MSP430G2553IPW28R - 16MHz Ultra-Low-Power MCU | Texas Instruments
MPN: MSP430G2553IPW28R β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.28 | $228.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.85 | $1,850.00 |
Drop-in alternatives for MSP430G2553IPW28R β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
MSP430G2553IPW28
β Drop-Inπ Reference alternative (not in catalog)
MSP430G2553IPW28RQ1
β Drop-Inπ Reference alternative (not in catalog)
MSP430G2253IPW28R
β Drop-Inπ Reference alternative (not in catalog)
MSP430G2452IPW28R
β Drop-Inπ Reference alternative (not in catalog)
MSP430G2553IPW28RQ1
β Drop-Inπ Reference alternative (not in catalog)
MSP430G2553IPW28R Maximum Ratings & Electrical Characteristics
| Core Processor | MSP430 CPU16 |
| Core Size | 16-Bit |
| Speed | 16 MHz |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 512B |
| Number of I/O | 24 |
| Connectivity | I2C, SPI, UART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of Timers/Counters | 2 x 16-bit |
| A/D Converter | 10-bit, 8 channels |
| Supply Voltage Range | 1.8V to 3.6V |
| Operating Temperature | -40Β°C to +85Β°C |
| Package / Case | 28-TSSOP (PW) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
MSP430G2553IPW28R Pin Configuration
| Pin 1 | P1.0/TA0CLK/ACLK/A0 β General I/O, Timer A0 clock, ACLK output, ADC channel 0 |
| Pin 2 | P1.1/TA0.0/A1 β General I/O, Timer A0 capture/compare, ADC channel 1 |
| Pin 3 | P1.2/TA0.1/A2 β General I/O, Timer A0 capture/compare, ADC channel 2 |
| Pin 4 | P1.3/TA0.2/A3 β General I/O, Timer A0 capture/compare, ADC channel 3 |
| Pin 5 | P1.4/TA0.3/A4 β General I/O, Timer A0 capture/compare, ADC channel 4 |
| Pin 6 | P1.5/TA0.4/A5 β General I/O, Timer A0 capture/compare, ADC channel 5 |
| Pin 7 | P1.6/TA0.5/A6 β General I/O, Timer A0 capture/compare, ADC channel 6 |
| Pin 8 | P1.7/TA0.6/A7 β General I/O, Timer A0 capture/compare, ADC channel 7 |
| Pin 9 | P2.0/TA1.0 β General I/O, Timer A1 capture/compare |
| Pin 10 | P2.1/TA1.1 β General I/O, Timer A1 capture/compare |
| Pin 11 | P2.2/TA1.2 β General I/O, Timer A1 capture/compare |
| Pin 12 | P2.3/TA1.3 β General I/O, Timer A1 capture/compare |
| Pin 13 | P2.4/TA1.4 β General I/O, Timer A1 capture/compare |
| Pin 14 | VCC β Power supply (1.8V-3.6V) |
| Pin 15 | GND β Ground |
| Pin 16 | P2.5/TA1.5 β General I/O, Timer A1 capture/compare |
| Pin 17 | P2.6/TA1.6 β General I/O, Timer A1 capture/compare |
| Pin 18 | P2.7/TA1.7 β General I/O, Timer A1 capture/compare |
| Pin 19 | P3.0/UCA0STE/UCA0CLK β General I/O, USCI A0 slave transmit enable/clock |
| Pin 20 | P3.1/UCA0SOMI β General I/O, USCI A0 slave out/master in |
| Pin 21 | P3.2/UCA0SIMO β General I/O, USCI A0 slave in/master out |
| Pin 22 | P3.3/UCA0CLK β General I/O, USCI A0 clock |
| Pin 23 | P3.4/UCA0TXD/UCA0SIMO β General I/O, USCI A0 UART transmit/SPI slave in |
| Pin 24 | P3.5/UCA0RXD/UCA0SOMI β General I/O, USCI A0 UART receive/SPI slave out |
| Pin 25 | P3.6/UCA0STE β General I/O, USCI A0 slave transmit enable |
| Pin 26 | P3.7/UCA0CLK β General I/O, USCI A0 clock |
| Pin 27 | TEST/SBWTCK β Test mode select, Spy-Bi-Wire test clock |
| Pin 28 | RST/NMI/SBWTDIO β Reset, non-maskable interrupt, Spy-Bi-Wire test data |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
MSP430G2553IPW28R is suitable for 6 applications: Battery-Powered Sensor Nodes, Portable Medical Devices, Wireless Sensor Networks, Smart Meters, Consumer Electronics, Industrial Automation.
Battery-Powered Sensor Nodes
The MSP430G2553IPW28R's ultra-low-power modes (0.1 Β΅A standby) and 16MHz DCO make it ideal for wireless sensor nodes. Its 10-bit ADC and comparator enable efficient sensor interfacing, while the USCI supports UART/SPI/I2C for communication. The 16KB Flash allows for complex sensing algorithms, and the 1.8V-3.6V supply range matches battery voltages. In a typical node, the MCU wakes periodically, samples sensors, and transmits data, consuming minimal average current to extend battery life.
Recommended
Portable Medical Devices
The MSP430G2553IPW28R is well-suited for portable medical devices like glucose meters and pulse oximeters due to its low power consumption and integrated analog peripherals. The 10-bit ADC can digitize sensor signals, while the comparator enables threshold detection. The 16MHz CPU handles signal processing, and the 512B SRAM buffers data. Its small 28-TSSOP package fits compact designs, and the industrial temperature range (-40Β°C to +85Β°C) ensures reliability. The device's low active current (230 Β΅A at 1MHz) extends battery life in handheld devices.
Recommended
Wireless Sensor Networks
In wireless sensor networks, the MSP430G2553IPW28R serves as the central controller, managing sensor data acquisition and wireless communication. Its ultra-low-power modes allow nodes to sleep for extended periods, waking only to transmit data. The USCI module supports UART for interfacing with RF modules like CC2541, while the 10-bit ADC reads analog sensors. The 16KB Flash stores network protocols, and the 512B SRAM handles packet buffering. The device's 1.8V-3.6V supply range is compatible with battery and energy-harvesting sources, making it a popular choice for IoT nodes.
Recommended
Smart Meters
The MSP430G2553IPW28R is commonly used in smart meters for energy monitoring. Its 10-bit ADC can measure voltage and current from sensors, while the comparator detects zero-crossings for power calculation. The USCI supports UART for communication with metering ICs or wireless modules. The 16MHz CPU processes metering algorithms, and the 16KB Flash stores calibration data. The device's low power consumption is critical for battery-backed meters, and its wide supply range (1.8V-3.6V) accommodates various power sources. The 28-TSSOP package is suitable for compact meter designs.
Recommended
Consumer Electronics
The MSP430G2553IPW28R is used in consumer electronics like remote controls, toys, and wearables. Its capacitive-touch enabled I/O pins allow for touch-sensitive interfaces without additional hardware. The 16MHz CPU handles user input and display control, while the USCI supports communication with peripherals. The device's low power consumption extends battery life in handheld devices, and the 28-TSSOP package is compact enough for space-constrained designs. The 16KB Flash provides ample code space for feature-rich applications, and the 512B SRAM supports data buffering.
Recommended
Industrial Automation
The MSP430G2553IPW28R is suitable for industrial automation applications like process control and monitoring. Its 10-bit ADC and comparator interface with sensors, while the USCI supports UART/SPI/I2C for communication with PLCs or other controllers. The 16MHz CPU handles control algorithms, and the 16KB Flash stores firmware. The device's industrial temperature range (-40Β°C to +85Β°C) ensures reliable operation in harsh environments. The low power consumption is beneficial for remote monitoring stations, and the 28-TSSOP package is easy to integrate into existing designs.
Recommended
Recommended Products Summary
Engineering reference data for MSP430G2553IPW28R β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MSP430G2553IPW28 | MSP430G2553IPW28RQ1 | MSP430G2253IPW28R | MSP430G2452IPW28R |
|---|---|---|---|---|---|
| Package | 28-TSSOP (PW) | 28-TSSOP (PW) | 28-TSSOP (PW) | 28-TSSOP (PW) | 28-TSSOP (PW) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Flash Memory | 16KB | 16KB | 16KB | 8KB | 8KB |
| SRAM | 512B | 512B | 512B | 512B | 256B |
| USCI (UART/SPI/I2C) | Yes | Yes | Yes | Yes | No |
| Automotive Grade | No | No | Yes (AEC-Q100) | No | No |
| Packaging | Tape & Reel | Tube | Tape & Reel | Tape & Reel | Tape & Reel |
| Price (1pc) | $2.85 | $2.85 | $3.10 | $2.40 | $2.20 |
Key Differentiators
- 16KB Flash memory in a 28-TSSOP package (vs MSP430G2253IPW28R)
- Integrated USCI for UART/SPI/I2C (vs MSP430G2452IPW28R)
- Automotive-grade variant available (vs MSP430G2553IPW28)
Design Notes
For ultra-low-power operation, use the lowest possible supply voltage (1.8V) and clock frequency. The MSP430G2553 consumes 230 Β΅A at 1MHz active mode and 0.1 Β΅A in standby with RAM retention. Use LPM3 for real-time clock operation with ACLK from a 32.768kHz crystal to minimize current.
Place a 0.1 Β΅F ceramic capacitor close to each VCC pin (pin 14) and a 1 Β΅F capacitor at the power entry point. For the RST/NMI pin (pin 28), add a 10kΞ© pull-up resistor to VCC and a 0.1 Β΅F capacitor to ground to prevent noise-induced resets. Keep Spy-Bi-Wire traces short for reliable programming.
Configure unused I/O pins as outputs to avoid floating inputs, which increase leakage current. When using the ADC, ensure the reference voltage is stable and bypassed with a 0.1 Β΅F capacitor. For capacitive touch applications, calibrate the DCO and use the built-in comparator for slope conversion to avoid external components.
Compliance Information
RoHS compliant per TI product page. Not AEC-Q100 qualified - choose MSP430G2553IPW28RQ1 for automotive.
