MSP430F149IPMG4 - 8MHz 16-Bit Ultra-Low-Power MCU | TI
料号： MSP430F149IPMG4 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.6749 | $4.67 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MSP430F149IPMG4 概述
A microcontroller is a programmable system-on-chip that integrates a CPU, memory, and peripherals to control a product. The MSP430F149 belongs to the MSP430 family of 16-bit RISC mixed-signal microcontrollers, combining digital processing with ADC and comparator functions. This device hierarchy places it between general-purpose embedded processors and simple peripheral controllers, making it suitable for instrumentation, sensing, communications, and low-power products.
Key features include 8 MHz maximum clock operation, 60 KB Flash, 2 KB SRAM, 12-bit ADC, comparator, SPI, UART, 22 I/O ports, and five power-saving modes. The verified power figures include 280 uA active current at 1 MHz and 2.2 V, 1.6 uA standby current, and 0.1 uA off current with RAM retention. These characteristics support designs that spend substantial time waiting for events while still handling periodic control and measurement tasks.
The MSP430 architecture uses a 16-bit RISC CPU with 16-bit registers and constant generators for code efficiency. Its mixed-signal peripherals allow an application to digitize analog inputs and compare signals without requiring a separate ADC or comparator. The 1.8 V to 3.6 V operating range also suits battery-powered and industrial embedded equipment, provided the design observes the device's electrical and timing limits.
Typical applications include low-power sensor nodes, industrial measurement systems, battery-operated instruments, UART-connected controllers, SPI-based data acquisition, and portable monitoring equipment. The 60 KB Flash capacity supports substantially more application code than basic controllers, while the 2 KB SRAM provides working memory for buffering and control state.
Designers should verify package pin assignments, clock setup, ADC reference configuration, and low-power transitions against the manufacturer datasheet before layout release. Keep decoupling close to the supply pins, provide a stable clock source, and confirm that the 64-LQFP footprint matches the PCB land pattern. The verified distributor data identifies the part as a 64-LQFP device, so footprint and pin-compatible replacement decisions must be based on the complete package drawing.
直接替换替代料： MSP430F149IPMG4 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MSP430F149IPMG4 （相同外形与封装尺寸） ——差异在于 Package, Supply Voltage Range, ADC Resolution, Flash Memory, Hardware Multiplier.
快速对比工具——选择替代料号进行并排对比：
MSP430F149IPMR
✅ 直接替换✓ 有现货
$7.5 / 个
查看数据手册 →MSP430F149IPMRG4
✅ 直接替换✓ 有现货
$6.3141 / 个
查看数据手册 →MSP430F1491IPMR
✅ 直接替换✓ 有现货
$6.9 / 个
查看数据手册 →MSP430FW425IPM
✅ 直接替换📋 参考替代料（不在目录中）
MSP430F5329IPNR
✅ 直接替换📋 参考替代料（不在目录中）
MSP430F149IPMG4 最大额定值与电气特性
| Architecture | 16-bit RISC |
| 最大时钟频率 | 8 MHz |
| Flash Memory | 60 KB |
| SRAM | 2 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| ADC Resolution | 12 bit |
| Comparator | Yes |
| Serial Interfaces | SPI and UART |
| I/O Ports | 22 |
| Active Mode Current | 280 uA at 1 MHz and 2.2 V |
| Standby Mode Current | 1.6 uA |
| Off Mode Current with RAM Retention | 0.1 uA |
| Power-Saving Modes | 5 modes |
| 封装 | 64-LQFP, 10 x 10 mm |
| 安装类型 | Surface mount |
| Operating Range | Industrial |
| Product Type | 16-bit ultra-low-power mixed-signal microcontroller |
MSP430F149IPMG4 64-lqfp, 10 x 10 mm 引脚配置指南
MSP430F149IPMG4（64-lqfp, 10 x 10 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： MSP430F149IPMG4.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MSP430F149IPMG4 适用于 6 应用s: Low-Power Sensor Node, Industrial Measurement Instrument, Battery-Powered Data Logger, UART-Connected Embedded Controller, SPI-Based Data Acquisition, Portable Monitoring Equipment.
Low-Power Sensor Node
The MSP430F149IPMG4 fits a low-power sensor node because it combines an 8 MHz 16-bit CPU, 60 KB Flash, 2 KB SRAM, and a 12-bit ADC in one device. Its verified 1.8 V to 3.6 V operating range supports low-voltage battery systems, while the cited 1.6 uA standby and 0.1 uA off-with-RAM-retention currents help reduce energy use between measurements. Place the MCU near the sensor input, use a stable low-noise regulator, and configure the ADC and digital I/O for the required sampling interval. Actual battery life still depends on sensor current, regulator efficiency, leakage, wake sources, and board-level peripherals.
推荐
Industrial Measurement Instrument
For industrial measurement equipment, MSP430F149IPMG4 provides a compact mixed-signal processing platform with an 8 MHz 16-bit RISC CPU, 12-bit ADC, comparator, UART, and SPI. The verified 64-LQFP 10 x 10 mm package can support dense instrument designs when its complete pinout is followed. Use the ADC for process-signal acquisition and the comparator for fast threshold or protection decisions, while UART or SPI connects to a host, display, or data logger. Keep analog inputs away from switching nodes, provide local supply bypassing, and verify input ranges, sampling time, grounding, and calibration requirements against the datasheet.
推荐
Battery-Powered Data Logger
MSP430F149IPMG4 is appropriate for a battery-powered data logger that periodically samples inputs and stores or transmits results. Its 60 KB Flash provides application-code space, 2 KB SRAM supports working buffers, and the five power-saving modes help separate long inactive periods from short active intervals. The verified active-current condition is 280 uA at 1 MHz and 2.2 V, while standby current is cited as 1.6 uA. Choose the flash write strategy carefully, protect data against power loss, and account for regulator quiescent current and sensor load. Serial logging through UART or SPI can be added when the selected interface and board-level protocol support the required data rate.
推荐
UART-Connected Embedded Controller
The MSP430F149IPMG4 can serve as an embedded controller between a host computer or service equipment and local sensors or actuators. Its verified product description includes UART support, an 8 MHz 16-bit CPU, and 2 KB SRAM, allowing protocol handling and control logic without a separate communications processor. Use the UART only within the voltage levels and timing supported by the MCU and transceiver, and define a robust reset and framing strategy for noisy industrial wiring. A transceiver such as a suitable RS-232 or RS-485 companion can extend the physical communication distance, while the MCU handles framing, status, and local decisions.
推荐
SPI-Based Data Acquisition
MSP430F149IPMG4 supports SPI-based data acquisition because the verified Texas Instruments product page identifies SPI alongside the 12-bit ADC and 16-bit MCU architecture. A sensor, ADC, display, or nonvolatile memory can share the serial bus when its electrical and timing requirements are compatible. Keep the SPI clock and data routing short, provide proper pull or termination strategies where required, and isolate high-current switching paths from sensitive analog inputs. The MCU's 60 KB Flash and 2 KB SRAM make it useful for configuration, calibration, buffering, and control code. Validate maximum SPI clock, input thresholds, chip-select behavior, and peripheral timing before production.
推荐
Portable Monitoring Equipment
The MSP430F149IPMG4 is well suited to portable monitoring equipment where low voltage, mixed-signal measurement, and compact embedded control are important. Its 12-bit ADC can digitize sensor signals, the comparator can support threshold decisions, and SPI/UART can connect to local storage or a host. The verified five power-saving modes and 1.8 V to 3.6 V supply range support duty-cycled operation. A product designer should still calculate the complete power budget, regulator losses, display load, sensor current, and enclosure thermal effects. Use a low-leakage analog front end and ensure the selected battery voltage remains within the MCU's operating range throughout discharge and load transients.
推荐
推荐产品汇总
工程参考数据： MSP430F149IPMG4 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MSP430F149IPMR | MSP430F149IPMRG4 | MSP430F1491IPMR | MSP430FW425IPM | MSP430F5329IPNR |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
关键差异点
- Mixed-signal integration in one MSP430F149 device （对比 MSP430F149IPMR)
- Documented low-power operating characteristics （对比 MSP430F5329IPNR)
- Exact ordering identity for qualified procurement （对比 MSP430F149IPMR)
- Compact 64-LQFP integration with 22 I/O ports （对比 MSP430FW425IPM)
设计说明
The verified 1.8 V to 3.6 V supply range makes regulator headroom a primary design constraint. Place local bypass capacitors close to the supply and ground pins, keep the analog and digital return paths controlled, and verify startup, brownout, and load-transient behavior with the selected power-supply topology. The cited 280 uA active current at 1 MHz and 2.2 V, 1.6 uA standby current, and 0.1 uA off current with RAM retention are MCU conditions, not complete board-consumption figures. Include regulator quiescent current, sensors, pullups, LEDs, and communications hardware in the system power budget.
The device is identified as a 64-LQFP, 10 x 10 mm package. Before committing the PCB, verify the exact MSP430F149 package drawing, pin 1 orientation, pad dimensions, exposed thermal or center-pad details if applicable, and recommended land pattern. Route the ADC inputs away from digital switching edges and maintain a short return path to the device ground. Use a stable clock layout and place decoupling where the datasheet and reference layout recommend. Because the provided sources do not include a complete pin table, do not rely on the package description alone for footprint release.
Do not select a replacement solely because a distributor lists a similar clock, flash size, or LQFP package. MSP430F149IPMR, MSP430F149IPMRG4, MSP430F1491IPMR, MSP430FW425IPM, and MSP430F5329IPNR require comparison of the manufacturer ordering information, pin functions, memory map, peripheral set, timing, and electrical limits. Check reset behavior, alternate-function pins, UART and SPI routing, ADC channels, and firmware expectations. The provided cross-reference data does not establish full drop-in equivalence for every candidate, so production substitution requires datasheet review and validation testing.
For mixed-signal designs, separate the ADC and comparator paths from SPI, UART, and any switching supply nodes. Use short traces, a continuous or carefully controlled ground reference, and input filtering appropriate to the source impedance and measurement bandwidth. Place analog input protection and conditioning close to the connector or sensor while keeping digital control traces away from sensitive nodes. The 12-bit ADC is useful for embedded measurements, but practical accuracy depends on reference stability, source impedance, sampling time, layout, calibration, and noise—not only the nominal resolution.
合规信息
The provided verified data identifies the manufacturer, operating specifications, package, and distributor availability, but does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than inferred.