. Designers should calculate the complete system duty cycle because sensor leakage, regulator quiescent current, and radio activity can dominate the final battery life. The exposed thermal pad also provides a practical thermal path in compact industrial sensor assemblies.
推荐
Portable Data Logger
The MSP430G2553IRHB32T is suitable for portable data logging because its 16 KB Flash provides embedded program storage, while its 512 B SRAM supports short acquisition and buffering operations. The integrated 10-bit ADC can sample basic analog sensors, and the 16-bit timer can establish periodic sampling intervals. UART, SPI, and I2C interfaces permit connection to flash storage, real-time-clock modules, and host computers. A practical implementation should compare actual log-file size with the available program and data memory and avoid assuming that all 16 KB of Flash can be used for user data without accounting for the firmware image. Low-power shutdown periods should also be used between records when extending battery life.
推荐
Industrial Sensor Interface
The MSP430G2553IRHB32T provides a compact control platform for industrial sensor interfaces that need local acquisition, timing, and communication. Its 10-bit ADC and analog comparator support thresholding or basic measurement functions, while the integrated 16-bit timer can control sampling and service intervals. The verified 32-pin VQFN package and exposed pad allow placement on a small, densely routed board, provided the exposed pad receives the required copper and thermal treatment. UART, SPI, and I2C can connect to industrial sensors, output drivers, or gateways. The stated 3.3 V to 3.6 V supply range should be reconciled with the complete datasheet limits before selecting the system regulator.
推荐
Low-Power Environmental Monitor
The MSP430G2553IRHB32T is appropriate for an environmental monitor that periodically reads analog sensors and reports through a low-power serial link. Its 10-bit ADC provides a practical conversion resolution for many temperature, light, and coarse gas-sensor outputs, while the comparator can support simple threshold events. The MSP430's five low-power modes permit long inactivity periods between measurements. Because the MCU current is only one part of system demand, the final power budget must also include sensor heater duty cycle, regulator efficiency, pull resistors, and communications. Firmware should use the low-power modes only after validating wake-up timing and ensuring that retained RAM is required for the application.
推荐
Digital Instrument Panel
The MSP430G2553IRHB32T can serve as the controller for a compact digital panel where capacitive controls, display updates, and status monitoring are required. The verified device supports up to 24 capacitive-touch-enabled I/O pins, allowing touch electrodes to share the controller with other digital functions. Its 16 MHz CPU supports responsive button handling and display refresh coordination, while UART or SPI can connect to a display controller. The 512 B SRAM is sufficient for modest UI state but not for extensive graphics buffering, so the display architecture should remain lightweight. Firmware should include debouncing and touch-threshold calibration, and the panel layout should preserve clearances required by the selected capacitive-touch electrode geometry.
推荐
Simple Motor and Valve Control
The MSP430G2553IRHB32T can control simple motors, valves, or relay-based actuators when the design includes appropriate external drive circuitry. Its 16 MHz CPU and 16-bit timers support deterministic task scheduling, debouncing, pulse timing, and basic closed-loop calculations. The integrated comparator may assist with position or limit sensing, while the ADC can monitor a feedback voltage. Because the MCU does not directly replace a power MOSFET, relay driver, or motor driver, the output stage must handle the load voltage, current, transients, and isolation requirements. Firmware should include startup and fault states, and the 32-VQFN exposed pad should be thermally and electrically designed according to the manufacturer package guidance.
推荐
推荐产品汇总
工程参考数据： MSP430G2553IRHB32T ——对比、设计指导和合规信息。
选型指南
关键差异点
- Higher confirmed processing speed （对比 MSP430F2132IRHBT)
- Broader mixed-signal integration （对比 Lower-memory MSP430 variants)
- Adequate memory for embedded control （对比 MSP430G2153IRHB32T)
设计说明
The RHB construction includes an exposed thermal pad. Confirm the manufacturer's land-pattern dimensions, pad geometry, solder-mask clearance, and paste volume before PCB release. Route the pad to a suitable ground or thermal structure according to the package documentation so heat can move away from the die; an exposed pad does not replace the need for adequate copper area. Because the verified results do not provide a thermal resistance figure, no junction-temperature rise should be calculated from an assumed value.
Use the manufacturer-recommended VQFN footprint for MSP430G2553IRHB32T and verify it against the current RHB package drawing rather than relying on a generic 32-pin QFN footprint. A generic footprint may differ in exposed-pad size, lead length, or pad geometry. Pin-1 orientation should also be checked against the board silkscreen and assembly drawing. Do not release the layout until every power, ground, communication, and exposed-pad connection has been compared with the complete pinout.
The verified supply range is 3.3 V to 3.6 V. Confirm startup, operating, and tolerance limits in the manufacturer datasheet, then choose a regulator that supports the required load transients without approaching its own thermal or dropout limits. Place local high-frequency bypass capacitance at the supply pins and connect it to the quiet ground reference with a short path. Power sequencing and brownout behavior should be checked against every external load so the MCU and its peripherals cannot start in an inconsistent state.
Do not treat a shared MSP430 family name as proof of drop-in compatibility. Software compatibility can be affected by memory size, peripheral availability, interrupt-vector organization, package pins, and exposed-pad construction. Verify the complete ordering code and RHB pinout before substituting any part. In particular, search results for MSP430G2153IRHB32T and MSP430F2132IRHBT identify related devices but do not provide enough verified information to approve them as replacements for MSP430G2553IRHB32T.
合规信息
The supplied search results identify the device as an active industrial-temperature MCU but do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. AEC-Q100 is marked not_applicable because the verified listing describes an industrial rather than automotive-qualified ordering option.
