CC430F5145IRGZT - Sub-1GHz RF SoC, 16kB Flash | Texas Instruments
MPN: CC430F5145IRGZT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.96 | $496.00 |
| 500 | $4.45 | $2,225.00 |
| 1,000 | $3.98 | $3,980.00 |
Drop-in alternatives for CC430F5145IRGZT 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:
CC430F5135IRGZT
β Drop-Inπ Reference alternative (not in catalog)
CC430F5147IRGZT
β Drop-Inπ Reference alternative (not in catalog)
CC430F5125IRGZT
β Drop-Inπ Reference alternative (not in catalog)
CC430F6145IRGZT
β Drop-Inπ Reference alternative (not in catalog)
CC430F6147IRGZT
β Drop-Inπ Reference alternative (not in catalog)
CC430F5145IRGZT Maximum Ratings & Electrical Characteristics
| Core | MSP430 CPUXV2 16-bit |
| Flash Memory | 16 kB |
| RAM | 2 kB |
| RF Transceiver | CC1101 sub-1 GHz RF core |
| Frequency Bands | 300-348 MHz, 389-464 MHz, 779-928 MHz |
| Modulation | 2-FSK, GFSK, MSK, OOK, ASK |
| ADC | 10-bit, 6 external inputs plus temperature and battery sensors |
| Timers | Two 16-bit timers |
| Package | 48-VFQFN Exposed Pad (RGZ) |
| Mounting Type | Surface Mount |
| Application | General ISM < 1GHz |
| Product Family | CC430F514x SoC with RF Core |
| Operating Temperature | [DATA_NEEDED: operating temperature range] |
| Supply Voltage | [DATA_NEEDED: supply voltage range] |
| RoHS Status | Compliant |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] |
CC430F5145IRGZT Pin Configuration
| Pin 1 | [DATA_NEEDED: pin 1 name] β See TI CC430F514x/CC430F614x datasheet pinout table |
| Pin 10 | [DATA_NEEDED: RF_N] β RF negative differential input/output to matching network |
| Pin 11 | [DATA_NEEDED: RF_P] β RF positive differential input/output to matching network |
| Pin [DATA_NEEDED] | DVCC β Digital power supply |
| Pin [DATA_NEEDED] | AVCC β Analog power supply |
| Pin [DATA_NEEDED] | GND β Ground / exposed pad RF ground |
| Pin [DATA_NEEDED] | RST/NMI β Reset input, non-maskable interrupt |
| Pin [DATA_NEEDED] | TEST/SBWTCK β Test mode entry for Spy-Bi-Wire programming |
| Pin [DATA_NEEDED] | XIN/XOUT β Crystal oscillator terminals |
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
CC430F5145IRGZT is suitable for 6 applications: Wireless Sensor Networks, Smart Metering, Building Automation, Alarm and Security Systems, Industrial Telemetry and Monitoring, Handheld and Portable Devices.
Wireless Sensor Networks
The CC430F5145 fits battery-powered sensor nodes because its ultra-low-power MSP430 CPUXV2 with multiple low-power modes and the duty-cycled CC1101 radio enable multi-year operation on small cells. The integrated 10-bit ADC with six external inputs connects sensors directly without a separate converter. A node samples with the ADC, formats packets in the hardware radio, and transmits in the 902-928 MHz or 868 MHz band, waking from sleep in microseconds for event-driven reporting.
Recommended
Smart Metering
Utility meters benefit from the CC430F5145 because sub-1 GHz propagation penetrates enclosures and building structures better than 2.4 GHz, improving read reliability. The SoC's single-die integration shrinks meter PCB area while the 16kB flash holds the metrology and RF stack. The internal battery sensor monitors supply health for long service intervals, and the CC1101 core's hardware packet handling offloads the CPU, preserving metrology timing accuracy.
Recommended
Building Automation
Occupancy sensors, thermostats, and HVAC controllers use the CC430F5145 for its robust sub-1 GHz link and low standby current. The two 16-bit timers generate precise PWM for damper or valve control while the radio handles mesh or star network traffic in the 779-928 MHz regional bands. Because MCU and radio share one crystal, board BOM is reduced, and firmware synchronization between application and RF stack is simplified through the unified register interface.
Recommended
Alarm and Security Systems
Wireless security sensors leverage the CC430F5145's fast wake-up from low-power modes and CC1101-format radio for reliable event transmission on door/window and PIR sensors. Sub-1 GHz bands offer better range and wall penetration than 2.4 GHz alternatives, critical for whole-building coverage from one panel. The 10-bit ADC digitizes PIR signals directly, and the 16kB flash supports encrypted packet firmware within the small footprint of a CR2032-powered sensor.
Recommended
Industrial Telemetry and Monitoring
Factory-floor remote I/O and condition-monitoring nodes use the CC430F5145 to bridge analog field signals to a sub-1 GHz backhaul. The six-channel 10-bit ADC samples 0-10V-scaled sensor inputs via dividers, while timers support pulse counting for flow or RPM. RF packet handling in hardware tolerates noisy industrial RF environments, and the exposed-pad VQFN-48 provides solid ground return for coexistence with motors and switching supplies.
Recommended
Handheld and Portable Devices
Portable readers, testers, and remote controls benefit from the CC430F5145's ultra-low active current and compact 48-VQFN footprint, conserving battery and board space. The MSP430 architecture's efficient 16-bit instruction set keeps protocol processing overhead low, and the radio's programmable data rates let designers trade throughput for link margin. The internal temperature sensor supports battery-chemistry-aware charge indication in handheld products.
Recommended
Recommended Products Summary
Engineering reference data for CC430F5145IRGZT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | CC430F5135IRGZT | CC430F5147IRGZT | CC430F6145IRGZT |
|---|---|---|---|---|
| Package | 48-VFQFN Exposed Pad (RGZ) | 48-VQFN (RGZ) - same | 48-VQFN (RGZ) - same | 48-VQFN (RGZ) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Flash Memory | 16 kB | 32 kB | 16 kB | up to 32 kB |
| RAM | 2 kB | 4 kB | 2 kB | up to 4 kB |
| RF Core | CC1101 sub-1 GHz | CC1101 sub-1 GHz | CC1101 sub-1 GHz | CC1101 sub-1 GHz |
| Frequency Bands | 300-348 / 389-464 / 779-928 MHz | 300-348 / 389-464 / 779-928 MHz | 300-348 / 389-464 / 779-928 MHz | 300-348 / 389-464 / 779-928 MHz |
| ADC | 10-bit, 6 external inputs | 10-bit | 10-bit | 10-bit |
| Core | MSP430 CPUXV2 16-bit | MSP430 CPUXV2 16-bit | MSP430 CPUXV2 16-bit | MSP430 CPUXV2 16-bit |
Key Differentiators
- Single-die MSP430 + CC1101 integration (vs CC1101 (standalone))
- Lowest memory/cost CC430F514x option (vs CC430F5135IRGZT)
- Headroom for growing firmware (vs CC430F6145IRGZT)
Design Notes
RF layout is the highest-risk area. Follow TI reference designs for the CC1101 differential matching network (RF_P/RF_N to 50-ohm antenna), keep RF traces impedance-controlled and as short as possible, and solidly solder the VQFN-48 exposed pad to a continuous ground plane for RF return and thermal relief. Separate RF ground from digital switching currents to minimize spurs.
Supply the SoC with clean, low-ripple power; RF sensitivity degrades with noisy supplies. Decouple AVCC and DVCC pins with 100nF ceramics placed within 2mm, and follow the datasheet's recommended inductor/ferrite between analog and digital rails. Budget current for TX bursts in battery sizing, since peak transmit current of the CC1101 core is much higher than average sleep current.
The 16kB flash / 2kB RAM is the smallest CC430 memory option; a full RF network stack plus application code can exhaust it quickly. Prototype with a higher-memory family member such as CC430F5135 or CC430F6145 to measure code size before committing to the F5145. Also confirm regional band compliance (ETSI/FCC) for your selected frequency plan.
Compliance Information
RoHS compliant per TI product page. REACH, halogen-free, and conflict minerals status not stated in provided data.
