TIMSP430x461x1智能水表和煤气表解决方案

led oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6 s.

The MSP430x461x(1) series are microcontroller configurations with two 16-bit timers, a high-performance 12-bit A/D converter (MSP430x461x only), one universal serial communication interface (USCI), one universal synchronous/asynchronous communication interface (USART), DMA, 80 I/O pins, and a liquid crystal display (LCD) driver with regulated charge pump. Typical applications for this device include portable medical applications and e-meter applications.

MSP430F4619主要特性:

_ Low Supply Voltage Range: 1.8 V to 3.6 V

_ Ultralow-Power Consumption:

? Active Mode: 400 uA at 1 MHz, 2.2 V

? Standby Mode: 1.3uA

? Off Mode (RAM Retention): 0.22uA

_ Five Power-Saving Modes

_ Wake-Up From Standby Mode in Less Than 6 us

_ 16-Bit RISC Architecture, Extended

Memory, 125-ns Instruction Cycle Time

_ Three Channel Internal DMA

_ 12-Bit A/D Converter With Internal

Reference, Sample-and-Hold and Autoscan

Feature (MSP430x461x only)

_ 16-Bit Timer_A With Three

Capture/Compare Registers

_ 16-Bit Timer_B With Seven

Capture/Compare-With-Shadow Registers

_ On-Chip Comparator

_ Supply Voltage Supervisor/Monitor With

Programmable Level Detection

_ Basic Timer With Real Time Clock Feature

_ Integrated LCD Driver up to 160 Segments With Regulated Charge Pump

_ Serial Communication Interface (USART1),

Select Asynchronous UART or

Synchronous SPI by Software

_ Universal Serial Communication Interface

? Enhanced UART Supporting

Auto-Baudrate Detection

? IrDA Encoder and Decoder

? Synchronous SPI

? I2CTM

_ Serial Onboard Programming,

Programmable Code Protection by Security Fuse

_ Brownout Detector

_ Family Members Include:

? MSP430x4616, MSP430x46161?:

92KB+256B Flash or ROM Memory

4KB RAM

? MSP430x4617, MSP430x46171?:

92KB+256B Flash or ROM Memory,

8KB RAM

? MSP430x4618, MSP430x46181?:

116KB+256B Flash or ROM Memory,

8KB RAM

? MSP430x4619, MSP430x46191?:

120KB+256B Flash or ROM Memory,

4KB RAM

_ For Complete Module Descriptions

All MSP430 microcontrollers include an Embedded Emulation Module (EEM) allowing advanced debugging and programming through easy to use development tools. Recommended hardware options include the following:

_ Debugging and Programming Interface

? MSP-FET430UIF (USB)

? MSP-FET430PIF (Parallel Port)

_ Debugging and Programming Interface with Target Board

? MSP-FET430U100

_ Stand-Alone Target Board

? MSP-TS430PZ100

_ Production Programmer

? MSP-GANG430

详见:
http://www.ti.com/lit/ds/symlink/msp430f4619.pdf

2) 2.4 GHz Solutions (Zigbee and 802.15.4)

The CC2510Fx/CC2511Fx is a true low-cost 2.4 GHz system-on-chip (SoC) designed for lowpower wireless applications. The CC2510Fx/CC2511Fx combines the excellent performance of the state-of-the-art RF transceiver CC2500 with an industry-standard enhanced 8051 MCU, up to 32 kB of in-system programmable flash memory and 4 kB of RAM, and many other powerful features. The small 6x6 mm package makes it very suited for applications with size limitations.

The CC2510Fx/CC2511Fx is highly suited for systems where very low power consumption is required. This is ensured by several advanced low-power operating modes. The CC2511Fx adds a full-speed USB controller to the feature set of the CC2510Fx. Interfacing to a PC using the USB interface is quick and easy, and the high data rate (12 Mbps) of the USB interface avoids the bottlenecks of RS-232 or low-speed
USB interfaces.

CC2510Fx/CC2511Fx 主要特性:

? Radio

o High-performance RF transceiver based on the market-leading CC2500

o Excellent receiver selectivity and blocking performance

o High sensitivity (?103 dBm at 2.4 kBaud)

o Programmable data rate up to 500 kBaud

o Programmable output power up to 1 dBm for all supported frequencies

o Frequency range: 2400 - 2483.5 MHz

o Digital RSSI / LQI support

? Current Consumption

o Low current consumption (RX: 17.1 mA @2.4 kBaud, TX: 16 mA @ ?6 dBm output power)

o 0.3 μA in PM3 (the operating mode with the lowest power consumption)

? MCU, Memory, and Peripherals

o High performance and low power 8051 microcontroller core.

o 8/16/32 kB in-system programmable flash, and 1/2/4 kB RAM

o Full-Speed USB Controller with 1 kB USB FIFO (CC2511Fx )

o I2S interface

o 7 - 12 bit ADC with up to eight inputs

o 128-bit AES security coprocessor

o Powerful DMA functionality

o Two USARTs

o 16-bit timer with DSM mode

o Three 8-bit timers

o Hardware debug support

o 21 (CC2510Fx ) or 19 (CC2511Fx ) GPIO pins

? General

o Wide supply voltage range (2.0V - 3.6V)

o Green package: RoHS compliant and no antimony or bromine, 6x6mm QFN 36

详见:

http://www.ti.com/lit/ds/symlink/cc2510f32.pdf

3) Sub 1-Ghz Solutions

The CC1110Fx/CC1111Fx is a true low-power sub-1 GHz system-on-chip (SoC) designed for lowpowerwireless applications. TheCC1110Fx/CC1111Fx combines the excellent performance of the state-of-the-art RF transceiver CC1101 with an industry-standard enhanced 8051 MCU, up to 32 kB of in-system programmable flash memory and up to 4 kB of RAM, and many other powerful features. The small 6x6 mm package makes it very suited for applications with size limitations.

The CC1110Fx/CC1111Fx is highly suited for systems where very low power consumption is required. This is ensured by several advanced low-power operating modes. The CC1111Fx adds a full-speed USB 2.0 interface to the feature set of the CC1110Fx. Interfacing to a PC using the USB interface is quick and easy, and the high data rate (12 Mbps) of the USB interface avoids the bottlenecks of RS-232 or low-speed USB interfaces.

CC1110Fx/CC1111Fx 主要特性:

Radio

o High-performance RF transceiver based on the market-leading CC1101

o Excellent receiver selectivity and blocking performance

o High sensitivity (?110

o dBm at 1.2 kBaud)

o Programmable data rate up to 500 kBaud

o Programmable output power up to 10 dBm for all supported frequencies

o Frequency range: 300 - 348 MHz, 391 – 464 MHz and 782 - 928 MHz

o Digital RSSI / LQI support Low Power

o Low current consumption (RX: 16.2 mA @ 1.2 kBaud, TX: 15.2 mA @ ?6 dBm output power)

o 0.3 μA in PM3 (the operating mode with the lowest power consumption)

o 0.5 μA in PM2 (operating mode with the second lowest power consumption, timer or external interrupt wakeup)MCU, Memory, and Peripherals

o High performance and low power 8051 microcontroller core.

o Powerful DMA functionality

o 8/16/32 KB in-system programmable flash, and 1/2/4 KB RAM

o Full-Speed USB Controller with 1 KB FIFO (CC1111Fx )

o 128-bit AES security coprocessor

o 7 - 12 bit ADC with up to eight inputs

o I2S interface

o Two USARTs

o 16-bit timer with DSM mode

o Three 8-bit timers

o Hardware debug support

o 21 (CC1110Fx ) or 19 (CC1111Fx ) GPIO pins

o SW compatible with CC2510Fx/CC2511Fx General

o Wide supply voltage range (2.0V - 3.6V)

o RoHS compliant 6x6 mm QFN 36 package

详见:

http://www.ti.com/lit/ds/symlink/cc1110f32.pdf

4) 850 – 950 MHz RF Front End

CC1190 is a cost-effective and high-performance RF Front End for low-power and low-voltage wireless applications at 850 - 950 MHz.

CC1190 is a range extender for the sub-1 GHz low-power RF transceivers, transmitters, and System-on-Chip devices from Texas Instruments.

CC1190 integrates a power amplifier (PA), a low-noise amplifier (LNA), switches, and RF matching for the design of a high-performance wireless systems.

CC1190 increases the link budget by providing a power amplifier for increased output power, and an LNA with low noise figure for improved receiver sensitivity.

CC1190 provides an efficient and easy-to-use range extender in a compact 4-mm × 4-mm QFN-16 package.

CC1190主要特性:

Seamless Interface to Sub-1 GHz Low Power RF Devices from Texas Instruments Up to 27 dBm (0.5 W) Output Power

6 dB Typical Sensitivity Improvement with CC11xx and CC430

Few External Components

Integrated PA

Integrated LNA

Integrated Switches

Integrated Matching Network

Integrated Inductors

Digital Control of LNA and PA Gain by HGM Pin

50-nA in Power Down (LNA_EN = PA_EN = 0)

High Transmit Power Efficiency

PAE = 50% at 26 dBm Output Power

Low Receive Current Consumption

3 mA for High Gain Mode

26 μA for Low Gain Mode

2.9 dB LNA Noise Figure, Including Switch and External Antenna Match

RoHS Compliant 4-mm × 4-mm QFN-16 Package

2 V to 3.7 V Operation

详见:

http://www.ti.com/lit/ds/symlink/cc1190.pdf

5) RFID 预付费解决方案

TRF7960/61:Multi-Standard Fully Integrated 13.56-MHz RFID AFE and Data Framing Reader System

The TRF7960/61 is an integrated analog front end and data-framing system for a 13.56-MHz RFID reader system. Built-in programming options make it suitable for a wide range of applications for proximity and vicinity RFID systems.

The reader is configured by selecting the desired protocol in the control registers. Direct access to all control registers allows fine tuning of various reader parameters as needed.

TRF7960/61主要特性:

Completely Integrated Protocol Handling

Separate Internal High-PSRR Power Supplies for Analog, Digital, and PA Sections

Provide Noise Isolation for Superior Read Range and Reliability

Dual Receiver Inputs With AM and PM Demodulation to Minimize Communication Holes

Receiver AM and PM RSSI

Reader-to-Reader Anti-Collision

High Integration Reduces Total BOM and Board Area

Single External 13.56-MHz Crystal Oscillator

MCU-Selectable Clock-Frequency Output of RF, RF/2, or RF/4

Adjustable 20-mA, High-PSRR LDO for Powering External MCU

Easy to Use With High Flexibility

Auto-Configured Default Modes for Each Supported ISO Protocol

12 User-Programmable Registers

Selectable Receiver Gain and AGC

Programmable Output Power (100 mW or 200 mW)

Adjustable ASK Modulation Range (8% to 30%)

Built-In Receiver Band-Pass Filter With User-Selectable Corner Frequencies

Wide Operating Voltage Range of 2.7V to 5.5V

Ultra-Low-Power Modes

Power Down 1 μA

Standby 120 μA

详见:

http://www.ti.com/lit/ds/symlink/trf7960.pdf

6) Ultra-Low Quiescent System Power

The LM2840, LM2841 and LM2842 are PWM DC/DC buck (step-down) regulators. With a wide input range from 4.5V-42V, they are suitable for a wide range of applications such as power conditioning from unregulated sources. They feature a low R_DSON (0.9Ω typical) internal switch for maximum efficiency (85% typical). Operating frequency is fixed at 550 kHz (X version) and 1.25 MHz (Y version) allowing the use of small external components while still being able to have low output voltage ripple. Soft-start can be implemented using the shutdown pin with an external RC circuit allowing the user to tailor the soft-start time to a specific application.

The LM2840 is optimized for up to 100 mA, the LM2841 for 300 mA and the LM2842 is optimized for up to 600 mA load currents. They all have a 0.765V nominal feedback voltage.

Additional features include: thermal shutdown, V_IN under-voltage lockout, and gate drive under-voltage lockout. The LM2840, LM2841 and LM2842 are available in a low profile TSOT-6L package.

LM284x主要特性:
?
LM2840Q, LM2841Q and LM2842Q are Automotive Grade products that are AEC-Q100 grade 1 qualified (-40℃ to +125℃ operating junction temperature)
?
Input voltage range of 4.5V to 42V

Output current options of 100 mA, 300 mA and 600 mA
?
Feedback pin voltage of 0.765V
?
550 kHz (X) or 1.25 MHz (Y) switching frequency
?
Low shutdown I_Q, 16 μA typical
?
Short circuit protected
?
Internally compensated
?
Soft-start circuitry
?
Small overall solution size (TSOT-6L package)

详见:

http://www.national.com/ds/LM/LM2841.pdf

7) Motor Driver DRV8x

2A Low Voltage Dual Brushed DC or Single Bipolar Stepper Motor Driver (PWM Ctrl)

The DRV8833 provides a dual bridge motor driver solution for toys, printers, and other mechatronic applications.

The device has two H-bridge drivers, and can drive two DC brush motors, a bipolar stepper motor, solenoids, or other inductive loads.

The output driver block of each H-bridge consists of N-channel power MOSFET’s configured as an H-bridge to drive the motor windings. Each H-bridge includes circuitry to regulate or limit the winding current.

With proper PCB design, each H-bridge of the DRV8833 is capable of driving up to 1.5-A RMS (or DC) continuously, at 25℃ with a VM supply of 5 V. It can support peak currents of up to 2 A per bridge. Current capability is reduced slightly at lower VM voltages.

DRV8833主要特性:

Dual-H-Bridge Current-Control Motor Driver

Capable of Driving Two DC Motors or One Stepper Motor

Low MOSFET On-Resistance:

HS + LS 360 mΩ

Output Current 1.5-A RMS, 2-A Peak per H-Bridge

(at V_M = 5 V, 25℃)

Outputs Can Be Paralleled for 3-A RMS,

4-A Peak

Wide Power Supply Voltage Range:

2.7 V – 10.8 V

PWM Winding Current Regulation/Limiting

Thermally Enhanced Surface Mount Package

详见:

http://www.ti.com/lit/ds/symlink/drv8833.pdf

8) Temperature Sensor

The TMP105 is a two-wire, serial output temperature sensor available in a WCSP package. Requiring no external components, the TMP105 is capable of reading temperatures with a resolution of 0.0625°C.

The TMP105 features a Two-Wire interface that is SMBus-compatible, with the TMP105 allowing up to two devices on one bus. The TMP105 features an SMBus Alert function.

The TMP105 is ideal for extended temperature measurement in a variety of communication, computer, consumer, environmental, industrial, and instrumentation applications.

The TMP105 is specified for operation over a temperature range of –40℃ to +125℃.

TMP105主要特性:

? SUPPORTS 1.8V I2C? BUS

? TWO ADDRESSES

? DIGITAL OUTPUT: Two-Wire Serial Interface

? RESOLUTION: 9- to 12-Bits, User-Selectable

? ACCURACY:

– ±2.0℃ (max) from –25℃ to +85℃

– ±3.0℃ (max) from –40℃ to +125℃

? LOW QUIESCENT CURRENT:

50μA, 1.5μA Standby

? NO POWER-UP SEQUENCE REQUIRED, I2C PULLUPS CAN BE ENABLED PRIOR TO V+